REGION X
LL
LY
T
T AS
MIIDOU
II o li S' 0 ,
ENVIRONMENTAL
PROTECTION
AGENCY
SEATTLE, WASHINGTON
o
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EPA 910/8 - 75 - 093
July 1975
Water Quality Analysis of
The Upper/Middle Snake River
May 1973 - May 1974
UPPER SNAKE RIVER BASIN
REPORT
PREPARED BY:
Douglas Houck and
Ron Kreizenbeck
Surveillance and Analysis Division
E.P.A. REGION X
1200 Sixth Avenue
SEATTLE, WASHINGTON 98101
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This Document is Available in Limited Quantities Through
The U.S. Environmental Protection Agency, Region X,
Surveillance And Analysis Division, Seattle, Washington.
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A Working Paper presents results which are, to some
extent, limited or incomplete. Therefore, conclusions
or recommendations - - expressed or implied - - may be
tentative.
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TABLE OF CONTENTS
PAGE
List of Figures 5
Introduction 6
Findings and Conclusions 8
Basin Description 13
Methods 21
Results and Conclusions 25
A. Snake River Summary 25
B. American Falls Reservoir .... 33
C. Minidoka 47
D. Milner Reach 50
E. Brownlee Reservoir 55
Appendix A - Figures 60
Appendix B - Idaho Water Quality Standards . . . 113
Appendix C - Raw Data 120
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LIST OF FIGURES
1. Location map - Middle and Upper Snake Sub Basins
2. Location map - Middle Snake Sub Basin
3. Location map - Upper Snake Sub Basin
4. Percentage of Samples Showing D.O. violations
5. Monthly total phosphorus loading in pounds at
American Falls Reservoir
6. Termperature of American Falls Reservoir
7. Monthly nitrate loading in pounds at
American Falls Reservoir
8. Monthly Ammonia loading in pounds at
American Falls Reservoir
9. Monthly organic nitrogen loading in pounds
at American Falls Reservoir
10. Phytoplankton chlorophyll ji
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INTRODUCTION
Arising in the rugged Grand Teton Mountains of
Wyoming - the Snake River flows through Idaho, forms the
border between Oregon and Idaho and finally merges with
the Columbia River in south eastern Washington. Its volume
is increased along its journey, by many tributaries and
by groundwater flow. As the river flow is naturally in-
creased, man diminishes it through agricultural and indus-
trial use. Since agriculture and agricultural processing
are the main industries in the upper and central Snake Basin,
it is logical that these activities constitute the largest
contributors of wastes and thereby nutrients to the Snake
system's waters. Nutrient concentrations in excess of
natural levels result in extensive algal blooms which in
turn depress dissolved oxygen levels in the water. Furthermore,
aesthetic problems which are both unpleasant and undesirable
accompany such blooms.
On the basis of a study performed in the Snake River
Basin by the Federal Water Pollution Control Administration
(1) further investigation of the nutrient - algae interrelation-
ship was requested by EPA Region X, Seattle, Washington.
(1) U.S. Department of the Interior, "Water Quality
Control and Management, Snake River Basin," Federal Water
Pollution Control Administration, Portland, Oregon, 1968,489 pp,
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This study was an attempt to determine the behavior of
incoming nutrients in the upper Snake reservoir system and
to trace their flow through the upper and central Snake. One
possible destiny for this nutrient load is retention by one
of the reservoirs in the area: American Falls, Minidoka (also
known as Lake Walcott), Milner or Brownlee.
The objectives of the study undertaken from May, 1973 to
May, 1974, were therefore, 1) to establish a water quality
monitoring program to detect water quality standards violations
(See Appendix B for applicable Idaho State standards); 2) to
obtain data to show seasonal, point source and non-point source
variations: 3) to determine whether the American Falls, Minidoka,
Milner and Brownlee Reservoirs function as sinks for nutrients,
that is, to determine whether more nutrients flow into the reser-
voirs than are carried out of them; and 4) finally, to determine
the adequacy of a water quality monitoring program to fulfill
these objectives.
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FINDINGS AND CONCLUSIONS
1. American Falls Reservoir is an overall sink for
total phosphorus and nitrogen. For the study period, May
'73 - May '74, a mean reduction of 72% for total phosphorus
and 22% for total nitrogen in the American Falls Reservoir
reach of the Snake River was found.
2. Lake Walcott (Minidoka) acts as a "buffering"
system for American Falls Reservoir's discharge during
the irrigation season and a flow-through system for the
rest of the year.
3. Between the discharge of Minidoka Dam and the
discharge of Milner Dam, the Milner Reach, there was a mean
increase of 39% in total phosphorus and 9% in total nitrogen
during the sampling period.
4. Brownlee Reservoir, during the sampling period,
exhibited a 16% mean reduction in total phosphorus and a
mean increase of 53% in total nitrogen.
5. The State of Idaho water quality dissolved oxygen,
(D.O.), standards (see Appendix B) were violated at some
time during the sampling period at every station except
the Heise station and the Henry's Fork River Stations.
Table 1 presents the percentage of total samples detected
in violation at each of the stations.
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TABLE 1
P.O. VIOLATIONS - PERCENT OF TOTAL SAMPLES TAKEN
Snake @ Roberts 5.5% Milner 33.3%
Blackfoot River 26.3% Main Drain 43.0%
Snake @ Til den 10.5% Snake @ Mars ing 5.3%
Portneuf River 50% Boise River 40.0%
American Falls 5.3% Snake @ Weiser 5.3%
Minidoka 11.1% Brown lee 68.4%
6. The table below indicates the number of samples
(in percent) in violation of the State of Idaho fecal
coliform bacteria water quality standards for the total
sampling period at each station (in violation of Idaho
standards).
TABLE 2
FECAL COLIFORM VIOLATIONS - PERCENT OF TOTAL SAMPLES*
Blackfoot River 16.7% Milner 41.2%
Snake @ Til den 11.1% Main Drain 35.7%
Portneuf River 22.2%
7. The Main Drain violated the Water Quality Stan-
dards for pH on December 3, 1973.
8. The monitoring system constructed for this survey
reveals an accurate picture of the water quality in the Upper
Snake basin.
* NOTE: The coliform bacteria sampling area was
from Milner Dam to Heise.
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Recommendations
1. The Portneuf River should be intensively studied to
determine the source of the large amounts of nutrients in it.
2. The tributaries to the Snake River around the Boise
area, the Payette, Boise, Weiser, Malheur and Owyee Rivers;
should be examine further to determine the origin of large
amounts of phosphorus which were detected.
3. The stations listed as primary in the following table
should be monitored on a regular basis. These stations are most
important in showing major trends along the Snake River. They
are located in either the mainstem of the Snake or at the mouths
of major tributaries. For the most complete monitoring of this
basin, water should also be sampled regularly from the stations
listed as secondary in Table 3.
10
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TABLE 3
PRIMARY
STA. NO. STATION NAME
16 Sn. (3 Heise
17 H.F. 0 Rexburg
9 Portneuf River
8 Bl. American Falls
5 Bl. Milner
4 Sn. @ Marsing
3 Boise River
2 Sn. @ Weiser
1 Bl. Brownlee
TREND STATIONS
SECONDARY
STA. NO STATION NAME
22 Falls River
21 H.F. @ Ashton Res.
20 Teton River
19 H.F. Ab. St. Anthony
18 H.F. S. of Parker
15 Sn. 2 Mi. E. of Roberts
11 Spring Creek
12 ' McTucker Spring
14 Blackfoot River
7 Bl. Minidoka
6 Main Drain
BIASED
STA. NO. STATION NAME
10 Spr. @ Rowland's Dairy
13 Sn. @ Til den Bridge
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Station No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
TABLE 4
STATION IDENTIFICATION
Storet Sta. No.
403004 :
153004 :
153005 1
153003 :
153001
150057 1
150032 !
153357 !
150038
153287 !
153292 :
153281
150047 :
150048 1
153299 :
153360 :
153359 1
153358 1
153355 1
153156
153361 \
153356 1
Station Name
Snake River Bl Brownlee Dam
Snake River at Weiser Idaho
Boise River West of Parma Idaho
Snake River at Marsing Idaho
Lake Milner at Milner Dam
Main Drain @ 950 West Road
Snake R. BLW Minidoka Dam
Snake R. BLW American Falls Dam
Portneuf R at Siphon Rd Br
Spring @ Rowland's Dairy - Pocatello
Spring Creek at Bronco Rd.
McTucker Spring
Snake R. at Til den Bridge
Blackfoot R. at Mouth
Snake River 2 mi. E. of Roberts
Snake River Near Heise
Henrys Fork at Rexburg
Henry's Fork South of
Henry's Fork Above St Anthony
Teton R. N. of Newdale
Henry's Fork At Ashton Reservoir
Falls River NR Mouth
12
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BROWNLEE
RESERVOIR
Figure 2. Middle Snake Subbasin Monitor!no Stations
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HENRY' S 19
FORK 18
IT
15
16 _
SNAKE R.
PALISADES
RESERVOIR
AMERICAN FALLS RESERVOIR
BLACKFOOT R.
LAKE WALCOTT
PORTNEUF R.
MILNER RESERVOIR
Figure 3. Upper Snake Subbasin Monitorina Stations
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MIDDLE SNAKE / UPPER SNAKE
N-
Scale of Miles
N
St.
UPPER SNAKE SUBBASIN
IDAHO FALLS]
MIDDLE SNAKE SUBBASIN
\POCATELLO
'TWIN FALLS BuTley
Finure 1. Middle and Upper Snake Subbasins
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BASIN DESCRIPTION
The headwaters of the Snake River are located in Yellow-
stone National Park. In Wyoming, the river is augmented by
inflows from the Buffalo Fork, Gros Ventre, Hoback, Greys and
Salt Rivers. Entering the Snake River Valley near Idaho Falls,
the Henry's Fork joins the Snake which then begins its crescent-
shaped course through the southern part of Idaho. Throughout
much of its course in the upper valley, the river approximately
parallels the southern edge of lava flows which cover a large
portion of the Snake River Plain. The average stream gradient
of the Upper Snake subregion is approximately 10 feet per mile.
There are several falls along its course, the highest of which is
200-foot Shoshone Falls near Twin Falls, Idaho.
The principal contribution to stream flow in this section
of the Snake is snowmelt during the spring and early summer
months. Precipitation is light on the semi-arid valley floor
and occurs mostly during the winter.
The greatest use of water is irrigation, though water is
also used for hydroelectric power generation, municipal and
industrial purposes and recreation. Irrigation began in this
region over one hundred years ago, and has increased until now
nearly 2 million acres are irrigated -- almost one-third of
the irrigated land in the entire Columbia-North Pacific Region.
The average discharge from the Upper Snake subregion is
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estimated to be 8,590 cubic feet per second (cfs). It is
estimated that the average withdraw! for consumptive uses is
17,600 cfs or 205 percent of the average discharge from the
subregion. Of this 17,600 cfs, approximately 99 percent is
withdrawn for irrigation. The small remaining withdrawals are
made primarily for municipal supplies and for self-contained
industrial uses.
Primary goals of streamflow management within the
subregion are sufficient supply for various users and pre-
vention of flood-caused damage. There are nine impoundments on
the main stem of the Snake River above Milner Dam and in the
Henry's Fork Basin which are integrated into a system operation.
Power is generated from the releases at four of the reservoirs.
In general, the reservoir operation pattern is one of storage of
excess natural streamflow during the winter and spring months,
then release of storage to augment natural flows during the
summer irrigation season. Sufficient storage capacity is now
available to control the Snake River so that no excess flows will
pass Milner Dam.
The basins and plains are underlaid chiefly by alluvial
deposits and younger basaltic volcanic rocks. Precipitation
is generally less than 10 inches per year and recharge of the
Snake Plain aquifer from precipitation is minor. Host of the
recharge is by infiltration of surface runoff generated on per-
17
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ipheral mountains and highlands. Prior to extensive irrigation,
recharge was mainly from influent seepage from short creeks ter-
minating in the alluvium at the base of mountains and from the
Snake River, Teton River and Henry's Fork. After settlement of
the area, seepage from irrigation became a very important source of
recharge to the Snake River Plain and peripheral basins. Leakage
from hundreds of canals and farm laterals and seepage from irriga-
tion farms have greatly augmented flow into the underlying aquifers.
The aquifers underlying all peripheral basins, except those basins
downstream from Milner Dam on the south side of the Snake River
discharge into the Snake Plain aquifer; much of the surface discharge
from the same basins also becomes recharge to the aquifer. Dis-
charge from the Snake Plain aquifer is into the Snake River in
two reaches; the American Falls Reservoir reach and the Hagerman
Valley reach. During the decade 1951-1960 the aquifer discharged
an average of about 2000 and 6,500 cfs into the respective reaches.
All of the water discharging into the American Falls Reservois
reach is rediverted for irrigation and constitutes a portion of
the 6,500 cfs discharging in the Hagerman Valley reach.
The average annual discharge of the Middle Snake sub-
region is 16,338 cfs. This show an increase of 7,748 cfs within
the subregion. There is an average annual withdrawal of 8,410 cfs
of which approximately 97 percent is used for irrigation. The
flows discharged from this subregion are largely controlled through
the operation of Brownlee Reservoir which has approximately 1
million acre-feet of active storage capacity. Recharge in the
18
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valleys and basins is partly from lateral groundwater inflows
and precipitation, but. chiefly from irrigation. Surface inflow
within the subregion is comprised mainly of the Boise, Payette,
Weiser, Owhyee and Malheur Rivers. The contribution from ground-
water to the Snake River is minimal. The tributary streams
east of the Snake River provide the major runoff volume within
the subregion due to the larger amounts of mountainous terrain
and greater snow accumulation in their drainage basins.
19
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20
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METHODS:
The 22 stations on the Snake River and its tributaries from
Heise (downstream from Palisades Reservoir), River Mile (R.M,)
858, to below Brownlee Dam, R.M. 285, were sampled bi-weekly from
June through February and for the remainder of the year monthly
samples were taken.
Flow measurements at most stations were obtained by recording
the stage height at the time of sampling which was then converted
into flow rates through the use of current rating tables pro-
vided by contract with the U.S.G.S. Flow measurements from
the reservoirs were obtained from daily mean flow records pro-
vided by the particular regulating agency of the dam.
Field measurements for Dissolved Oxygen were made by the
modified Ninkler Azide method. The pH and conductivity analysis
were made on site using calibrated meters. Alkalinity was determined
by titration with a standard solution of ^$04 to the two equi-
valence points indicated by color change. Nutrient determin-
ations for N02, N&j, total phosphorus and ortho-phosphorus
were conducted in the Seattle Regional Laboratory on a Tech-
nician Autoanalyzer. Total kjeldahl determinations were
made using standard techniques. Samples were preserved in the
field with a 1:1 H2S04 solution, iced, and shipped by air to the
laboratory at the end of each sampling day. Organic Nitrogen is
determined by subtracting ammonia determinations from total Kjeldahl
determinations.
21.
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Heavy metal samples were preserved with 25 ml/1 HN03
analyzed at the laboratory by atomic absorption spectrophoto-
metry.
Phytoplankton chlorophyll a^ determinations in each reser-
voir were obtained by filtering 100 ml samples on a 0.045 micron
mi Hi pore filter and immediate freezing with dry ice, then
shipping them to the laboratory for spectrophotometric analysis.
Periphyton chlorophyll .a in flowing waters was collected by
exposing aritificial substrates (glass microscope slides mounted
in partially submerged wood frames). The slides were removed
from the frames at each visit to the sites, preserved, shipped
and analyzed in the same method as the phytoplankton chloro-
phyll a_.
Pesticide samples were obtained for two periods during the
study on both whole water and sediment at each station. The
sampling was conducted during low flow in the fall and immediately
following high flows in the spring. Whole water samples were
taken in glass jars with teflon lids and preserved with 2 ml of
acetone. They were shipped to the lab and analyzed using a
gas chromatagraph equipped with an electron capture detector.
Some conformations were run using a GC Mass Spectrometer.
A "mass balance" technique was employed to determine how the
reservoirs influenced water quality, This procedure views the
reservoir as a total system and considers only the inflow and
outflow. By running a mass balance one can determine whether
22
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a certain reach or reservoir acts as a "sink", a "source", or a
"flow-through-system". If the reach acts as a "source" then more
nutrients are leaving the reach than are known to enter it. When
a reservoir acted as a "source" the percentage difference between
the amount of nutrients going out compared with that coming in
was given as a "percent increase". If the reach acts as a "sink"
then fewer nutrients are leaving the reach then were known to
flow in. When a reservoir acted as a "sink" the percentage differ-
ence between the amount of nutrients coming in compared to that
going out was given as a "percent reduction". The bi-weekly
loadings or amount of nutrients determined during a single month
were averaged together to give a mean monthly loading in Ibs/day.
This was then multiplied by the number of days in that particular
month to give a monthly loading in pounds. If for any reason some
data was missing for a particular sampling date from any of the
stations being considered then that sampling date was not in-
cluded in the mass balance). Therefore, because the Main Drain
was frozen over for both sampling dates during the month of Jan-
uary no balance was performed for the whole month for the
Milner Reach. This also explains the omission of the data from
May, 1973.
The three time periods, Jun-Sep, Oct-Jan, Feb-May, were
chosen because the reservoirs seemed to undergo three distinct
phases during the one year sampling period. The first one, Jun-
Sep, coincides with the irrigation season. The second time period
23
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Oct-Jan, coincided with the low flow period and for the Milner
Reach with the Amalgamated sugar processing season. The third
period, Feb-May, coincided with the high flow season and also
the time when only one sample per month was taken. These two
factors probably resulted in a lowering of the accuracy of the
mass balance during this time period.
24
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SNAKE RIVER SUMMARY
The Snake River begins as a river of high water quality and
metamorphoses into a river of high nutrient and pesticide levels
and low dissolved oxygen level by the tine it leaves Brownlee
Dam. Total phosphorus, nitrate-nitrogen, and total Kjeldahl
nitrogen increased 830, 303, and 592 percent (see Table 5)•
Notable levels of BHC (hexachloracyclohexane), were found at
the upstream station at Heise; however, at the downstream station
at Brownlee Dam notable levels of several pesticides (DDT,DDE,
Dieldrin, and BHC) were found. The station with the highest pesticide
level was the Boise River west of Parma.
An analysis for the pesticide content of fish taken from the
Boise River was completed in July 197^- The fish were removed
from the river at the Broadway Bridge in Boise and at the town of
Notus. Results of the analysis show DDT and its metabolities DDE
and ODD (DDT) present in all samples. (See Table f) All the fish
except one from the Notus area contained DDT concentrations ranging
from 1.1 to 1.8 ppm. The exceptional fish had only ^.^fl opm PHT.
The Boise area fish had only a fraction of the DDT concentrations
noted in the Notus fish. They, again with only one exception, had
DDT concentrations in the neighborhood of 0.25 ppm. The exception
had only 0.05 ppm. These data indicate a substantial input of DDT
into the area between Boise and Notus. Additionally, pesticides
were found in the water including DDT,ODD,DDE,diel drin,endrin, and
1indane.
25
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TABLE 5
PARAMETER
PERIOD
HEISE
ROBERTS
WEISER
BROWNLEE
T.P. Jun-Scp
(Ibs/day) Oct-Jan
Feb-May
Weighted Annual
Average
T.N. Jun-Sep
(Ibs/day) Oct-Jan
Feb-May
Weighted Annual
Average
N03 Jun-Scp
(Ibs/day) Oct-Jnn
Feb-May
Weighted Annual
1^0 Average
T.KJEL Jun-Sep
(Ibs/day) Oct-Jan
Feb-May
Weighted Annual
Average
FLOW Jun-Sep
(cfs) Oct-Jan
Feb-May
Weighted Annual
Average
3057
86
1492
1387
18171
3162
13524
13296
2604
900
7928
4160
15567
2250
6701
9422
10483
1587.
8636
7553
2620
761
5200
2179
25536
10570
29941
19566
5018
4076
15515
6719
20518
6382
14257
12757
10325
4147
15531
8407
1339
893
7111
2475
10005
11597
18861
•
18627
1758
4592
13964
5953
8247
6969
22239
12608
3876
3309
11972
6193
6149
1298
6704
5031
44477
14533
60425
44734
9633
7422
18416
15692
34741
•6994
41584
,.28743
9489
2403
15716
9225
3448
1398
7586
4224
23641
12650
57534
32957
5027
6647
13723
11372
18489
5893
43384
21352
7694
2538
15784
8596
4609
1967
10195
5635
28189
18127
57636
39586
5906
7696
12744
12303
22327
10257
44892
27142
8286
2679
15226
8696
2720
4865
13552
6288
46712
119885
158929
105420
21978
83070
72004
58476
24697
36234
86103
47551
6806
13447
25350
14555
9345
13212
22589
15159
79080
113671
151850
121590
20406
58938
72608
48763
58764
56106
78704
73251
11772
15887
33200
19631
3959
12617
21229
il891
52814
200973
270020
158304
22837
119411
134636
82805
26443
79650
;26143
.
72347
13093
23600
46257
. 26530
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INi
TABLE 6
DDT IN BOISE RIVER
FISH SAMPLES
July 1974
Station/Sample Date
Collected
ppDDE
ppDDD
ppDDT
DDT
ugm/g
Bass - Boise R. at Notus
Bass - Boise R, at B.Br
Squawfish - Boise R. at
Notus
Channel catfish
Boise R. at Notus
Chizel mouth fish
Boise R. at Notus
Whitefish at Broadway
Br. Boise R.
Suckers - Boise R. at
Notus
Carp - Boise R. at Notus
Suckers - Boise R. at
7-25-74
7-23-74
7-25-74
7-25-74
7-25-74
7-23-74
7-25-74
7-25-74
7-23-74
0.287
0.237
1.091
0.665
0.835
0.133
0.943
1.017
0.050
0.067
0.018
0.217
0.283
0.295
0.022
0.629
0.260
_
0.131
0.010
-
0.270
-
0.057
0.230
-
_
0.485
0.265
1.308
1.218
1.130
0.212
1.802
1.277
0.050
Broadway Br.
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There are four locations along the Snake where major
increases in the nutrient content of the water have been
located. These are the reach between Tilden Bridge and
the American Falls dam, the Marsing station, the Weiser
station and the Brownlee Reservoir. Of these, the greatest
total increases were found at the first location. Here,
total phosphorus increased by 140%, nitrate-nitrogen by 179%
and total kjeldahl by 150% while the flow increased only 51%.
The source of the nitrate-nitrogen is the groundwater flow-
ing into the American Falls Reservoir. The Portneuf River
is the main source of the increase in total phosphorus and
total kjeldahl.
The largest increase in nitrate-nitrogen alone was found at
Marsing. Here, it increased 351% with no real increase in
total kjeldahl. The source of this nitrate is probably the
groundwater flowing into the Snake above Marsing in the Thou-
sand Springs area.
An increase of 135% of the total phosnhorus at Vp.iser rivals the
largest total phosphorus increase at the Tilden Bridge - American
Falls reach. There is no significant increase in total nitrogen
here. The main sources of this phosphorus increase are the Snake
tributaries between Marsing and Weiser.
An increase in nitrate-nitrogen without an accompanying
increase of total kjeldahl nitrogen is found at the fourth site.
Normally, this would be attributed to groundwater flowing into
28
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the reservior. However, since there is no appreciable inflow
to Brownlee Reservoir, it may be assumed this increase comes
from blue-green algae fixing nitrogen from the air in the water.
This nitrogen fixation appears to occur mainly in the late fall.
All of the waters studied; reservoirs, The Snake River and
its tributaries, except the Portneuf River, are classified as
Class A2 waters. The Portneuf River, from the mouth of Marsh
Creek to the confluence with the Snake, is classified as a Class
B water.
The State of Idaho water quality D.O. standards were violated
at one time or another during the sampling period at every
station with the exception of the Heise station and those in the
HenrysFork£ Basin. See Appendix B for copy of applicable stan-
dards. Table 1 presents the percentage of the total samples
taken in violation for each station. As can be seen from this
table and figure 4, the D.O. standards are violated at Brownlee
Dam throughout most of the year. The Snake, except for Brownlee
and the Milner Reach during the winter, has a minimal dissolved
oxygen problem. Many of the tributaries studied have D.O. problems,
the Portneuf River has the largest problem. The Portneuf River
also has a fecal coliform bacteria problem as do the Milner Reach
and the Main Drain.
29
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100
co
o
D
0
V
T
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L
A
rn
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90 !
80_!_
TO i
601
50 i
CO
8
o
100
200
K M M
CO CO CO
1-1 M K
K o -y;
P= PI "C
in K
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-------
An overall review of the upper Snake River reveals the
main problem areas: (1) American Falls Reservoir, with the
Portneuf River the primary nutrient contributor: (?) Brownlee
Reservoir, with the Owyee, Malheur, Boise or Weiser River,
singly or in some combination improving alnae growth conditions
by increasing the amount of phosphorus so much that blue-green
algea within Brownlee Reservoir can fix large amounts of nitro-
gen from the air: (3) Milner Reach, where problems occur mainly
from October through January during the full industrial production
period.
Other areas of interest are: (l) the Henry's Fork, which adds
significant amounts of phosphorus, nitrate-nitrogen and small amounts
of DDE, ODD, and BHC: (2) the spring at Rowlands Dairy, which has
unusually high levels of ammonia-nitrogen, total phosphorus and
dissolved ortho-phosphorus: (3) the Snake at Marsing, which has very
high levels of nitrate-nitrogen which probably comes from groundwater
inflow in the 1000 Springs area; (4) the Boise River, which has high
levels of phosphorus, nitrogen and Desticides.
31
-------
32
-------
RESULTS AND DISCUSSION
American Falls Reservoir
American Falls Reservoir is a long, 23 miles, shallow,
15-30 feet, impoundment that is created by American Falls
Dam. The reservoir has an active storage capacity of 1,700,000
acre-feet and its primary purposes are irrigation and power.
Water is discharged from the reservoir from spillways located
at the top of the dam and penstocks located at the bottom of the
dam.
At the American Falls Reservoir, three sources from which
nutrients could enter the reservoir were considered. Sampler,
were taken just below the dam to determine the amount of nutri-
ents leaving the reservoir. The three incoming sources for
nutrients were the Snake River, sampled at Tilden Bridge (station
13); the Portneuf River, sampled at the Siphon Road Bridge (sta-
tion 9); and groundwater sampled at a spring at Rowland's Dairy
(station 10), Spring Creek at Bronco Road (station 11) and
McTucker Spring (station 12). The flow for the Snake River
was determined by the U.S.G.S. gauge station, Snake River
near Blackfoot, which lies 0.3 miles downstream from Tilden
Bridge. The bridge itself is only one half mile downstream
from the Blackfoot River. The flow for the Portneuf River was
determined by U.S.G.S. and by comparing the previous year's
flow records. The flow from the groundwater sources is approx-
imately 2000 cubic feet per second. This flow is considered
33
-------
constant throughout the year. By the use of Water-Supply
Paper 1654, Plate 4, Contours on the Water and Flow Net of
the Snake Plain Aquifer, Idaho, and by personal communication
with Art Larson, it was determined that two-thirds,1333 cfs ,
came from the S.E. section of the reservoir. To determine
the amount of nutrients that groundwater from the N.E. section
of the reservoir contributed, the concentrations from sampling
stations 11 and 12 were averaged together. This mean value was
then used with the 1333 cfs to determine the amount of nutrients
from the N.E. section. To determine the amount of nutrients
coming from the S.E. section, only one station, spring at
Rowland's Dairy, (Station 10) was used.
American Falls Reservoir was undergoing a severe drawdown dur-
ing the summer that it was sampled. The normal operating capacity
of the reservoir was reduced by two-thirds because the structural
safety of the dam was in doubt. The drawdown began in mid-Hay
and by the latter part of June, the level of the reservoir was
sinking at a greater rate. The drawdown lasted until September 25,
by which time the storage capacity had dropped from approximately
1,100,000 acre-feet to 43,580 acre-feet. The drawdown was so
severe that when an intensive survey was done on the reservoir
in late August, the length of the reservoir had in fact, dim-
inished from 23 to 14 miles.
As can be seen from figure 5, the reservoir acts as a large
sink for total phosphorus from October through June. During
34
-------
the months of July, August and September, however, it functions
as a source, for there is an increase in total phosphorus of 177
percent. One reason for this large total phosphorus increase
could be the severe drawdown of the reservoir with resultant scour-
ing action on the bottom of the reservoir. This scouring resulted
in increased turbidity and reduced secchi disk readings of water
clarity from the June twentieth reading of 52 inches to a reading
of eight inches by September 25. It has also been shown that the
greater the water temperature, the slower the deposition rate for
phosphorus. (2) This means that phosphorus would travel farther
down the reservoir before it settles out. Not only was the length
of the reservoir reduced by 10 miles during this time but the temp-
erature of the water was at its highest levels (See figure 6 ).
Referring to table 7 below, it can be seen that the phosphorus percent-
age reduction varies considerably, from a reduction of 347 percent
during the October through January period to an increase of 33 per-
cent during the irrigation season. Looking at the sampling period
as a whole, there is a weighted annual average reduction in total
phosphorus within the reservoir. Most of this phosphorus has become
part of the reservoir sediment. The majority of the phosphorus
entering American Falls Reservoir is not contributed by the Snake
River as might be expected (See Table 8). Although the Snake River
contributed 74% of the total flow into the reservoir during the sam-
(2) Environmental Protection Agency, "Nutrient Management in
the Potomac Estuary, " Chesapeake Technical Support Laboratory,
p. 25.
35
-------
-4-eiziZtztzH—
CO
CTl
o
N
M
V
T
O
T
*- lEBazco—f—
B
3
12252
-I h
-1 1 h
H 1 1
OUN JUU /MJQ SET3 CXTT NCfs/ DEC JAN FEB MAR APR MAV JUN
MONTH
-------
D
E.
<3
C
E
N
r
IIZLJ-
SET3 OCT NCTV DEC JAN IFE3 rnAR APFZ I^AY JU
.V JUN OTltL- A1JS SE.T3 OCT N(±N/ DEC OT>
T I n E.
JUN
Figure 6. Temperature at American Falls Reservoir
-------
to
oo
PERCENT REDUCTION*
June-September
October-January
February-May
** Weighted Annual
Average
PERCENT INCREASE*
June-September
October-January
February-May
Weighted Annual
Average
TABLE 7
AMERICAN FALLS NUTRIENT CONTENT CHANGE
Total Phosphorus
-25%
347%
97%
Total Nitrogen
-32%
195%
24%
Nitrate
153%
271%
152%
Anmonia
-269%
73%
41%
72%
Organic Nitrogen
131%
38%
36%
56%
22%
182%
7%
-------
Percent reduction as used here expresses the fact that there
has been a reduction in the amount of nutrients
between that amount entering the reservoir to that
amount leaving.
Percent increase as used here indicates that the amount of
nutrients leaving the reservoir was greater than the
amount entering.
** Weighted Annual Average - is computed by taking the mean over
the whole sampling period, June '73 - May '74, and not
by taking the mean of the three separate periods.
39
-------
TABLE 8
AMERICAN FALLS RESERVOIR SOURCES OF TOTAL PHOSPHORUS
AND PERCENT OF INCOMING FLOW
June-September
Snake River
Portneuf
Ground Water
TOTAL
S.E. Springs
N.E. Springs
Total Phosphorus
33%
27%
40%
100%
33%
7%
Flow
65%
6%
29%
100%
10%
19%
October-January
Total Phosphorus
15%
40%
45%
100%
40%
5%
Flow
72%
7%
21%
100%
7%
14%
February- May
Total Phosphorus
51%
17%
32%
100%
25%
7%
Weighted Annual Average
Flow
79%
6%
15%
100%
5%
10%
Total Phosphorus
37%
26%
37%
100%
31%
6%
Flow
74%
6%
20%
100%
7%
13%
-------
pi ing period, June '73 - May '74, it contributed only 37% of
the phosphorus entering the reservoir during the same period (See
Table 8). The combined contribution of the Portneuf River and the
groundwater coming from the south eastern, Pocatello area of the
reservoir was 57% of the total phosphorus with only 13% of the
total flow. The period of greatest contribution from these two
sources was October through January,, During this period they each
contributed 40 percent of all the phosphorus and when combined, only
14 percent of the total flow. It is unusual for groundwater to
be as high in phosphorus as was found at station 10. The spring
also had high ammonia levels but only traces of organic nitrogen.
It seems likely that the ground water in this area is being contam-
inated from the Food & Manufacturing Corporation (F.M.C.) and the
J.R. Simplot phosphate reduction and fertilizer plants which are
located just one half mile from the Rowland's Dairy spring. The
phosphorus may come from either plant, the ammonia comes from the
J.R. Simplot plant where natural gas and steam are used to form
ammonia.
It can be seen from Table 8 that the Snake River's greatest
contribution of phosphorus was during the high flow months of Feb-.
uary through May and that its smallest percent contribution was during
the flow months of October through January.
41
-------
American Falls Reservoir acts as an even larger sink for
nitrate-nitrogen (See Figure 6). By the end of the sampling
period there was a reduction of 6,703,491 pounds of nitrate-
nitrogen within the reservoir. It appears that over half of
this nitrate-nitrogen was changed into organic nitrogen compounds
associated with biological activity. This explains the weighted
annual average percent increase of 56 percent of organic nitro-
gen. The periods of greatest biological activity were during
the months of March, May, July, and August. By comparing the
monthly ammonia mass balance graph, Figure 7 with the ornenic nitro-
gen graph, Figure 8, it can be seen that when the amount of
organic nitrogen decreases significantly, i.e. during September
and April, the amount of ammonia increases significantly,, The
use of the two graphs together can help one follow the cycling of
these two nutrients by biological activity within the reservoir.
Most of the nitrate-nitrogen entering the reservoir comes
from the groundwater which contributed a weighted annual average
of 64 percent while contributing only 20 percent of the total
incoming flow. (See Table 9)
Although the Portneuf River contributed only 15 percent of the
weighted annual mean as compared to the Snake's 21 percent, it
contributes only 6 percent of the total flow while the Snake
River contributes 74 percent.
42
-------
CO
MAV JUN
AUO SEP OCT NOV DEC JAN F^EQ MAR AT=R MAV JUN
MONTH
Figure 7. Monthly nitrate loading in pounds at American Falls Reservoir
-------
MAY JUN JLJL. AUQ SEP OCT NOV 1DED JAN FEB MAR APR
OUN
MONTH
-------
O
N
T
H
o
R
O
01
1 1 1 h
-\ 1 1 \-
•\ 1
OTJN JT-ft- ALJO SEP1 OCT NOV DEC JAN F~ES MAR APR MAV JUN
I-lONTH
Figure 9. Monthly organic nitrogen loading in pounds at American Falls
Reservoir
-------
TABLE 9
AMERICAN FALLS RESERVOIR SOURCES OF NITRATE AND PERCENT
OF INCOMING FLOW
June-September October-January February-May Weighted Annual Average
Snake River
Portneuf River
Ground Water
TOTAL
S.E. Springs
N.E. Springs
Nitrate
9%
13%
78%
100%
31%
47%
Flow
65%
6%
29%
100%
10%
19%
Nitrate
15%
19%
64%
100%
29%
35%
Flow
72%
7%
21%
100%
7%
14%
Nitrate
33%
13%
54%
100%
28%
26%
Flow
79%
6%
15%
100%
5%
10%
Nitrate
21%
15%
64%
100%
29%
35%
Flow
74%
6%
20%
100%
7%
13%
-------
MINIDOKA
Lake Walcott, which is formed by Minidoka Dam, stretches
for approximately twenty-four miles and has an active storage
of 95,000 acre-feet. The level of Lake Walcott is kept fairly
constant as the lake is not exclusively used for irrigation and
power but is also a wildlife refuge. The discharge from Amer-
ican Falls Reservoir (Station 8) was used to determine the amount
of incoming nutrients; and the discharge below Minidoka Dam
(Station 7) to determine the amount of nutrients leaving Lake
Walcott. The distance between the two sampling stations is
41 miles with an elevation drop of only 200 feet or a gradient
of 4.9 feet per mile. Between the American Falls and Minidoka
Dam there are no significant point sources of pollution.
Lake Walcott is a buffering system for the discharge from
American Falls Reservoir. It reduced the relatively large
amounts of total phosphorus and ammonia-nitrogen coming from
American Falls Reservoir during the irrigation season by 76
and 496 percent respectively. It reduced the large amount of
nitrate-nitrogen released by American Falls Reservoir by 176
percent when it turned over in September. The Lake also
reduced the amount of organic nitrogen that was discharged in
August by 145 percent. When the levels of phosphorus and
nitrogen discharged from the American Falls Dam are signifi-
cantly reduced during the October-January period, Lake Halcott
acts as a flow-through system. During this time the difference
between the amount of phosphorus and nitroaen entering Lake
47
-------
Walcott and the amount leaving is negligible except for
nitrate-nitrogen. The difference between organic nitrogen
contents of the influent and effluent waters during this period
isn't very large either. It is interesting to note that both
nitrate-nitrogen and ammonia-nitrogen are reduced significantly
within Lake Walcott. Aimionia-nitrogen is usually either oxi-
dized to form nitrate-nitrogen or utilized as a source of energy
for biological activity and changed to organic-nitrogen. Nitrate-
nitrogen is generally reduced by either dentrification to ammonia
or elemental nitrogen or utilization as a source of energy for bio-
logical activity which converts it to organic nitrogen compounds.
Since the increase of organic nitrogen compounds over the sampling
period is only six percent, one is led to believe that a large
percentage of the 29 percent of total nitrogen reduced is changed
to elemental nitrogen. During the sampling period as a whole the
difference between the amounts of phosphorus and organic nitrogen
entering and leaving Lake Walcott is small. The weighted annual
average percentage reduction of phosphorus was 17 percent and the
percentage increase of organic nitrogen was just six percent with
a total nitrogen reduction of 29 percent.
48
-------
TABLE 10
MINIDOKA (LAKE HALCOTT)
r
PERCENT REDUCTION
Total Phosphorus
June-September 76%
October-January -6%
February-May -12%
Weighted Annual
Average 17% 29% 59% 161% 6%
UTRIENT CONTENT
Total Nitrogen
87%
13%
3%
CHANGES
Nitrate
172%
6%
34%
Ammonia
496%
-4%
84%
PERCENT INCREASE
ORGANIC NITROGEN
-40%
-20%
22%
-------
MILNER REACH
Milner Reach, as used in this report, extends along the
Snake River from Milner to Minidoka Darn, a distance of 37 miles.
From spillway to spillway there is an elevation difference of
only 61 feet. This gives a gradient of 1.65 feet per mile. Along
this reach four municipalities - Rupert, Burley, Heyburn, Paul and
five industries - Ore-Ida, J.R. Simplot, Amalgamated Sugar, A&P
Food, Bryant's Meat Packing Company, discharge into the Snake. The
Paul sewage treatment plant and Amalgamated Sugar discharge only to
the Main Drain an industrial-agricultural wasteway, while the
city of Rupert's STP has an overflow discharge into the Main Drain.
The Main Drain then discharges into Milner Lake. A&P Foods and Ore-
Ida Foods have a variable discharge throughout the year and Amal-
gamated Sugar operates only in the fall and winter.
The discharge from Minidoka Dam (Station 7) and the Main
Drain (Station 6) were used to compute the incoming loads and the
discharge from Milner Lake (Station 5) was used to compute the
outgoing loads. During the irrigation season the flow through
Milner Dam was so slight, representative samples from the irri-
gation canals and the flow through the canals were used to
compute the outgoing loads. The flow through the Main Drain was
estimated at 16 cubic feet per second and considered constant
throughout the year. It should be pointed out that no computations
were made for the month of January because the Main Drain was frozen.
The Milner Reach was the only reservoir studied that showed
increases of both phosphorus and nitrogen between the two sampling
50
-------
points. The.percentage increase of total phosphorus was
fairly constant throughout the year varying only from 38
to 44 percent with a weighted annual average percentage in-
crease of 39 percent. The highest percentage increase for
both phosphorus and nitrogen occured during the months of
October through January. It is interesting to note that
Amalgamated Sugar was operating only during those months.
Amalgamated Sugar discharges into the Main Drain whose per-
centage contribution to the Milner Reach total phosphorus
content increased from 0.6% to 5.4% during this same time
span. Concurrent with the cessation of the autumn refining
campaign, the percent increase of phosphorus declined to
38 percent and the percent contribution to the Milner Reach of
total phosphorus by the Main Drain dropped to 0.6 percent.
The data gathered on coliform bacteria, total and fecal,
from the Main Drain also correlates with the Amalgamated Sugar
processing period. Fecal coliform counts went from less than
ten per milliliter (ml.) in September to 8,000 per ml. in
October and up to too many to count (TKTC) by December.
Total coliform counts acted in much the same way. They
went from less than ten per ml. in September to greater
than 80,000 per ml. in October. By the end of February the
fecal coliforms had dropped to 300 per ml. and the total
coliform to 3,800 per ml. (See Table 17).
51
-------
en
r\j
TABLE 11
FECAL COLIFORM COUNTS AT VARIOUS STATIONS
DATE
5/16/73
6/6/73
6/21/73
7/3/73
7/19/73
8/1/73
9/11/73
9/24/73
10/18/73
10/29/73
11/15/73
12/3/73
12/20/73
1/7/74
1/24/74
2/4/74
2/28/74
3/11/74
4/11/74
5/10/74
Snake @ Til den
140
420
400
800
130
150
600
250
30
290
260
10K
150
260
10K
240
40
10K
Blackfoot River
800
20
140
210
620
620
170
200
200
10K
110
10K
100
10K
10K
80
10K
10K
Portneuf River
17,000
10K
300
520
2,200
1,600
180
1,400
10K
90
10K
10K
TOOK
10
10K
80
20
90
Milner
10K
30
10K
10K
10K
140
1,400
800
600
5,000
100K
7,200
7,200
50
80
240
550
Main Drain
10K
10K
300
650
10K
10K
8,000
4,500
10K
TMTC
300
440
20
10K
-------
The nitrogen levels in the Milner Reach increased more
dramatically than did the phosphorus levels during the months
of October through January. They ranged from a 27 percent in-
crease to a 47 percent increase in total nitrogen. (See Table 12),
Although the contribution of nitrate-nitrogen from the Main Drain
decreased during these months, its percentage contributions of
both ammonia-nitrogen and organic nitrogen increased. It should
be remembered that the loadings from the Main Drain were used
to compute part of the incoming loads of Milner Reach. Therefore,
the increases of phosphorus and nitrogen come from other sources
along the Milner Reach. Phosphorus is the only nutrient that
has a significant increase for the sampling period since the
weighted annual percent increase for total nitrogen was only
nine percent, too low to be considered significant.
53
-------
TABLE 12
MILNER REACH
NUTRIENT CONTENT CHANGES
PERCENT INCREASE
June-September
October-January
February- May
Weighted Annual
en .
•p=> Average
PERCENT CONTRIBUTION
June-September
October- Januaryo
February-May
Total Phosphorus
41%
44%
38%
39%
OF MAIN DRAIN
Total Phosphorus
0.6%
5.4%
0.6%
Total Nitrogen
27%
44%
-4%
9%
Nitrate Total
2.6%
1.4% 1
2.6%
Nitrate
.38%
72%
24%
39%
Kjeldahl
0.4%
1.7%
0.7%
Total Kjeldahl Organi
27%
62%
-47%
9%
Organic Nitrogen
0.4%
8.9%
0.5%
c Nitrogen
29%
62%
-7%
8%
Ammonia
1.9%
24.0%
3.2%
Ammonia
-4%
65%
27%
30%
Flow
0.2%
0.6%
0.1%
-------
Brownlee Reservoir
Brown!ee Reservoir varies from the other reservoirs stud-
ied because there is a decrease in total phosphorus but an in-
crease in the amount of total nitrogen within the reservoir
(See Table 13). The sampling stations used to compute the
loadings for the mass balance were the Snake River at Weiser
(Station 2) and below Brownlee Dam (Station 1). Brownlee
Reservoir stretches from Brownlee Dam to just below Neiser. At
the Weiser station a composite sample from the left side, center
and right side of the river was made. This gave a more represen-
tative sample than just a single grab from one part of the river.
There is a problem with determining the flows from Brownlee Dam
whenever water moves over the spillway. Poor spillway calibration
explains the findings which data reviews reveal: more water
always leaves Brownlee Reservoir than enters it. Whenever water
spilled over the dam much more water was recorded leaving the
dam than was actually leaving. Ne could not discern the exact
magnitude of the error, but from comparison of the flows at
Weiser and Brownlee in Table 5, it appears to be 35%.
Although this means the mass balances are somewhat in-
accurate, they still show general trends. The flow error would
affect mainly the amount of unbalance in the February through May
period. Therefore, with more accurate flow figures, there
would be a greater percent reduction of phosphorus and a smaller
55
-------
percent Increase in all of the nitrogen values.
Overall Brownlee Dam acts as a small sink for phosphorus
and a sizeable source for nitrogen even though there are no
point sources of any significance between Weiser and Brownlee.
The periods of most significance are the irrigation season
and the month of October. During this time total nitroqen and
phosphorus are greatly reduced while ammonia-nitrogen is qreatly
increased. It appears that during the month of October a larne
amount of nitrogen is fixed from the air, probably by blue-green
algae. It is during this time that the phytoplankton chloronhyl]-a_
concentration goes from 20.1 ug/1 to 77-5 un/1. A chloronyl1-a
level of approximately 20 uo/1 is considered an alqai bloom.
This large amount of biological activity during the irrigation
season helps to account for the large reduction of phosphorus
for this time and the increase in organic nitrogen overall.
-------
TABLE 13
BROWNLEE RESERVOIR
PERCENT INCREASE
June-September
October-January
February-May
01
^ Weighted Annual
Average
PERCENT REDUCTION
June-September
October-January
February-May
Weighted Annual
Average
NUTRIENT CONTENT CHANGES
Total Nitrogen Nitrate Total Kjeldahl
-40% 9% -58%
81% 145% 26%
101% 115% 92%
53% 106% 19%
Total Phosphorus
Organic Nitrogen Ammonia
-62% 305%
15% 298%
84% 220%
11% 256%
130%
7%
-2%
16%
-------
in
CD
p
H
Y
o
1
SrS^3 COT NOV
f\f' 5
Figure 10. Phytoplankton chlorophyll £ at Brownlee Reservoir
-------
This study of the waters in the upper Snake basin has
provided information about the formerly mysterious reservoirs:
American Falls, Minidoka, Milner Reach and Brownlee in the
area. Much has been learned about the source and fate of
nitrogen and phosphorus in the basin and profiles of dissolved
oxygen, pesticides and bacterial concentrations in these waters
have been drawn. The monitoring system used in this study,
one of large magnitude, has proved effective in monitoring
the water quality of this basin. Furthermore, this survey
has led to recommendations about the quality of the data ob-
tained at each station. On the basis of this information,
a plan for long term monitoring of water quality in the basin
has been formulated and is recommended. The data in this report
will also form a standard for comparison when more research
is done on nutrient loading in the upper Snake River basin.
Thus, in general, the objectives of this study have been met.
59
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APPENDIX A
60
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MAV JUN JUL. ALJQ SEP OOT NOV DEC? JVSN f^EB MAR APR
JUN
MONTH
-------
ro
0
N
T
H
L.
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Fig. 1-^
-------
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-------
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MAY JIJM JTJL. ALJQ SEP
MONTH
OCT NOV DEC JAN REB MAR AT=R MAY JTJN
-------
T
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MAY JUN
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APPENDIX B
113
-------
Receiving water qiinlity outside the mixing zone will be maintained
ot water quality standards contained herein, 'or existing water
. quality levels, whichever is higher.
D. In the application of the use classification, the most stringent
criterion of a multiple criteria shall apply.
•
E. Sample collection, preservation and analytical procedures to
determine compliance with these standards shall conform to the
j procedures prescribed by the latest edition of Standard Methods
' For The Examination Of_ Water And V.'astcwater, and other superseding
methods published by the Department following consultation with
adjacent states, and the concurrence of the Environmental Protection
Agency.
vl. WATER USE CLASSIFICATION
The designated use(s) for which the waters of the State are to be
protected shall include, but not necessarily limited to domestic and
Industrial water supply, irrigation and stock watering, recreation
and/or aesthetic qualities. (See appendix, USES TO BE PROTECTED.)
Recreational waters are further divided into two classes: (1) primary
contact, and (2) secondary contact. Primary contact recreational waters
(Class A) are for uses where the human body may come in direct contact
with the raw watt to the point of complete submergence. The raw water
nay be accidently ingested and certain sensitive organs such as eyes,
.ears, nose., etc. nay be exposed to .the water. These waters may be used
for swimming, water skiing, skin diving, support and propagation of
fish, aquatic and semi-aquatic life, and other forms of wildlife.
Primary contact recreational waters are further divided into sub-classes
AI and A2« Class AI is restricted to lakes and impoundments in which ex-
ceptionally high water quality exists. Waters of al?. lakes and impound-
ments shall be class AI unless otherwise excepted. In the instances where
a flowing stream is classified and subsequently becomes an impoundment,
that impoundment shall carry the same classification as the flowing stream.
Class A£ includes the remainder of the primary contact recreational waters.
Secondary contact recreational waters (Class B) are for uses in which
the raw water supply is suitable for support and propagation of fish and
other aquatic and semi-aquatic life, and other fores of wildlife. These
waters r.ay be used for boating, wading and other activities where inges-
tion of the raw water is not probable.
Waters classified as excepted (Class E) are waters in which, due to
natural and/or man-made cause, the quality is not compatible with
recreational uses. These waters are protected for the use(s) specified.
The numerical value of the va> '.ous parameters for specific Water Quality
Standards contained herein under Section VIII shall apply to all Class E
waters unless an alternate value for a given parameter is specified in
Section IX for the waters under consideration.
114
-------
Natural tributaries to the stream readier, arc classified as primary
recreational waters, Class A£, unless otherwise r.peciflcd. Waterways
Defined as a point source in Section 502(14), -Public Law 92-500, arc a
of conveyance for waters with no use classification. Canals and
nan-nade waterways excluded as a point source arc protected for
agricultural uses and aesthetic -qualities and may be protected for other
i uses when specified.
' In the instance vhcre a flowing stream is classified and subsequently
! fcecorces an impoundment, that Impoundment shall carry the same classifica-
j ti°n as t*ie flowing stream. The criteria established for, the various
\ use-classifications may be modified by the Administrator for limited
I periods when receiving waters fall below, their assigned water quality
standards due to natural causes or if, in the opinion of the Administrator,
the protection of the overall interest and-welfare of the public requires
guch a modification.
.tj. GENERAL WATER QUALITY STANDARDS FOR WATERS OF THE STATE
The following general water quality standards will apply to waters
of the State, boih surface and underground, in addition to the water
quality standards set forth for specifically classified waters. Waters
of the State shall not contain:
A. Toxic chemicals of other than natural origin in concentrations
found to be of public health significance or to adversely affect
the .use for which .the waters have .been classified»*
B. Deleterious substancer of other than natural origin in concentrations
that cause tainting of edible species of fish or tastes and odors
to be impartrV to drinking water supplies.
. C. Radioactive materials or radioactivity other than of natural origin
which
9-
1. Exceed 1/3 of the values listed in Column 2, Table II,
Appendix A, Idaho Radiation Control Regulations as adopted"
by the Board on May 9, 1973.
2. Exceed the concentrations specified in the 1962 U. 'S. Public
Health Service Drinking Water Standards for waters used for
domestic supplies. '
' Guides such as the Water Duality Criteria published by the State of California
'•ltr Duality Control Board (Second Edition, 1963) and core recent research
f KTS will be used in evaluating the tolerances of the various toxic chemicals
•*-* the use indicated. , .
'115
-------
3. llavc a dcmonstrnblc effect on aquatic life. •
The concentration of radioactive materials'in these waters
shall be less than those required to meet the Radiation Protection
Guides for mnxinum exposure of critical hunan organs recommended
by the former Federal Radiation Council in the case of foodstuffs
• harvested fron these waters for human consumption..
P. Floating or submerged matter not attributable to natural causes.
•
E. Excess nutrients of other than natural origin that pause visible
slime growths or other nuisance aquatic growths.
p. Visible concentrations of oil, sludge deposits, scum, foam or
other material that may adversely affect the use indicated.
C. Objectionable turbidity which can be traced to a man-made source.
jji.SPECIFIC WATER QUALITY STA1JDARDS
No wastewaters shall be discharged.and/or no activity shall be conducted
in waters of the State which either alone or in combination with other waste-
vaters or activities will cause in waters of any specified reach, lake or
impoundment, or in general surface waters of the State
A. The organism concentrations of the coliforra group
a
1. In waters of lakes and impoundments (Aj), except the following,
which are classified as A waters:'
American Falls Reservoir
Lake Walcott
Milner Lake
Hurt, ugh Lake
Crane Falls Reservoir
C. J. Strike Reservoir
Lake Lowell
Brownlee Reservoir
Oxbow Reservoir
Hells Canyon Reservoir
R.M. 738.0 to R.H. 714.0
R.M. 675.0 to R.M. 640.0
R.M. 690.0 to R.M. 675.0
R.M. 514.0 to R.M..492.0
R.M. 338.0 to R.M. 285.0
R.M. 285.0 to R.M. 273.0
R.M. 273.0 to R.M. 247.0
r
Total colifom concentrations where associated with a
fecal source (s) to exceed a geometric mean of 50/100 ml.,
nor shall r.ore than 20 percent of total samples during
any 30-day period exceed 200/100 ml. (as determined.by
multiple-tube fermentation or membrane filter procedures
and based on not less than 5 samples for any 30-day
period).
116
-------
b. Fecal cbl i f orn "concentrations to exceed a geometric neon
of 10/100 nl., nor shnll more thnn 10 -percent of total
samples during any 30-day period exceed 20/100 ml,;
or greater than 50/100 nl. for any single sample.-
Colifom criteria for shoreline waters' shall conform with
that of Class M waters. Shoreline water waters shall be
defined as the 100 feet of water surface as measured from the
shoreline.
2. In waters protected for primary contact recreation
a. Total col if OTTO concentrations where associated with a
fecal source (s) to exceed a geometric mean of 240/100 ml.,
nor shal_ more than 20 percent of total samples during
any 30-day period exceed 1000/100 nl. (as determined by
multiple-tube fermentation or membrane filter procedures
and based on not less than 5 samples for any 30-day period).
*>• Fecal col iform concentrations to exceed a geometric mean
of 50/100 ml., nor shall more than 10 percent of total
samples during any 30-day period exceed 200/100 ml.; or
greater than 500/100 ml. for any single sample.
"3. In waters protected for secondary contact recreation (B)
j- * •
* " -a. "Total coliforrs concentrations where associated with a fecal
Bource(s) to exceed a geometric mean of 1000/100 ml., nor
shall more than 20 percent of total samples during any
30-day period exceed 2400/100 ail. (as determined by multiple-
tube fermentation or membrane filter procedures and based
on not less than 5 samples for any 30-day period).
b. Fecal col iform concentrations to exceed a -geometric mean
of 200/100 -ml., nor shall core than 10 percent of total
samples during any 30-day period exceed 400/100 ml.; or
greater than 800/100 ml. for any single sample.
B. Dissolved Oxygen
r
The DO concentration to be less than 6 mg/1 or 90 percent of
saturation, whichever is greater.
1. The DO standard shall apply to all flowing waterways.
2. The DO standard shall apply to the waters of all natural
lakes and reset oirs except as excluded below:
i
a. In depths of water less than 100 feet in natural lakes
or reservoirs, the bottom 20 percent of water depth shall
117
-------
be excluded from application of the DO standard. In
vatcr depths crnatcr than 100 feet, the bottom 20 feet
of'water depth shall be excluded .for application'of the
DO standard.
b. Waters below a thermocllne in stratified lakes'or impound-
ments shall be excluded fron application of the DO standard.
c. No wastewaters shall be discharged and/or,no activity shall
be conducted in waters excluded by a. and b. above, which
either alone or in combination with other wastewaters or
activities will cause the DO concentration -in these waters
to be less than A mg/1.
3. Notwithstanding exclusion of a. and b. above, the DO standard
shall always apply to the top two feet of any lake or reservoir.
C. Hydrogen Ion Concentration (pK)
The pH values to be outside the range of 6.5 to 9.0. The induced
variations shall not be more than 0.5 pH units.
D. Temperature
1. Any measurable increase when water temperatures are 66°F or
'above, or-more than 2°F increase other than 'from natural
causes when water temperatures are 64°F ot less (unless
otherwise specified).
2. Any increase exceeding 0.5°F due to any single source, or 2°F
due to all sources combined.
For purposes of determining compliance, a "measurable
Increase" means'no more than Q.5°F rise in temperature of the
receiving water as measured immediately outside of an estab-
lished mixing zone. Where mixing zone boundaries have not been
defined, cognizance will be given to the opportunity for admix-
"ture of wastewater with the receiving water.
r
3. Any measurable increase when water tenperatures are 68°F or
above, or more than 2°F increase other than from natural causes
when the water temperatures are 66°F or less in the following
waters:
a. The main stem of the Snake River fron the Oregon-Idaho
border (R.M. 407) to the interstate line at Lewiston,
Idaho (R.M. 139)
b. The Spokane River from Coeur d'Alene.Lake outlet to the
Idaho-Washington border.
118
-------
c. 1: c Pnlousc River from Princeton to the Idaho-Washington
border.
d. The Pcnd.Orcille River from the Tend Orc'ille Lake outlet
to the-Idaho-Washington border.
E. Turbidity .
The turbidity other than of natural origin to exceed 5 Jackson .
Turbidity Units (JTU). Whenever the receiving wator is greater than
5 JTU, due to conditions other than those caused by man, then no
discharge and/or activity either alone or in combination with other
wastewater or activity shall cause an increase of more than 5 JTU.
y. Total Dissolved Gas
The total concentration of dissolved gas shall not exceed 110
percent of saturation at atmospheric pressure at the point of sample
collection due to non-natural causes. (In compliance with this
standard Paragraph C, Section III,.General requirements shall apply.)
:r. SPECIFIC WATER QUALITY STANDARDS FOR CLASS E WATELS
Specific water quality standards contained herein under Section VIII shall
apply to all Class E waters except as enumerated in this Section.
A. -No-wastewater shall-be discharged-and/or no activity shall be conducted
vhich either alone or in combination with otbar wastewaters will cause
the organism concentration of the coliform group in waters of the
South Fork Coeur d'Alene River, Mullan to Enaville, or Paradise Creek,
upper reaches to State line.
1, The total coniform concentrations where associated with a fecal
source(s) to exceed a geometric mean of 240/100 ml., nor shall
more than 20 percent of total samples during any 30-day period
exceed 1000/100 ml. (as determined by multiple-tube fermentation
or membrane filter procedures and based on not less than 5 samples
for any 30-day period); or greater than 2400/100 ml. for any
single sample.
r
2. The fecal coliform concentrations to exceed a geometric mean
of 50/100 ml., nor shall more than 10 percent of total samples
during any 30-day period exceed 200/100 xl.; or greater than
500/100 ml. for any single sample.
B. No vastcwaters shall be discharged and/or no Ectivity shall be conducted
vhich either alone or in combination with other wastewaters will cause
the DO concentration to je less than 75 percent of saturation i.i waters
of Paradise Creek, upper reaches to the State line.
119
-------
APPENDIX C
120
-------
ST'lUFT
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9 .64
5.7?
OO6O5 OO675
nsr, N TOT K.IEI.
N N
MI; /i. MG/I.
fl.3?o o.3?o
0.470 0.470
0.1-50 0:i50
0.170 0.170
0.36 O
0 . 3 H 0
0 . 7 3 O
0.730
0.060
0. 700
0.730
O.060
0. 1HO
0.1«0
0. 730
O.O60
0.60O
0.770
0. 740
0. 1HO
O.OHO
n. ?3o
O. ?6O
0 . O R 0
0.77.0
0.700
0061 0
NH3-M
TllT Al_
iv.i ('•>/!_
O.OIOK
O .01 OK
O.OIOK
o . o\ OK
O. O) O
O.OIOK
o.oi OK
o . 01 OK
0.01 0
O. O60
O.OIOK
O . (i 1 0
o.o 10
0.07O
0.030
O.O30
O. 07O
0.040
0.070
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MII7-M
TUTAI.
Ml, / 1.
O.OO 1
0.00?
O.Oni
0.001
o .001
o .00 i
O .004
0.003
O .OO4
O.on4
O.OO?
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O.O03
0.007
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NU3-N
TDTAI.
Mf,/L
0.070
0.070
0.070
O.O40
O.ObO
0.070
0. 06O
O.OHO
0.140
0. 1 60
0. 1 20
0.040
0.140
0.090
-------
HATF
OATF
FROM
TO
TIMF DFPTH
np
RAY MFTFK
73/07/OS
7^/07/17
73/OK/01
73/OH/21
73/OR/2?
73/09/1^
73/10/lft
73/11/13
73/17./OS
7^/12/lH
74/01/7?
74/O2/07
7i/02/?ft
74/n^/l/»
74/04/10
14
'14
1 0
70
1 0
14
1 0
14
1 7
10
1 o
1 ?
1 7
li
1 O
14
ng
r>4
1 3
OO
45
30
1 5
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4S
OO
4S
OO
10
70
1 n
oo
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3n
3n
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1 •=•
30
0000
oooo
oooo
nooo
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noon
nooo
noon
oooo
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oono
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nooo
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1. Art
774O1
74401
* 14(11
^7901
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S 1 M01
44CI1
f-'jn i
yjfil
11 ••• o i
s"
onft3o onftfts
Nll?r,i\ll)3 PMfiS-InT
M-THTAI.
MI; /i. MI; /i. P
0.0? 0.030
O.O3 O.O7O
0.0? 0.030
o.o? o.n^o
0.040
0. M4O
n.o^o
o.o?' o.n?n
0.07O
O. O3O
0.07 O
n . o 7 o
o , o i o
O.070
O.O7O
O. O4O
0. n?o
O.OHO
o.oftn
.
O0ft7 1
pMns-ni S
n«TH(i
wr, / 1. P
0.010
0.010
0 . 0 1 0
O.Ol OK
0.010
0.01 OK
O.Ol OK
O.Ol 0
0 . O 1 0
O.Ol OK
n.oio
0.010
o ..o i o
0.010
I'i33ftl
44 Oft 40.0 111 ?ft S7.O
HFNRYS FliHK Art ASHTON HESPMVMIrt
1ft IDAHO
PACIFIC MIJKTHWEST
IIPPFR SMAKF «I\/FR HASIN
I 1 10f,050 71 1 1704
7 0000 MF.TrP IIP
OOft'flO OOhftO 0)00? 010^1
T HRT, C OKTHMP04 ft«SEN!C LEAD
C P04 AS, TOT PR.TllT
MP,/I. MG/I ur,/L iy;/i_
0.0?
0.0?
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0.03 ft
ft.O
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n.oi ?
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3
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3
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CADMIUM MEKCUKY
r.D.TllT Hli.TMTAI.
UU/I. Hb/L
1 0.3
S 0.4
3 1.1
3 O.9
13 0.4
"300 0.4
ft 0.4
1 ft 0.4
4 0.1
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1 1.-3
ro
-------
ST'uFT
UPPER
RFT->|Fv//u_ DATF 7S/O4/IH
naTF
FPC1M
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7 1 / O 7 / ' ) i*
M/07 / I 7
M / o n / o 1
M / 1 n / 1 6
7 1 / 1 n / --11
71/11/U
71/17/oS
7 VI ?./ I"
7^/01/10
T I MF
OF
F T FH
1 ?
1 A
'11
1 H
1 0
1 1
1 o
1 7
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1 s
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1 A
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1 ?
1?
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OH
1 1
10
in
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111
10
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10
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7 . HO
h . in
7 . 60
7 .'JO
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7.'n
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60
SA IOK
6A IOK
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7H IOK
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60 1 OK
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64 QO
1 S
10
S?0
95 ISO
FP IIFM'
1616
cm. i
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OOMI.
1 (IOK
1 OK
1 0
1 0
1 OK
'1(1
1 OK
O
1 OK
1 OK
1 0
1 OK
1 OK
1 OK
1 OK
0
1 OK
10
I'M.
OOO
OOO60
STHE4M
HI IIM
INCHF<;
1 1HO
ro
-------
7=i/nu/m
153355
43 59 15.0 111 39 05.0
HF.NRYS F'1«K AHI1VF ST A-MHflNY
DA.TF
FuriM
in
71/0*,/19
73/O7/n4
71/07/17
7i/na/oi
71/OH/21
73/OP/22
73/OH/21
71/09/11
73/09/2A
7i/io/i<>
73/10/11
73/11/11
73/12/05
73/17/1H
74/m/in
74/ni/?7
7^/02/OA
7^/02/2*
74/03/13
7A/04/10
74/os/nn
oonoH
T1MP I1FPTH I.AH
rip i ncM|.
nAY MFTFR NIIIMHFW ]
12 30 nnoo 75002
1 >S 1O OOOO ?7
on is nnnn ?wgn?
1 n no nnnn 11 qn? •
in in nnno i*..PFrt SN&KR
1 1 19C050 71 1 1204
? OOOO METFe I)? PT>
nnOM 37211 -3221H 32773 00(S05 00675 On/s)n
STKFAM r.HI.UMHYI. PHFHPHTN f.HI.H^HYI. f)Wr, N TOT K.lEl._ NH'-t-N
FlHW. ft UK /I. A A MT,/M? M M ' TIITAI.
w^T-r.F1; r.nuwFr.To ur,/i. cn««Fr.ro MK/I. Mr;/i, wr;/i.
74^0 1.79 0.770 O.770 O.O10K
imn n.9i 0.440 0.450 o.oio
11
-------
I. DATF 7S/00/1H
1S11SS
FROM
T'l
71/06/ )g
71/07/n/.
71/07/17
71/OR/01
7 1 / O H / 7 1
71/01/7?
71/OH/21
71/OP/11
71/04/?6
71/10/16
71/10/11
71/1 1/11
71/12/OS
T IMF
riF
DAY
7^/OS/OH
1 7
1 S
OP
1 K
1 0
1 1
1 0
1 7
1 O
1 S
1 2
12
1 ^
1 S
1 7
1 7
1 g
1 1
1 H
OH
1 1
10
10
IS
nn
1 n
1 S
?s
IS
in
nn
1 S
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10
10
no
so
10
i.S
is
00
4S
ooon
onnn
nnnn
nnnn
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nnnn
nnnn
nnnn
nonn
nnnn
nnnn
nnnn
nnnn
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MFTFR MM^HFU
7S9M?
774O?
1 10(,?
1 i P ••, 1
i'»q 117
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N-THTAI
c,r, /1
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n .n?
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n . n i
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o .o'-n
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o . o 7 o
o. o?o
o. o?n
0.070
o.oio
o. o?o
0.110
0 . OAO
n.o in
0.060
00671
ns-m s
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r, / 1. v
n . 01 OK
o. 01 n
o.oio
0.01 OK
O .111 OK
O. O] OK
O . (M OK
o. 01 OK
0.010
0.010
o.oio
0.01 OK
0.01 OK
O. 01 O
O.01 OK
0.010
'.I S9 1 S .n ill 19 OS .0
HFMWYS FORK ArtOVF ST AMThMNlV
PACIFIC NORTHWEST
HPPFR SNAKF
1 1 iqf.OSO 71 1 1704
? OOOO METER OF.I
O06HO 00660 01OO? 01OS1
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01O77 714(10
CAIJMIIM hEKCIIKY
CD. TUT H
-------
UPPFB SWAKF
nATF
FROM
Tn
7^/OAYlQ
73/07/OS
73/07/17
73/OR/01
73/0«/21
73/08/??.
73 /OR / 23
7 "^ /OQ / \ ^
7^/no/^A
73/lo/is
7^/10/31
7^/11/13
73/l?/r»s
73/12/1*
74/01/10
74/01/2?
74/02/OA
74/03/14
74/04/10
74/OS/0«
TIMF nFPTH
np
DAY
14
OH
Ofl
in
10
12
10
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1 1
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1 1
1 1
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14
1 1
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10
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30
4S
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1 1 ^n^
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f.FMT
11.7
70.0
17. A
74.^
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17. H
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17.7
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13.3
4.R
3.H
n. o
1 .0
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A.S
S.I
1 1 .H
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1 4.0
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44 01 in.n in 33 SS.n
PALIS RIVFK NH MHIITH
PAf. IF 1C NUHTHWEST
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340
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30
30
n
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10
770
101.
in
40
101.
TKANSP
oooisn
STREAM
INCHES
CFS
us
10H
ro
-------
uFTHIFv/ni HATF
OATF
OOOO«
T1MF OFr'TH I. AH
OF inFK'T.
Tn DAY MFTFR MIIM^FW
73 /O*,/ IQ l u
73/07/OS OH
7^/07/17 OH
73/OP/01
71/ou/?i
73/OS /?!
73/OQ/13
73/O9/7*
73/10/1*
73/10/11
73/11/13
71/12/OS
74/03V14 OR
74/O4/10 OH
74/OS/OH 12
so
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44 111 1(1. O )11 V4 SS. O
FALLS RIVFH MR MOUTH
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DPPRH SM4KF
1 1 19 CO SO ?1 1 1
7 OOOO
DOOM 37711 3771R 17773 nn,
TRFAM CMI.MPHYI. PHFUPHTN CHI.BPHYI ORi~,
Fl.rV-i, A IIT,/L A A Mf,/^? M
704
METFI
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M
ST-CFS CHRRFCTO lir,/|. CORRFCTi) Mr,/|.
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-------
STDUFT RFTRTFVAI. OATF 75/r>Q/lH
IIPPPR
IIATH
FROM
Tn
73/0*,/lo
73/07/05
73/07/17
73/OM/01
73/OR/71
73/OS/?2
73/OH/73
73/0^/13
73/OQ/?*,
73/10/1*,
7^/10/^1
73/11/13
7^/12/05
?3/i?/m
74/03/14
74/O4/10
74/05/OR
TI«F OFPTH
nF
1. AH
HAY MFTFR Nll^wPH
14
OH
o»
1 »
10
i y
10
i ^
1 1
1 5
1 1
1 1
13
1 *>
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OH
1?
50
00
45
45
35
10
4O
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30
45
35
45
45
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05
30
45
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47403
44^ D3
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44403
5 1
-------
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I IP PPM
15315*
43 5* 03.0 111 3* 37.0
TFTDN * M OF NFWDAI.F
i* IDAHO
PACIFIC NIIKTHWFST
II^PFW SNAKE KIVEW HASIN
i i mr.oso *n i 704
7 (IOOO METFK IIF.HTH
OATF
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-------
IIPPFR
WFTKJFV/AI. OATF 75/O4/18
SMAKF
15315*
43 -5ft 03.'I 111 3* 37.0
TETDN R M f)F NE*M>AI.E
IS IDAHO
PACIFIC NORTHWEST
IIUPFR SNAKF RIVFH
OATF
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TO
73/0*/l4
73/07/O5
73/07/17
73/08/01
7^/08/21
73/08/22
73/08/23
73/04/13
73/10/1*
73/10/31
73/11/13
73/12/05
73/12/18
74/01/10
74/01/22
74/02/O.S
74/02/2*
74/03/13
74/04/nP
74/05/08
TIMF DFPTH
HF
OAY MF.TF.}
i*
11
07
07
1*
10
04
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1 1
18
13
1 3
1 s
1 8
14
1 1
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15
17
21
10
15
35
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00
35
30
10
35
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1 5
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11 19-C050 *1 11204
? OOOO METFP 06PTH
OOOOH 000*1 32211 3221H 322?3 00*05 00*25 OOhlo
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IOFMT. Pl.nu, A lir,/|. A A MK/M2 N N TUTAI.
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0.
2.33 0.
200
210
270
230
-
240
130
1 40
220
220
340
490
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0.250
0. 120
1.500
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0.240
0. 140
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0.190
0.290
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0.1*0
0.240
0.230
0.370
0.540
0.370
O
O
0
0
0
0
0
O
o
o
0
0
o
0
o
n
o
0
o
o
.010K
.010
.01 OK
.070
. o 1 o
.01 OK
.010
.01 OK
.01 OK
.070
.010
.010
.O1O
.OHO
.070
.070
.010
.030
.050
.010
O0615
NII2-N
1 1 1 T A 1.
Mi / L
O.O04
0.004
O.O04
0.003
0.007
O.OO?
O.OO"-(
0 .004
0.004
0.004
0.004
O.004
0 . OO 4
0.011
0.0') 3
00620
NU3-M
TUTAL
MG/L
0.200
0.340
0.3*0
0.270
0.360
0.430
0.4SO
0.510
O.*M()
O.*(l0
0.590
0.5*0
0.5t>0
0.500
0.220
-------
DI-T° I
Sf-'AKF
I. OATF
/nu/1
1531S6
43 56 03.0 111 36 37.0
TFTRN H N UF NEWDAI.E
16 IDAHO
MAC IF I C. NOKTHWFST
HPPFH SNAKF RtVFR HAS1N
1 1 1
-------
bTDRFT RFTRIFV/VI. DATF 75/O4/1R
IIPPFR
1 5335B
73/11/13
73/12/Oft
73/12/1R
74/01/10
74/02/oft
74/n2/2ft
74/O3/13
OOOOH
DATS TIMF DFPTH I AH
FHOM OF II1FMT.
TO DAY MFTFR NIIMHFR
73/Oft/iq
73/07/04
73/07/17
73/oH/o]
73/OH/21
73/OH/22
73/OH/23
73/Oq/n
73/04/2ft
73/10/lft
74./05/OR
in
14
1 1
1 S
1 1
04
10
10
07
14
1 3
14
OR
14
1 n
1 7
1 2
1ft
2n
14
so
15
oo
so
oo
45
00
30
i^n
oo
5S
30
SO
35
2O
30
30
OO
00
A5
OOOO
OOOO
oooo
oooo
OOOO
oooo
ooon
oooo
oooo
oooo
onoo
oooo
oooo
oooo.
oooo
oooo
oooo
oooo
oooo
3 '.
3 7 '< O 5
4 H w OS
^ u y n S
SI MO5
2^)05
1 1 405
1 Sin5
1 9-J05
0001 f)
W A T F *
TFMP
T.FMT
4.7
?1 . 2
20.ft
2S.O
'17.4
1ft . 0
1ft.2
14.5'
H.O
11.4
ft .1
S.3
1 .1
?.ft
O .O
0.0
o.s
3.4
4.2
H. ~,
00300
on
MR/I.
10.4
10.7
1 o.o
10.4
M ,H
H.4
H.3
4.4
4.H
11.0
1 1 .«
11.7
14. 1
13.3
1 2.4
12.2
11.0
12.7
4.H
1 ?.«
43 55 2.7.0 111 4ft 40. n
HFNRYS FORK SOUTH OF PARKER
1ft IDAHO
PACIFIC NORTHWEST
UPPER SNAKE
ii1non«?/S Olllirt/.
0400
PH
SI)
R. 10
H.30
R . 1 0
R.ftO
7.70
7.40
H. 1 O
H. 10
7.40
H.OO
H . 2O
a.oo
7.40
R.40
7.RO
R. 10
R.OO
1 I l*H.
OO044
CNOUCTVY
FTFI.D
MICHfJMHO
144
ISO
170
175
1ft 0
145
ISO
2OO
IftO
IftO
ia-5
175
140
142
140
225
230
145
170
IftO
,i)3ii
00410
T ALK
CAC03
MR/L
45
75
A3
ft4
ftft
6ft
ftH
65
Aft
65
ftft
54
91
1OO
63
141
OOOO
31501
TOT CUI. I
MFIMENDU
/100ML
30
10K
• 40
10K
70
440
330
200
20
10K
10
10K
20
10K
1OK
5
10
60
101.
, f i >•*
METF.K DEPTH
3161ft 00077
FEC cm. i TKANSP
MFii-hCHR ScCCHI
/1.00MI. INCHES
10K
10K
10
200
1 OK
10
50
10
1OK
1 OK
50
1OK
1 OK
1OK
O
10K
1 OK
101.
00060
STREAM
H.nn
ci-s
Go
-------
UFT&IFWAI. DATF
1 S31SR
OATF
FROM
rn
7i/o*,/m
7^/07/04
73/07/17
73 /OH /Ol
71/OH/71
7-^ /0« / 77
73/OR/7.3
73 /no i 1^
73/04/?*
71 / in/ i^
71/10/31
71/11/11
71/17./0*,
73/1 ?./!«
74/01/10
7i./O?./0*
74/0?/?*
74/01/11
7/./O4/OQ
74/OS/0«
T [M
OF
O A Y
1 0
1 4
1 1
1 S
1 1
O"J
1 o
10
07
1 4
1 1
14
OR
1 4
10
17
1 7
1*.
20
14
e
SO
1 s
Of)
SO
Of)
45
OO
If)
4O
00
SS
30
SO
IS
?0
30
30
oo
00
45
I1FPTH
MFTFS
onnn
OOOO
onno
onno
o n 1 1 f)
norm
flOl If)
OOOO
nnnn
oooo
oono
onoo
OOOO
OOOO
OOOO
OOOO
OOOO
oono
OOOO
noonn
1 A rt
I IVT.
Ml 1 f> M F 1}
•) 5
-------
STDUPT «FT»JF,VAI. OAT* 75/ng/lH
IIPPPQ SMAKF
1
41 5<5 ?7.0 111 4* 40.0
HFNRYS FOKK SOUTH OF PAHKf-R
1ft IDAHO
PACIFIC NOKTHWIrRT
IIPPgH SMAKF
1119C050 ?lll?04
? 0000 METER
OATF
rn
71/0*1/14
71/07/04
71/07/17
71/OH/01
71/01/?!
71/OH/22
71/OH/71
71/09/11
71/OQ/7.*,
71/10/1*.
71/10/11
71/11/11
71/12/0*,
71/ I?/ 1"
7 4 / n v / 1 o
7&/02VO*.
74/02/2*1
74/01/-11
T
0
1
1
1
1
OOOOR nn*iin noises
IMF I1FPTH 1 AH Nn?f.N01 PHOS-TIIT 1-
OF 10FMT. M-TflTAI
AY MFTFR NHMHF» MR/I. MG/I p
o So nnon 75405 o.i o.nin
4 IS 0000 7740=1 0.04 n.040
1
5
1
OO
SO
no
no 45
1
l
0
l
1
1
n
i
l
i
l
l
0
0
7
4
•^
A
(I
A
0
7
?
*,
7^/04/nci 20
74/ns/n«
l
4
no
10
4O
on
SS
•10
so
'•fl
?n
in
in
no
no
45
oonn POMOS
nnoo nuns
OOon 14H04
nnoo I'*H*I^
noon 1^41?
1 7 4 n <=,
,>nn iwwns
nnon . 47^05
oonn i.^4os
noon 4»i4(i5
nooo 4^ 4 os
nonn sivos
OOfiO ?4Oci
noon *i 4 n 5
oono i*4ns
noon i i uns
noon 1 Suns
nnnn 14405
n.ni o
O.OS 0
0
o
0
n.ni n
0
n
0
n
0
0
0
n
n
n
0
0
.1140
.050
.050
.050
.050
.(110
.040
.010
.070
.010
.070
.070
.010
. 1 SO
.010
.nin
.040
.OftO
00*,71 006HO OOISAO 01002 OlOM 010?7 71<*00
'MOS-DIS 1 DRP, C OKTHOfCK ARSFNIC . LEAD CAJMIUM MfiRCimY
DHTHfl C PD4 AS. TOT PK.TOT CU.TdT HG*T()TAI.
MR /I. P Mfi/L MG/I. UG/L OG/l. UG/I. UG/L
0.0?
0.0?
0
0
0
0
n
n
0
0
n
0
n
0
n
0
0
0.02
0.04
.010
.010 A.O
.010
0.01
.010 o.o IK
.010K 0.01K
.01 OK
.01 OK
.010
1 11 1 0
.070
.010
.01 OK
.nio
.01 OK
.010
-------
-i F T" I F V A I. OATC /S/O'-i/lH
S"A* F
I S1154
OttTF
FUflM
in
7 I/OA / 1
-------
STD3FT
. OATF 75/nt)/lK
15135P
41 41 / 1 1
74 /n4 /np
74/n5/nn
1 1 1PC050 71 1 1704
•> 0000 MET5H DEPTH
onnoH nnnfti i??ii 3??i« 3?7?3 00605 noft?5 nnftin
T1MF DFPTH I.AR STWCAM r.HL«PHYI. PHFOPHTN CHI.RPHYL ORR N TOT K.IEl.. NH3-N
HF in^'-'T. FLO'-I, A lir,/|. A A MT,/M? N N TIlTAl.
ftAY MFTFR MIIMHFW INST-f.FS COHRECTn IIR/L CORRFCTO MG/L Mfi/L M(j/l.
n9 3n nnnn ?sunft o.ni o.?7o O.?RO n.oio
is in nnnn ??40ft ?iHn n.?7 0.110 0.120 n.oio
2n no onno ?4nnft 1770 7.00 o.4io o.42n n.oio
11 in oooo nuns ' i?oo n.73 t.5ftO 1 ,ft7n 0.110
1 A
12
1 1
n
45
2n
1 5
4O
45
no
45
1 0
15
45
3')
on
3n
10
?n
in
15
nnnn 34«i4
nnnn 14^71
nnon 744 i 5
onnn 17QOft
inn i4Qfift
nnnn 4?4nft
nnnn 44^nft
nnnn 4*-^oft
nonn 4wonft
nnnn 5 i unft
nnnn ?uoft
nnnn 44n-s
nnnn ftwoft
nnnn Q40ft
onnn i i ^r,ft
nnnn iS4nft
nnno i44Oft
1 5in
74S1
?ft57
21 05
14ft4
75?4
144ft
11 7ft
?«1 ft
?7«4
71 7ft
1 .ns
573ft
7 .HO 0
?.7?
7.05
0.7ft
0.4R
n
n
n
o
n.5Q i
0
1 . 1ft 0
.110
.190
.120
.190
.710
.Ann
.inn
.580
0-. i 8 n
n.170
n. ?ftn
n.37n
0. IflO
o. i 70
0.190
n.4?n
o.l9n
n.7in
0.730
o . ] ft o
n.?in
o. P4n
1 .5nn
n.?no
0.590
o
n
o
n
n
n
n
n
n
n
n
n
n
n
n
n
n
.010
.OIOK
.01 OK
.010
.010
.070
.OIOK
.n?n
.n?o
.nin
.()4f)
.o^n
,n4n
.nin
.07n
.o?n
.nin
NCJ7-N
1IITAL
MG/L
0.007
0.003
0.001
o.ooi
O.OO7
O.OOI
n.nni
n.noi
O.OO4
o.ons
O.OO4
n.nni
n.nni
o . on 4
n ,nii4
o . on 7
006?0
NU3-N
TOTAL
0.170
0.130
• n.)6o
0.170
O.OHO
0. 10O
0.190
0.700
o.?f>n.
0.370
O.3OO
0.7HO
n.?20
0.710
0.270
0.110
-------
1ATF
IIPPFW
1ATF
FOHM
Tn
71/0ft/l4
71/17/1S
71/07/ 1ft
71/1R/11
71/OR/21
71/1H/77
71/1H/71
71/1P/H
T1MF
np
1AY
71/1 I/ 11
74/01/11
74/11/2?
1 S
1 1
1 4
1 7
1 1
no
71/11/lft I
10
1 1
04
11 1111
in iinn
nn inn
11 1111
4S 1111
71 nnn
1s ooon
41 innn
4S 1111
11 mi
14 4S 1111
is 11 1111
is 1111
4S 1111
11 inn
11 1111
11 iinn
11 0111
i ft
11
IS 71 1101
IP
1110
0000
OlOOfl
I AM
IDFNT.
7741'->
14 H 7 1
1'. g i 5
Nn?.r. rj.-ii
M-THTAI
wr,/i.
1. 1
0.1
1. 7
0.1
i.r
i u o n A
041*.
1
1 SQ nft
1 441ft
1S11S4
41 AQ 4?.n ill Sft 11.0
HPMRYS FORK AT
i*, IDAHO
PACIFIC MOHTHWF.ST
SNAKF
11AAS .
OS-TUT
r, / 1. P
i.n^i
i . f ifr i
1 . n s i
1.071
1 . 1S1
i . ift i
1.111
o.nio
i . n s o
o.oio
O . 1 4 1
1.1^1
1.010
1.041
0.140
O . 1 4 1
0. 1 40
o.oio
1 . 4 K 1
1 . 1 H 1
) 11P-C050
7
11ft71 llftfll OOftftO
pHiis-ms T ORT, c nRTHnP04
ORTHO C PI14
Mr, /i. P w,r, /L Mr, /i.
0.01
0.03
o.-o?
1.14
1.110
0.110 7.0
1 . O 1 1
0.02
0.110
n . n i o
1.01 1
1. 11 IK
1.111
1.171
1.171
1.171
1.070
1.010
o.oflo
1.010
O.OIO
71 1 1704
(1000 rtETF.H HF.H
0100? ninsi
ARSF.NIC LEAD
AS, TOT MR. TOT
ur,/u uii/i.
•
1 h
q
4
7 4S
ft
4
ft
0.7
3
7
ft
4
2
4 ] 7
4
TH
01 (17 ?
C A Dill Urf
CD. TUT
1 1C, / 1.
1
??
1
1. 7
1 K
1 4
14
4ft
10
SS
R
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1
4
IK
1
7 ]4H()
MEkCOH Y
H(i. TIITAI.
IKi/l.
f) . 6
0.4
(1.4
O.H
0.5
O.S
n.H
O.I
1.4
1.1
O.h
O.ft
0.1
0:5
0.6
0.9
CO
CD
-------
"JFTH IF.VAI.
SMAKF
OATF 7S/O9/1R
1533ftO
43 39 00.0 111 41 00.0
SMAKF RTVF" NEAR HFISE
1ft IDAHO
PACIFIC NORTHWEST
UPPER SNAKF
1 1 1<*C050 21 1 1204
7 0000 METER DEPTH
DATF
FRflM
TH
73/Oft/l9
73/07/OS
73/07/17
73/OR/02
73/OR/21
73/OR/22
73/OR/23
73/09/13
73/10/17
73/10/31
73/ii/i3
73/12/oft
73/12/ls
74/01/22
74/02/Oft
74/02/2*.
74/03/14
74/04/10
74/05/OR
TIMF nFPTH
OF
HAY M=TFR
1 7
1«
1^
in
1 R
IS
14
T.
OH
IS
1*>
1 n
2o
10
1 2
17
1 2
12
Ofi
4S
10
00
4S
10
40
IS
ss
oo
ss
4S
4S
oo
^0
^0
20
IS
^0
30
oooo
oooo
oooo
oooo
oooo
oooo
oooo
oooo
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oooo
oooo
oooo
oooo
oooo
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oooo
oooo
oooo
ooooa 0001 o
1. A K ig A T F R
IHFMT. TFMP
MIIMUPP
2SV07
27«07
24407
^1907 '
^4H22
^iR7R
^*4ql q
^74O7
424O7
44qO7
4*i407
44407
S \ 4 0 7
4907
*i4O7
9407
) 1407
1 S407
1M4O7
CF^T
11.?
10.1
14.7
14.1
'l*. ^
17.1
17.4
1ft. 4'
4.9
H.S
ft. 3
? .R
1 .7
O.l
O.S
3.0
1 .H
2.9
ft. 1
003OO
nd
MR/I.
12. H
9 .1
9 .S
R .4
R.3 •
9 .O
H.M
10. ft
a.s
\ 1 .R
1 2.0
) 3. ft
11.7
1 1 .S
11 .H
1 2.S
11.3
u.s
13.1
00400 00094 00410 3150) 31Mf> 00077 00060
PH CNDIICTVY T ALK TDT CHI. I PEG CM LI TKANSP STREAM
FIFI.n CAC03 MFIMFNDO MFM-Ff.HX ScCCHl HLUW
Sll MTCROMHO
9 .00
7 .40
R.OO
7.40
fc. 1 0
R .00
7.RO
R.50
R. 10
R.30
fl.30
7.70
R.OO
7. HO
R.OO
fl.OO
4OO
390
410
3ftO
345
340
330
400
4SS
510
SSO
57S
S7S
SftO
5RO
550
470
470
530
MR/1. /100MI. /l.OOWL INCHES CFS
129
15S
1-15
lift
121
1 Ifl
lift
132
14R
171
Ift5
119
112
135
131
50
1 10
1 ftO
24O
150
)OK
20
16O
10K
10K
10K
10K
40
O
1 OK
10K
10K
10K
10K
10K
10K 959(
10 91hi
]OK ««3<
0
10K
10K
1 OK
"I OK
10K
O
1OK
10K
1OK
CO
CD
-------
STMJf-T
1 Sll/SO
6i ig oo.o in 4i oo.o
SMAKF MM/FW NFAW HF I SE
!«, IIIAHH
PACIFIC MOWTMUiFST
IIUIJFH SNAKF
111QC050 71
1704
OOOO METFW |)FPTH
O ft T F
PUflM
ro
7i/n7/ns
71/07/17
71/no/o?
M/OH/71
71/04/77
71/riH //l
71/0i)/ 1 1
fi/in/17
717 1 0/11
71/11/11
71/1 7/0*,
71/ I?/ Iw
76/0 1 /??
74/n?/n^
74./n7/?*>
74/O1/ 16
76/O6/ln
76/05 /0«
TIMF ItFPTH
nF
OA Y MF TFu(
17 6s onnn
1 H in nnnn
1 1
in
1 *
1 •=,
16
!*•
n"
1 s
i *<
10
/?o
in
1 ?
1 7
1 ?
1 7
n«
nn
/» s
10
6O
1 5
S5
00
S5
45
6=i
on
in
in
70
15
10
in
noon
nnnn
nnnn
nnnn
noon
nnnn
nnnn
nnnn
nnnn
nnnn
noon
nnnn
nnr.n
nnnn
oooo
nooo
I.Art STWFAu r.HI KPHYI. PHFOPHTN CHI.KPHYI. n«R N TOT KjEl.
IOFM.T. F|(IW. A IIP, /I. 4 A yiG/M? N N
VIIWPPW 1NST-OFS CnwrtECTO lir,/|. CO^RFCTfl MG/|. • MG/L
'^••tnl IMHOH l.fl? 0.370 0.4OO
77w07 l?M7n 7.10 0.2OO 0.710
7'v<-to7 11540
1 1407 17710
1 '• M 7 7
1 '. H / M
•» 6 ') i g
17007
674O7 7O5O 1 6. OO
46g07 1644
4*,mn7 )454
6MVO7 117O ^.50
51ony 1 7 4 H
4^07
*>gn7 114O
•J407 116f)
1 1 4 O 7 41^7
1 5gn? 6.9*i
)gon7 M600
1 .91 0.
1 .74 0.
0.17 0 .
0.1 3
0.01
0.
0.
0.
0 . 04 0 .
0.
O.M 0.
740
?50
390
070
150
170
010K
150
?10
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
750
770
1 hn
1 70
730
400
150
750
330
110
550
OflO
1 hO
140
010K
170
750
ori8 i n
NH-i-N
TIITAI.
MI; /i.
0.0 HO
o .01 o
o.oio
0 . 0 7 O
o. o i OK
O.Ol 0
0. O 1 O
0.01 O
o.oio
n. o i OK
o. 070
0.01 f)
o. o?n
o.ni o
0.010
0.070
0 . 0 1 0 K
0.070
0.040
fldh 1 T
Nl l?-\
1 1 IT Al.
Cfi/L
o. nn i
0.00?
0 .on 7
o .nn l
o .001
0 . OO 1
o .OOH
0 . on 4
0.00?
O. OO4
0.007
0.00?
0.001
0 . 00 3
\II3-N
IHTAI.
O.OiSO
0.070
0.07O
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144 1
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OOOM 17711 1??1« 177?1 O0h05 00*?S
STRFAM r.HIHPHY'l. P-HFOPHTN CHI.RPHYL ORP N TOT K.lEI.
FI.I1W. A IIR/I. A fl MR/M? N N
IMST-CFS r.nRRFcin IIR/I. r.nRRFCTo wr,/i. Mf./L
1
1
1
1 •
1
1
1
1
1
1
1
1
1
1
1
1
I
q
0
0
0
o
0
0
o
0
0
o
0
0
.150
.050K
. 140
.140
. 100K
-
.01 OK
.070
.ISO
. 170
.01 OK
.?20
.120
0.350
O.O5OK
O1. 140
0. 140
0. 10OK
0.750
0. 170
o.iqo
O.ORO
0.430
0.010
0.030
0. 170
0. 140
O.01 OK
O. 74O
0.140
0.110
OOMO
TDTAI.
0.01 OK
O.O10K
O.O1 OK
O.OJOK
O.OIOK
O.O10
O.OIOK
O . 0 1 O
O.OIOK
O.010
o.oio
0.010
0.070
0.070
O.O1 OK
0.070
O.070
O.OIO
OOM *S
TllTAI.
wr, /i.
0 . 00 1
0.001
O.O'll
0.001
o.ooi
O.OOI
o.ooi
O.oni
0.001
0.001
0.001
0.001
O.OOI
NM3-M
TOTAL
0.8(10
0.84(1
O.H?0
o.Hbn
O.M(H)
0.7HO
o.Kon
O.HOO
O.H1O
0.780
n.h60
0.78O
0.83O
en
-------
BFTRIF.VAI. n«TF
I|PPP»
u? on oo.o ii? no no.o
SPRIMR CREFK AT BRONCO ROAD
i/s iriAHn
PACIFIC MOMTHWEST
SNAKE RIVER HASIN
0000 METER DEPTH
OA.TP
FRflM
rn
71/0*/ 1 H
71/07/0*.
71/07/ I «i
71/OH/01
71/04/1?
71/10/17
71/11/01
71/11/1?
71/1 ?/OS
71/l?/l«
7** /O 1 /OH
74/O1/?!
74/O?/O
-------
STDRFT HF.TPTFVAI. r-lATF 7S/OW/1M
ft? "54 4ft. 0 1 1 7 31 1 H.O
SPHNf, 3 ROWLANDS IJAJBV-POCATF.I.I.M
PACIFIC NOBTHWFST
IIPWPH SNAKF KIVF.R HASFN
1 1 IQCOSO ?1 ) 1 ?04
7 0000 METCH L)FJ>TH
nnnnw oonin
OATF
F3MM
TO
73/Oft/lR
73/07/Oft
73/07/1*
7^/oH/oi
73/04/17
7^/ln/l7
73/11/01
73/11/12
7^/1 2/Oft
73/1? /17
74/01 /ob
74/01 /2l
74/02/0*
7ft/o2/?5
7ft/O3/12
7ft /Oft /O9
74/05/07
T 1 MF
PF
f)AV
IS
07
1 "*
O5
1H
1 3
13
1ft
1 «
1*
1 1
1*.
in
1 *
1 «
1 1
7.1
30
ftS
oo
50
on
oo
50
ft5
50
no
on
30
1 s
3n
3n
3n
ft 5
DFPTH
MFTFR
onoo
nonn
oooo
onoo
onnn
nnnn
nnnn
~onn
onoo
oono
onno
onoo
i onon
i oono
i nnnn
oono
1 AH WATFW
1 n F * T . T F M
P
N'UMUF.y CFNT
P'i'J 1 7 1
3.5
774 17 1 7. V
.7441? 1
^1^17 1
17? 1
ft ?M 1 7 1
ftft417 1
ft*>ul 7 1
ft
-------
STOPFT BFTBTFVAI. OATF
SMAKF
1S37H7
4? 54 4A.fi 11? HI IH.n
SU«MH a priwl.AMOS rjAlBY-POCATFl.l
Ift IDAHO
PACIFIC M()»THUEST
IIPPFR SMAKF RIVER RAS1N
1 1 19-CnSf) 7111 ?04
7 noon MFTCK
DdTF
Tn
73/n*,/iR
73/07/O4
73/07/1*.
73/nn/ni
nnnn«
TIMF OFPJH I AH
nF |i>f-.>iT.
HAY MFTFR MIIMHEH
73/10/17
73/11/01
73/11/12
73/12/17
74/O4/O9
74/05/07
15 3n
n7 45
1 3 OO
05 50
1 H OO
l 3 no
13 50
14 45
1 M 50
1 *> OO
11 on
in 15
13 30
21 45
nnoo
nooo
nonn
nonn
onon
onoo
onno
onon
nooo
onnn
nnnn
nnnn
onoo
noon
nnoo
oooo
ST-HFAM CHI.RPHYI.
FiriU. A lin/l.
INST-CFS CHRRFCTO
3791 7
449 1 7
441 7
M *-i 1 ?
11917
I?
PMFDPHTN CHI KMHYI. DKG N TUT KjEl.
fl A Mf;/M7 N: N
lin/l. CORRFCTO MR/I. Mfi/l.
O.no o.33n
0.070 0.130
0 . 09 0 O .' 1 9 0
0.150 O . 7 7 O
0 . 74O
-
O.OIOK
0.01 OK
O.OIOK
0 . 0 1 OK
O.OIOK
0.320
0 . 3 7 n
0.370
O.050
0.130
0.550
O.9OO
0. 19O
o . 49 n
0.230
0.340
0.500
0.340
O.3AO
1}C)H 1 O
NH 3 — N
TII r AI.
n.7?O
n. i no
o.ovi
O .OHO
O . 7 7 O
0.750
0.070
0.450
n. 34n
o. IPO
o.Srin
0.7V)
o.Hho
O.5OO
0.500
O.45O
OOM 5
NU2-N
TUT AI.
O.004
0.005
O.Ooh
0.007
0.017
0.004
O.071
o . oox.
o.oio
0.011
o.oon
0.010
MI3-M
TOTAL
2. 10(1
2.300
2.6OO
2.hOO
2.40O
2.150
3.000
l.hOO
?.ftl)0
3.200
2.HOO
3.400
cn
-------
4? S4
11? ;-n
HAT^ T [ Mlf RFPTH
F^HVI
Tn
71/Oft/lM
71/O7/04
71/07/1'.
73/OM /Ol
71/OM/l ?
73/10/17
71/11/01
73/11/12
71/1 ?/O4
71/12/17
74/O1 /On
74/O 1 //I
7/. /O?/Oft
74/0?/?S
74/01/12
74/O4/O4
74/OS/OV
OF
HAY MFTFR
1 S
07
1 1
OS
i «
1 1
1 1
14
i «
i ft
1 1
i ft
10
1 S
1 H
1 1
?i
30
4S
OO
SO
OO
00
so
4S
so
OO
DO
10
1 S
10
in
10
4S
oooo
oooo
oooo
oooo
oooo
oooo
oooo
onoo
OOOO
ooon
oooo
oooo
oooo
onoo
ooon
Oooo
OOOO" OOftIO
I MI iMa?r,MH
inPi*'.T. M-THTAI
MIIMHCW Mf, /I
?S^1? 7. ft
77^ 1 7 1 .ft
74^1 7 1.1
1 Iwl 7 1.1
^7^17 -1.7
4?y 1 2
46^1 1 ?
4ftWl 7
6U4 1 ?
S 1 *-t 1 7
?') 1 7
4^17
ftwl?
>-iw) 2
11^1?
1 SMI 2
1 «4l 7
l)AI«Y-P(jr.ATFLLl
00^71
M(;/l P
O.HSO
O.770
MT,/|. p
O. 7OO
0.170
O . S4O
O. SftO
o. s ft n
o. HOO
O.ft 1 O
0 . 14O
O.H7O.
O . 4 H 0
0. 700
1 .070
O.HIO
O.I
O.S4O
O.SftO
0.5SO
O.HOO
O. SSO
O.34O
1 . HOO
o.ftoo
O . 4 ft O
1 .OftO
O. HOO
O.700
H^UFH s">'AKF HIVFW HASIN
1 1 1'ICOSO
7
OOftHO OOftftO
T n«r, r. n«THritJfi4
r, PD4
MR/I. MG/I
0.73
o.2S
0.34
O.?0
0.37
0.-53
?1 1 1204
ooon MF.TFK UH^
oion? otoii
AHSFNIC LEAH
AS. rrn kn.Tn'1
. IIR/I. in; /i.
H
ft
ft
ft
4
?
ft
5
ft
ft 75
•5
TH
OKI 2V 7 is no
CAunMli". MEKCuaV
r.U.Tin HlT.TIJlAI.
IK; /i. IIU/L
3 O.h
ft n.v
ftft 1.5
"•" 0.5
1 ft 1.4
17 1 .h
44.O l.S
14 1 .4
1 ft.?
4 O. 1
IK (1.4
? 0.9
CJ1
-------
u I I-VAI (IATI-
1S1157
4? 4A OA.O 11? 57 4?.o
SNAKF n HFI.MW AMF.R IT.AM FAILS I>M«I
IK IOAHII
PAf.lFIC NflHTHWFST
SM/1KF.
?n i ?OA
onnn UF.T = W
I1ATP
P4IIM
Tn
71/OS/PO
71/07/01
71/07/17
71/O7/11
71/OM /??
71/nu/X.*,
71/ftn/?7
71/OQ/l 7
71/04/75
71/ln/17
71/in/in
/I/I 1/14
7l/l?/n4
71/17/17
74 /o] /ni
74/n] /n?
74/ni/ni
74/ni /n4
74/ni/ns
74/01/0*,
74/01/07
74/ni /OK
74/ni/n4
74/ni/m
74/01/11
nnnoK OOO l n
T[MP iippfH | AH WATFrf
nt= 1 1)^'' 1 . TF'i^
HAY M»-7>H MIIMHCU f.FMT
nv 4s nnno 7^415 14. A
1H 1O OOOO 77915 1H.*>
1 <, AS nnnn ?O4)5 ?.O.iS
?o in nnnn imis ??.o
07 in noon i&sni
17 is nnnn issoi ?o.s
OH ?o nnon issn4 14.?
14 40 OOOO 1/415 17.1
.in nn nnoo 1^41 s 11.5
i * oo onnn 4741 s 11 . l
17 4O OOOO 44415 7.H
04 in nnnn ^figjs 4.7
17 oo nnoo 44415 ?.i
1 A no nooo s 1 41 s l .0
001011 00400 00094
nn PH oimir.TVY
FI Fi.n
M',/I sit Mir.Rn.MHo
4.7 «.00 459
4.0 H.OO 470
H. 4 H .in 440
A. 4 H.M1 175
M.A. H.IO son
7.H 8.00 575
1 O . 4 7 . 4 O 5 00
10. H 8.4O 54(1
10.5 fl.4O S.'SO
11.0 «.30 ft?5
11 .H 7.70 550
(If) A 10 31501 31 Mh (inn 7 7
T ALK TOT r.ni. i FF.C r.ni i TKANIS^
r.Ar.ni MFiiifNDU i^FM-t-r.HH SHCCHI
Mf;/L ./if)OMi. /inoKi. INCHES
14? ISO IOK S?
77? 700 inK
144 45n IOK
134 inK IOK
175 11
7.09 ]OK 1OK H
ISO 440 30 35
167 ?40 70
1R4 lin 30 ?R
182 3n IOK 11
400 1
nfioMi
STREAM
H.IIW
r>s
171HO
K/h75
6477
1^13
1765
\44n
7545
771?
771?
7717
7717
771?
7717
771?
771?
771?
773H
7764
-------
STDRFT «PTHIFV/U. OATF
MPPFH
4iS OA.O 11? 57 47.0
M HEIOW AMERICAN FALLS DAM
1* lOAMD
PACIFIC NORTHWEST
UPPER SNAKE
lllfltosn 7111704
? 0000 METEK
OATF
FRDM
TH
TIMF OFPTH
OF
HAY r«FTFR
oonoH
1. AH
inFNT.
NIIMRFR
0001 0
WATFR
TFMP
CFNT
OO3OO
nn
Mr. /i.
00400
PH
Sll
00094
CNOHCTVY
FIFI.U
MTCKDMHO
004)0
T ALK
CAC03
MG/I.
31501
TOT COL I
MFIMENIJO
/100ML
31616
FEC cnn
MFM-FCHK
/ 1.00K'L
00077
TkANSP
SECCHI
I NCHE <;
00060
STREAM
FLOW
CFS
7A/01/1?
74/01/17
74/01/27
74/01/2R
. /oi
74/02/OS
74/0?/0«
74/0? /OS
74/02/10
74/02/1 1
74/02/12
74/02/13
74/02/14
74/O2/] 5
74/02/1''
40 onon
1 .1
1 1.
H.10
5SO
210
180
'lOK
oooo
1 .4
n.o
1S2
10
2790
7790
37OO
3700
37OO
37i)(i
3700
3200
3730
37XO
2H43
3072
3573
471 1
5H70
6770
7O4O
6779
7124
7124
7124
7558
-------
UF-TU I
"ATF-
1
47 4ft Oft.O 11? S7 4?.n
SNAKF K HFIQW AMFKIC.AN FAI.I.<;
1ft TOAHl)
PACIFIC
?l 1 1
onnn
1 1 iPf.oso
OATF
Til
T [ N-F DFPTH
IIP
()/\Y
n n n n «
I AH
onn i n
WATF*
T.FMT
00300
nn
MR /I.
nri^no
SH
00044
CNODCTVY
FTFI.n
MICHOMHfl
T AIK
C.AC03
MG/I
31501
TOT r.ni.T
HFIiiENUO
./100MI
74/0? /?4
1o no oono
1 .0
?o
00077
i-en cm I
/10nM.
SFCCHI
INCHF-'s
74/0^/12 1ft SO 0000
. ft
1 OK
10K
74/01/1H
nooht)
STKFAM
Fl.llw
CrS
VS'jH
Mb in
H'ilO
KSin
HH4H
10140
101 SO
i 09 1 3
14140
140HO
14080
14OKO
14070
11S77
CO
-------
I »T\/AP_ OATF
SMAKF
153357
4? 4ft Oft.o 11? 5? 4?.o
SMAKF. H HFIOW AMFHIf.AN FALLS
1*1 II)AHM
r, JPIC MJHTHWEST
SM'ftKF
0000
DEPTH
nnonn
I. AH
rn
np
n.AV
MFTFR
onion
mi
MI;/i.
oo^no
PH
Sll
OOOQ4
CMOIICTVY
F [ F I FJ
MICKOMHQ
00 A 10
T ftl.K
CACD3
MG/L
31501
TOT COL I
MFIMF.NDO
V100MI.
31M ft
HEC r.fll.I
00077
TKANSM
00060
STREAM
/I OOM_
is in onon
7^/ns/o7 i Q ^.s nnno
50]n
1 ?.?
A70
7?0
191
1500
1 OK
IOK
30
cn
-------
P-ATF
1S1157
.7 i* O6.n n ? s? 47.0
MAKF x HFIOU flMPHir«N
naiF
FOOM
rn
71/O6/70
71/07/0^
71/07/17
71/07/11
71/OH/22
71/0«/2'6
71/OH/27
71/04/1?
71/04/2S
71/10/17
71/10/10
71/11/14
71/12/04
71/12/17
74/OT/21
74/02/05
74/02/27
74/01/12
7^/04/10
74/05/07
T[MC
HF
HAY
n7
1H
1 6
20
07
17
OH
1 4
1 H
16
1 7
OQ
1 7
1 u
OB
16
1 o
16
IS
19
4S
10
4S
10
in
is
70
40
oo
oo
4n
in
nn
on
40
45
OO
SO
10
45
(1FHTH
MFTFK
nnnn
nnnn
nonn
oooo
onon
nonn
nnno
onnn
• on
oono
onoo
oono
nnnn
nnr.n
nooo
noon
oooo
oooo
oooo
oonn
OfifirlH
1. AH
1 ncn.f.
MI,r.«KF« ,
7SU15
77U 1 -i
744 1 5
11 "1 5
1 /. S O 1
TSSOI
15S04
174 1 5
14U] 5
.4741 5
4/.4 1 5
4/S41 5
4441 5
51415
&. *-) l S
641 5
4415
11415
15415
] q4 1 5
00061 17711 1771 H
STRFA^ f~.H|_KPHYI_ iJHF.r)l-'HTN
FIO'-i. A nr, /|. A
:MST-CFS C'lRHFr.Tn 'if;/i_
1 1770 6.75
1 1 400 1 1 .45
1 ?srKi H. 1 n
6670 ?H.On
H 1. 0 5 7 H . H 0
4760 77. HO
7 O 4 ^ 1 6 . O 0
1^67 11. .on
71 4n i.l ,sn
1220 27.00
744?
11 O4
64^0
H4A5
1 4070 65 .on
76.10
761 60 .14 . 41
PAf.IFIC NdHTHUE
H3PER SNAKF
I 1 19C050
7
17773 00605
r.HI.RtJHYL ORG N
A MG/M? M
r.nkRFCTo MG
n
0
4.70 0
1 .17 1
0.10 1
0.01
0.24
•15.41
0
0
o
0
0
7.54 0
/I.
.7 HO
.190
.310
.020
.?.10
.240
.130
.550
.5HO
.470
.100
ST
21 1 1704
oooo METFR HE^TH
00625 OO61O OO615
Ten K.lEi. . NH;*-\ !\d?-N
M
MG/L
O.400
0.44O
0.470
1.100
1 .450
0.4 4O
0.540
0.750
0.640
0.320
0.6RO
0.370
0.370
0 . h 1 0
0.630
0.520
0.320
TOT Al.
HI, /|.
0. 1 70
n.nso
O. 1 4(1
n.nwo
n . ?4n
0. 1 HO
0.130
0. nio
O.O4O
0. O40
o. i nn
n.o«n
0.04(1
0.050
n.n^o
o. i oo
O.07O
1 1 1 1 A 1.
CM, /I.
O.O77
0.016
o.oi n
O.OOH
0.007
O .OOH
O.OOH
0.007
O.O07
O .005
o.no5
O.O04
OOIS70
TljTAI.
f.G/L
•
0. 7!>O
O.b60
0.r>7O
0 . s 1 0
0.b7O
0 . 6 3 O
0.640
0.600
0.7 MO
0.130
0.170
0.1 10
-------
STfHFT
IIPPFR SWAKF
OA.TF TIMF
FROM r*F
rn PAY MFTFR
73/07/17
73/OQ/l?
73/11/14
73/12/17
74/02/05
74/03/17.
74/04/10
74/05/07
07 4S
1*. 45
?O 3O
O7 ^O
17 15
OH 70
14 4O
1 a oo
T> 00
1 7 40
O
o.oio
0.010
0.070
0.01 OK
PACIFIC MUR THi
liopfq SNAKF
7
T ORR C n«THOPl)4
c pn4
MR /I. MR /I.
0.06
0.05
0. 11
0.05
O. 1 I
O.OB
O.O6
1>>33'57
4? 4ft OA.O 11? 6? 47.0
SNAKE « HFI.OW AMFRIr.AN FALLS DAM
7111704
OOOO 1-icTF.P
oioo?
AKSEMC . LEAD
A<;,TOT ^R.TIIT
nr,/L U(.;/L
11
6
01077 7190O
CADMIUM MEKCUKY
CD. TUT HTai_
uf;/i. IK;/L
l.n
1 o
4
7
4
14
34O
7
74
4
S
1 K
7
1.1
O.K
1.3
l.l
l.l.
O.H
O.h
O.I
0.4
O.4
1.?
-------
STRiJFT RFTPIFV//H. OATF 75/n«j/)H
11 f P F U S M A K F
f510f)1 11 OH79 OO
47 11 78.0 114 fin 4O.fi
I AKF Mll.NFK AT Mil.NEW UAH
1* IOAHI1
PACIFIC NDMTHWFST
IJIJpFut SNAK6 RIVFH HASIN
111PC050 7111707
7 nono METJ
OATI- T I MF OFPTH I AM
F3MM OF lOF^T.
TO HAY MFTFR MIIMKFK
71/n*,/ in
nooi o
WATFw
CFMT
Of)1Of).
01)
M(;/I.
OO400 OOO94
PH CNOIICTVY
F I F L n
71/0^/H
7 1/O«i/ I/.
71/n>,/15
71/O*,/ 1 7
71/07/02
71/07/01
71/07/n^
71/07/05
71/07/07
71/07/OH
71/07/09
71/07/10
71/07/11
71/07/12
71/07/H
71/07/14
nnnn
7. so
M04K)
T ALK
CACDI
Mr,/1
11501
TUT Cl)|. I
MFIMENOD
/IOOML
(-EC cm. i
/JOOMI.
30
0007 /
Sf-CCHl
nonn
7l
-------
13OO79OO
47 31 7A.O 114 00 40.0
I AKE MTL^FM AT M1I.WFK HAM
1<> IDAHO
\>l\r.\?\C, NfWTHWpST
IIOPFK SNAKF RIVFK RASIN
1 1 lir,05O 71 1 17O7
7 OOOfJ f
l]t»f HF(>TH I.At< -WATFi/
FUHM ne i II?M r. TFMC
T'l nAV MFTPO I'tinte'i, r,FW|
71/07/1S
7H/M7/17
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Ml, /i
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r.wnor. TVY
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T ALK
CAC03
15?
31501
i|)T COLI nec cm. i
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700
/ 1 OOMI.
10K
00077 OOOAO
STKEAM
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HI
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HI
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7'^/07/xi is
7^/OM /fi-l
H.1
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149
7OO
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77
71
77
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7-^
79
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74
77
78
75
cn
Co
-------
STnaFT
HATC
A rm ^n.n
AT Mll.NER DAM
PACIFIC
IIPPFH SIMAKF
1 1
7
VFM
HASIN
7111;
OOOO METFH
DEPTH
Tn
73/nn/la
T*/n» / 14
73/o>i /?n
TJMF DFPTH I A H
HP II'PFMT.
n ft Y MFTFR ("PiMr/Fu
0001 n
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00300
00
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PH
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F I F I. n
T ALK
CAC03
MG/L
31501
TOT CULT
MFIMENDO
00077
FEC r.DLl
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/ ] 00fi|_
SECCHI
INCHES
7^/ng/n?
71/og/ni
71/rm/os
7^/ng/lo
1
nnnn
14.7
H.M
H.3O
17ft
7ft
75
74
?ft
7ft
?4
73
7ft
74
75
?ft
75
74
74
73
7^
7?
77
77
77
77
75
73
75
00060
STHEAM
FI.OW
Cf-S
71/OQ/lq
75
7^
73
7^
73
73
73
7^
73
-------
ST09PT OFT«IF.VAI_ DATF
IIPPFR SMAKF
is?oni
i? n ?ft.o i i^ on 40.n
LAKE MII.M6W AT MtLNFR 0AM
is inAHn
PACIFIC NOWTHWF.ST
IIPPE« SNAKF «IVF« HASIN
H19G05r)
? 0000 iicTF.H DEPTH
I1ATF
FORM
rn
TIMF I1FPTH
73/09/22
73/Oq/?S
73/nq/?q
7^/10/17
7 ^ / I n / 2 2
OOOOH
LAM
DFNT.
'IIMHFW
onoio
WAT.FW
TFMP
CFMT
O03on
no
MP, /i.
004C1O
PH
Sll
00094
r.NnucTVY
FIFLU
MICWOMHn
00410
T ALK
CAC03
MR/L
31S01
TOT CHI. I
MF1MFNOO
/100ML
31ftl/S
FEC CHLI
Mf;H_t-r,HK
/100ML
00077
TkANSP
SECCHI
INCHES
00060
STREAM
FLOW
CFS
73/oq/24
73/nq/25
3o oooo
13.
fl.?n
500
1HO
15000
14O
7^/in/n?
7'-i/in/ris
7^/in/n*.
7^/10/07
1i no onnn
1 H
7.R
H. 1 O
192
30000
14OO
7 ^ / 1 n / i q
7?
73
?7
73
77
7^
73
7^
73
74
74
74
74
74
1 P
74
74
74
£.4.
75
7^>
7-9
7ft
7ft
?ft
?ft
?ft
7ft
-------
SrnwM rfFT* | (=VA|. OATF /S/fVi/M
4? n 76.n i\4 nn 4n.n
I AKF Mil Mp« AT Mll.NF.H IIAI-i
I* IDAHd
PACIFIC MI1WTHWFST
IJPPF.K SMAKF RIVE" HASIN
nnnn
IIATF
-jdM
Tn
7i/n*,/?n
71/n7/ni
7i/n7/ 1 "
7i/n7/ii
71/ow/l?
71/ni»/7S
71/in/ in
71/ln/in
71/1 1 / 1 '•
^ JM
(It;
nA Y
M
1 4
nq
1 S
fiK
1 1
1 1
1 ,/
14
nnnnw
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int-.s-T .
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is nnnn ?s^ i s
IS nnnn 774 i H
AS nnnn 7^-*m
nn nnnn 11 4 i x
1 s ndnn i7y l H
In nnnn i'-i<^ i H
on nnnn 474 I(H
in norm 4/.wi n
?n nnnn i*,wix
nnnM 17711 I??IH 17771
' STWFAM r.HI WpwVI. PMFriPHTM CHLKPHYl.
FI.II-I. A IK;/I A A M(;/M?
iNST-r.Fs r.nwwFr.Tn IK;/I COKHFCTD
77^7 11.4(1 (1.4H
g^«1 74. iS 0.31
"J^f-q n.^) 7
vi in 71. sn 1 . ?A
iSAAS S4 .^i ] (1 .7^
ss/^v #i.4n ^.SH
71SS 1 1 .ftS
V117 7.4?
71h4 1 1 .Sn 0.70
onMis
imr, N
N
MC./I.
0.37(1
0.350
n . H 1 o
O.IS70
n. S60
nnis?s
T(1T K.lEL
N
. Mi / L
o.4?n
0 . 3 H O
o.h?n
0 . 69 0
n . 5 H o
0.6 on
(1.9 7O
1 .070
o . H ? n
HOMO
NH,-(-\
TllTAI.
Ml, /I.
n.nsn
n.nin
n.nin
n.n?n
(1.07(1
n.ni nK
n.nin
n.o/sn
(i. isn
(1061 S
MH7-N
"1 ilT Al.
Mf, / 1.
n.n??
n.n'ii
n.nns
0.014
00(S?0
Nlli-iM
TliTAL
M<;/I.
0. Sill
n.n?o
0.4HO
n.b/io
i? in nnnn
73/12/07
71/17/OQ
->/!?
2 3n nnnn
71/17/2"
71/U/27
?7i4
11 '17
170O
insn
is i n
inn
lino
1110
I74n
lain
I4nn
766O
77SO
m.nn
n.^on
.3 in
n.?'>n
n.i7n
n.nfw
O.hOO
0.01?
CO
C'J
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n
h*t M| | ».i|-1/ AT If
)'•»/»« 7V OO
IIVPfH
i r
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fiAV
y 1 /1 o / 7 M
74/in/X'j
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71/1't/ii
71/J)/oi
71/17/0'. IX to
71/1X/A.7
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7/1 /
7/10 12 10
f "
mi
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Ml
OOO'M
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O04| 0
I A I."
CAC01
i n ( r,oi, i
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IHHttf
71/1
y < /1
y«/l
71/1
M/1
71/1
/••*/!
r-/i
y ' /1;
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M.X 7. in
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7*.
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T'./\ 7 / x rr
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/i 7
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7710
77
X f
7S
7
-------
OATF 75/on/in
Uttse* sr AKF
OOOOK
n/UF TTMF I1FPTH I.A^
^jriM MF inc^'T.
rn DAY MFTFR NII-«HFU
71/t ?/?«
71/17/74
71/12/V1
71/12/11
74/01/01
74/01/07
74/0] /01
7& /O 1 /O4
74/01 / n 5
74/ni/o*
TU /O1/O7
74/Ol/OH 12 OO OOOO 74 1 rt
74/oino
74/01/1 1
74/01 /I ?
74/01/11
7<./Ol /14
74/ol/lS
7^/01 /I*
74/01/17
74/01/1H
74/ol/lg
74/01/70
74/O1 /7 1
74/01/77
74/ol/?^ 12 in oooo 441 fl
74/O1 /?6
74/Ol/?5
74/01/7*
74/01/27
74/01/7"
74/01/2"
74/01/10.
74/01/11
1 51O(l 1 1 JfiH7Q OO
47 11 ?*.O 114 ()O 4O.O
I AKF MII.NFW AT MH.NER DAM
1* IDAHO
PACIFIC MORTHWF.ST
IJPPFR SMA-KF RIVER HA.<;IN
1 1 14C050 71 1 1707
7 0000 MF.7FK UFPTH
OOO*1 ^771 1 1771 n 17771 OO*O5 00*75 OO* 1 0 O0*l
/;TKFA>I CHI.WPMYI. PHFHPHTN CHI.RPHYI. ORR M TOT K.iEL MHI-N NU2-M
F|(I4, A MR/I. A A ->ir,/M7 N N TDTAI. TMTAI.
IMST_r,PS COWRFCTO HR/L CORRFCin MR/I. .MR/L 'MR/I. NiR/l.
1110
41WO
41 ^0
n i o
?4.10
7^70
^=;no
1110
is on
1100
1 1 '/ 0
^140 0.410 0.510 0.100 0.0
11 4f)
•*O4O
^O40
1100
1700
1700
11 40
4740
444O
uut*n
41KO
41*0
4O4O
1140
7*oo O.520 O.*7O 0.1SO O.f
4O*O
14HO
1700
171 O
147O
45 1O
4740
47HO
6o*?0
NH3-N
TOTAL
M(,/L
0.74()
0.6HO
CO
-------
STD3FT RFTRISVAI.
IIPPFR
YS/O9/1H
4? 31 26.0 114
I.AKF. M1LNER AT
16 IDAHO
PACIFIC NORTHWEST
IIPPFR SNAKF RIVFR
1 1 19'COSO
?
fin 40.0
MILNER (1AM
OOOOH
HATF TIMF DFPTH I.AR
FRHM riF IOFMT.
TO PAY MFTFR NIIMHFR
00010
hi AT F B
TFMP
CFNT
00300 .
no
MT,/I_
00400
PH
Stl
00094
CNOIICTVY
FIFI.f)
MlCRdMHO
00410
T AI.K
CAC03
MR /I.
31501
TOT cnui
MFIMFNDn
/IOOMI.
BASIN
2111?02
OOOO METF.R
PEC
74/01/23
74/01/26
74/01/29
74/02/01
74/02/02
? 30 onon
74/07/04
74/02/05 12 on nnoo
74/02/06
74/02/OB
74/02/13
74/02/l«
74/02/20
74/02/23
0.2
7.40
A20
195
R5000
770O
isqi8
1 .2
11.3
R.30
ftOO
Ift7
2900
74/O2/27 IS 00 OOOO
74/03/01
74/03/02
74/03/03
74/O3/04
1 .9
S<,0
1900
SO
00077
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SECOHi
?n
20
1H
17
17
17
35
17
1H
17
15
1 7
17
1 7
16
1 7
1 7
74/03/07
74/03/OP
74/O3/O4
74/O3/in
74/03/11
74/03/1? 1? rio OOOO
M
-------
"KTw|HWAI. OATF
$MAKF
i
'*? ^i ?A.O
I AKF MI L"JpM
i*
PACT Fir.
p
1
no 40.0
MII.NRW HAM
HA SIN
?ni
norin
HATF
FHHM
Tn
flOOOH
T|MF I1FPTH | AH
MFTFR MIJMHFlf
74/04/?4
74/04/2S
74/04/02
74/04/04
74/04/OS
74/04/OA
74/04/07
74/04/OH
74/04/09
74/04/10
74/04/11
74/04/1?
74/04/n
74/04/14
74/04/1S
74/04/1*!
74/04/17
74/04/lM
74/04/1 «
74/04/?0
74/04/?l
74/04/2?
OOO1 0
WATFM
TF.MP
CFMT
ooion
on
Mr,/i.
OO4DO
Ml
00044
r.Moiir.Tvv
FIFI.H
MICR'IMHO
OO410
T ALK
MR/I.
TOT COL I . I-EC CHI. 1
MFIMENDD
/IOOMI.
OO077
SFCCHI
1 4
1 4
OOOO
S.7
10.7
5OO
70000
?40
1 7
14
14
0006(1
STREAM
CHS
4H06
4401
15617
1574H
1 6OHH
161 OO
1 4763
16103
15740
)6?00
1447H
19740
14 1 6O
1 H77H
1VHH7
701 43
14407
CO
-------
153001
4? ii ?ft.o 114
I.AKF MJI.MFW AT
ift maun
rr, MOHTHWFST
SNAKF
1 1 19C050
130H79OO
OO 40.0
MII.MFK DAM
HASlNl
71 1 1707
0000 WglFH
OA.TF
FPHM
TO
74/04/2>>
74/04/27
74/04/28
74/04/2Q
74/04/1O
74/O5/O1
74/O5/0?
TIMP
OF
RFPTH
. AH
novin
on
MFTFR
TFMP
f.FMT
OO4OO
PH
sn
OOOQ4
cwnncivv
FiFi.n
MICKOMHO
00410
T ALK
CAC03
MR/I.
31501
rnr cm. I.
MFIMENDO
/IOOMI.
3 1 M ft
t-ec CIILI
OOO77
SFCf.Hl
/IOOM
14
1 3
74/05/04
74/05/05
74/05/0*
74/O5/O7
74/O5/OS
74/05/oq
74/05/10
74/05/11
74/05/17.
is nn nnon
11.?
«-?n
550
74000
550
1ft
71
74/OS/1S
74/OS/17
74/DS/lfl
74/ns/ m
74/05/?7
74/05/2H
1 7
71
71
71
71
71
OOOhO
STKEAM
CFS
77350
79 H
?7H77
17
17
17
17
7?ft4?
??0ft4
777ft4
71hh5
774OO
?OOfi3
1«)7HO
19717
1854-J
17454
1^131
1 MfiO5
174f>?
Ift77?
17169
-------
STMOFT
OATF 75/nu/lH
OATE TIMF OFPTH
FROM OF
in PAY MFTFR
74/02/01
74/02/02
74/02/03
74/02/04
74/02/05 12 no nnno
74/n2/o<>
74/02/07
IDFMT.
ST«FAM
FLOW .
51 40
sson
5700
74/02/OH
74/02/09
74/02/10
74/02/1 1
74/02/12
74/O2/13
74/02/14
74/02/15
74/02/l*>
74/02/17
74/02/l«
74/02/19
74/02/20
74/02/21
74/02/2? ,
74/02/23
74/02/24
74/02/25
74/02/2*.
74/02/27 15 on nnnn 9913
74/02/2*1
74/03/12 12 oo nnnn 1191R
74/04/in 19 45 nnnn I59i«
74/O5/07 15 On OOOO 1991R
7740
7110
7190
7?no
71 9O
7?HO
71 in
7 1 4n
7OOO
7?nn
K?7n
R940
H30O
^955
54WO
^030
ft950
77?5
H745
WtH'5
H5O5
O
14750
??709
4? ^r 2A.n 114 no 40.n
I.AKF MII.NFH AT MTl.NER
^* IDAHH
PACIFIC MOHTHWFST
IJP^'E^ SNAKE RIVER
11190050
? CiOOO METrR l)cHTH
CHI.HCHYI.
A nfi/i.
PHFOPHTM
A
IIG/L
CHLRPHYI.
A MG/M7
CORRECT!}
l?. no
DRG N
N
MG/L
0.480
TOT K.lEL
N
MG/L
0.5?0
NH3-N
TOTAL
MG/L
0.040
iNI)?-N
TOTAI.
MG/I.
0.013
Nli3-M
TOTAL
MG/L
0.99
52. 50
O.ftftO
0.4f>0
0.320
0.770
0.520
0.330
n. 1 1 o
0.030
0.010
0.01 ?'
o . o i n
0.001
0.200
0.140
0.080
0.010K
to
-------
STDRFT HFTRIFVAI. O'ATF 75/n^/in
MPpep
153001 13 OH 79 nO
A? 31 ?*.n M4 no 4n.o
I.AKB MII.NEK AT MTI.NE« DAM
P4C [FIT, NflHTHWF-ST
UPPER SMAKf «IVER HASIN
OATF
FRHM
TO
73/0^/20
73/07/03
73/07/1H
73/07/31
73/09/J2
73/09/25
73/ln/lR
73/10/30
73/11/14
73/12/04
73/12/19
74/01/OR
74/01/23
74/02/05
74/n2/27
74/n3/12
74/04/10
74/05/07
nnooH
TIMF OFPTH I.AH
HF inFMT.
hiY MFTFR ,Vlt«*HFH
13
14
09
15
O9
1 1
1 1
12
14
12
12
12
12
12
12
19
1 S
^)S
15
45
no
IS
nn
3O
?n
in
30
no
3n
no
00
no
45
on
nnnn
nnoo
oooo
onoo
onoo
onno
oonn
nnno
,,oon
nnnn
nnnn
onno
nnnn
onoo
nnoo
onoo
onoo
oonn
?591R
?79t H
•?441R
3 1 41 R
344 1 H
4741R
4441 fl
4*,V1H
44Q] fl
S141H
741 H
44 1R
*i4 1 a
1 1 41 R
) 5418
1 941 R
N-TDT/U.
o.l
n. i
n.i
0.03
n.4
OOA71
PHDS-MI s
n«THn
MT,/L P
nn/iHo
T OBI; c
C
Mfi/L
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ORTHDP04
P04
Mfi/l.
ninn?
ARSFNIC
AS, TOT '
ur,/L
oiobi
LEAD
PK.TIlT
IK; /i.
oin?7
CADMIUM
CU.TIIT
UG/I.
71900
MEi*CUKY
HG, TOTAL
UC./L
0*^5
.S-TDT
/L p
o.n»n
O.OHO
n. ion
n.i ?n
n. i sn
n.i4o
0.110
n. ) 40
n. i4o
0. ISO
0. 1 30
0.130
0. 1 SO
0. 1 40
0.070
n.nn
n. i7n
0 . 09 0
00*71
PHDS-MI s
Mr,/L°P
0.0^0
o.n?.n
n. 040
O.OAO
o . 09 n
n.070
0.040
O.070
o . n s o
o.ni n
o.o vo
n.ni o
o»oinK
n.05
0.04
0.05
0.06
0.07
0..05
0.01
5
4
4
3s
0.4
0.8
1.4
O.9
-------
STn
-------
STDRFT RF.TPIEVAI. OATF 75/O9/1H
153003 13177M50
43 32 54.0 11* 47 57.0
SNAKE RIVER AT MASSING IDAHO
16 IDAHO
PACIFIC MOHTHKFST
CENTRAL SNAKE RIVER BASIN
1 1. 19C050 7111 704
? 0000 ME1F.R Dr.MTH
r>ATF
FROM
TH
73/06/21
73/07/03
73/n7/19
73/07/31
73/09/11
73/09/24
73/10/m
73/10/29
73/11/15
73/12/03
73/12/70
74/01/07
74/01/24
74/02/04
74/02/?.«
74/03/11
74/04/H
74/05/10
TIME nF.PTH
OF
OOOOH
I.AB
IMFNT.
OOO61 37711 3771H 37773
STREAM CHI.RPHYI. PHEDPHTN CHLHPHYI.
FI.MN. A IK; /I. A A Mf, /M?
DAY MFTFR NIIMKFW INST-CFS CORRECTD IIG/I.
OH
09
07
in
17
12
IS
1 3
OH
12
OH
1 2
17
7.1
10
1 1
20
OH
on
?n
3O
1 5
70
on
oo
75
45
IS
1 5
00
3O
oo
30
?j
no
15
oooo
onoo
ooon
onno
oooo
onno
nono
I10O
oooo
oono
nooo
onno
nono
oooo
oooo
oono
nono
75919
7791 9
?94 19
31919
^7919
3'-<4 1 9
47919
4441 9
46419
499 1 9
51919
791 l)
4919
64 1 9
99 19
11919
1591 9
19919
61 HO
54HO 37.65
55HO HO. 70
65OO
7970 35.51
971 0
9R60 106.50
9R60
1 1 30n
1 O9nn
1 1 9no
1 1 100
71 500
71 500
76700
35100
CDRRFCTO
1 .1H
0.64
0.00
1 • ft^»
n.oo
9.44
3.75
1.67
00605 00675
DRC, N TOT K.IEL.
N N
MG/L
0.530
0.530
0.790
0.730
1.700
0.730
0.350
0.440
0.630
0.590
0.720
0.5HO
MG/L
0.530
0.550
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0.750
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0.600
1 .040
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0.570
0.330
0.790
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0.460
0.670
0.610
0.740
0.600
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0.01 OK
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0.070
0.030
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0.030
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0.01?
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0.005
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0.006
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O.KHO-
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0.4HO
1.400
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1.200
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1.200
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0.5f.O
O.560
0.4OO
0.330
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STOBFT RHTKIFVAI. DATF 75/O4/1H
153003 !317?HbO
43 3? 54.0 IT. 47 57.0
SMAKE RIVFR AT MARSINR
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73/07/03
73/07/iq
73/07/31
73/Oq/l 1
73/Oq/>_6
73/10/1R
73/10/29
73/11/15
73/l?/03
73/12/P.O
74/01/07
74/01/24
74/02/O4
74/07. /2rt
74/03/11
74/04/11
74/05/10
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73/Oq/ll
73/Oq/24
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73/10/2q
73/11/1S
73/12/03
73/12/20
74/01/07
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74/O2/n4
74/02/2*
74/03/1 1
74/04/H
74/OS/10
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71/07/01
71/07/ 19
71/07/11
71/09/1 1
71/09/?4
71/10/lR
71/10/79
71/11/15
71/12/01
71/17/20
74/01/07
74/01/24
74/02/04
74/02/2R
74/01/11
74/04/11
74/05/10
TIMF OFPTH
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1. AH
I OFNT.
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09
07
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09
1ft
1 1
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71/07/19
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71/10/m
71/10/29
71/11/15
71/12/01
71/12/70
74/01/07
74/01/1 I
74/04/11
74/O5/10
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73/Oft/21
73/07/02
73/07/1R
73/07/31
73/09/11
73/n9/24
73/ln/lq
73/1O/24
73/11/15
73/12/03
•73/12/20
74/nl/n7
74/01/24
74/02/O4
74/07/2P
74/03/11
74/04/1 1
74/n5/in
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DAY MFTFR
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STOUFT BFTRIFVAI. rfATF 75/OU/18
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73/07/31
73/09/11
73/09/74
TIMF I1FPTH I AH
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MFTFR MIIMHFH
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14
73/07/07
73/11/15
73/17/03
74/01/07
74/01/24
74/02/04
74/03V11
74/04/H
74/05/10
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TOXH'HFNF.- HCHL><
MUD MUD
UG/Kf^ U(^/KG
21 11204
0000 HEET U5PTH
34^23
HCHL«-Ef
Mill)
L INDANr.
Mill) DKY
AKDCLUK
I2f>n MUD
0.4?
0.03K
0.06K
P.OOK
0.03K
0.03K
O.O3K
0.r>OK
^ 1
1H.OO
0,54
2.00K
0.03K
0.03K
0.0-<
O.SOK
4't'iO*.
4 * 4 r, f,
=> 1
1 1 -JO*,
1 t!4O*>
to
o
-------
STOrtFT CI-Tt<| FVAI. DATF YS/OS/70
IIPPFR
1533*0
43 34 00.0 111 41 00.0
SNiAKE lUVEK NF.Ak HFISc
1A IDAHO
PACIFIC MiJKTHWEST
UPPEK SNAKE
1119C050 211120*
?. 0000 l-EEf
DATF
F/0*>
73/OS/14
73/07/05
73/07/1 7
73/OH/o?
73/OH/21
73/0«/22
73/OH/23
73/0^/13
n/ 10/17
73/10/31
73/11/13
7'3/U/n*.
73/12/lK
7A/01/22
74/02/0*)
74/02/26
74/03/14
74/04/10
74/05/OH
TIMF HFkTH
OF
HAY F F M T
1«
1>
08
IS
l*<
10
20
10
12
17
12
1 2
08
30
10
4S
10
00
4S
10
40
tS
•ss
00
•JS
4S
4<5
00
30
30
?0
IS
30
30
0001
0001
oooi •
Ot)01
onoi
OdOl
onoi
oooi
oooi
oooi
oooi
OOO)
OOO 1
oooi
oooi
oooi
000]
oooi
oooi
0001
OOOOH 34330 34340 343SO 39 3ftO 34365 34370 343HO 3434O 34400
I.AK ALnrtiM BHC CHI.ROANE nno DDF uoj DIELUKIN tNii^iN TDXHHENE
IDf-MT. WH|. SM^I. WHL SMPI. WHL SMPL WHL SMP>L WHL SMfL WHI. SMP<. WH>_ Sl'iCi. WHL SM*"-- WM1- SMKL
M 1 ) M H P W
?0407
?3U()7
P'i'JO?
2 V407
?o4n7
31 407
34H7?
^4H /H
•^4g] q
37407
47407
4441)7
4>i407
444O7
S] WO 7
4407
*407
^4O7
1 1 407
1 ^407
14407
IIR/I. UR/L UR/L UG/L IIT,/L Uf,/L U(;/l. UK/'. H('/L
0.001K 0.001K O.OOSK 0.001K 0.001K 0.003K 0.001* U.070K O.OhOK
.
O.OOIK O.IWS 0.005K O.OOK 0.001 0.003K 0.00'IK O.OO^K O.OhOK
O.OOIK 0.f)O3 0.005K O.OOIK O.OOK 0.003K O.OOIK 0.002K O.OhOK
O.OOIK 0.007 0.005K O.OOIK O.OOIK 0.003K O.OOIK 0.00?K O.OhOK
-
CD
-------
Hf-TKIFVAI. nATF 75
IIPPFR SNAKF
IS31M)
41 14 00.0 111 41 00.0
SNAKE XIVF.K N6A« HF.ISE
1ft IDAHO
MAC I FTC NDKTHWEST
IJPfER .SNAKE
1119C050 2111204
? 0000 FEET
DATF
F^HNI
Tn -
71/OS/1S
71/0*>/0-S
71/0*,/1
71/07/17
71/OR/02
71/OH/21
73/OR/22
71/0«/?^
71/0
5S
OO
5S
4S
4S
oo
30
1C)
20
IS
30
10
DFPTH
FFFT
0001
OO01
ooni -
0001
OOO1
0001
OOOl
000]
OOOl
O(HH
OOO 1
OOOl
OOOl
OOOl
(inoi
nooi
0001
OOOl
OOOl
OOOl
OOOOH 19410 14420 1W7H2
3V50R
UAH Hf.H|_K HCHI.R-BM LINDAN6 AROCLOR
inFN'T. WHL SMPI. WHL SMCI. WHI. SMPI.
NllMUFrt UK/1. UR/I. llfi/L
?0407
21Q07
?S407
?7407 0.001K 0.001K 0.001K
?«407 O.OOIK O.OOIK O.OOIK
444O7
SI 407
44O7
>i4()7
44O7
11407
1 S407
14407
1260
I.IR/L
0.015K
0.015K
0.015K
0 . 0 1 5K
34333
ALDKIN
MUD
Ufi/KG
34343
BHf
.MUU
IJG /KG
193t>l
CHI.HDAME
MUD
iKi/Kf,
DIM)
Nlll)
111-,/Kfi
i 3936M
DDE
MUD
UU/Kl,
0.03K
0.03K
0.70K
O.4?
0.33
0.03K
0.03K
0.20K
0.01K
0.0*5
to
o
-------
WFTH1FVAI. DATF /5/u5/?o
1533*0
43 34 on.n ill 4i oo.n
SNAKE R1VFM NFAR HEISE
lh IDAHO
PACIFIC W.IKTHWEST
UfMF.R SNAKF
1U9C050 2111204
?. noon I-ERT
UcKTH
HATF
F4HM
TO
73/05/15
73/0«,/0>>
73/o*./i9
73/07/05
7^/07/1 7
73/08/02
73/OH/?l
73/HK/22
73/OH/23
73/09/13
73/10/17
73/10/31
73/11/13
73/12/0^
73/12/18
7^/01/22
74/0?/0*>
74/02/2*>
7^/03/14
74/04/10
74/05/08
TIMf OFMTH
OF
HAY FFFT
1 R
I1*
17
]H
13
10
1H
IS
14
1^
OH
15
I*.
1 0
20
10
1 2
17
12
12
08
30
I'l
45
10
00
45
10
40
15
55
00
55
45
45
00
30
30
?0
15
30
30
OOIH
0001
ooni
0001
0001
0001
0001
0001
0001
0001
OOOl
oooi
0001
oooi
oooi
00(11
oooi
oooi
0001
0001
OOOOM 3ll
I.AK nnr OIFLOKIN ENORIN TOXPHENE HCHLK HCHLK-EP LINIIANE AKUCLUK
[OFNT. MHO MHO Mill) MUD Mll(5 MUD Mill) IIKY 12hO Mill)
NMIMHPH HG/KO IIG/KG ur,/Kr, IJR/KR UG/KR IIR/KR .UR/KR IH,/K(,
?OWO7
?^-J07
?5S)07
?Vs)07 0.52 0.03K O.OhK 2.00K 0.03K 0.03K 0.03K 0.->OK
?9907
3)907
34H??
34H /H
^44l9
37907
4?uo7 0.10K 0.03K O.OhK 2.00K 0.03K 0.03K Oi03K' 0.50K
44907
t>iq()7
44Q07
5140V
4907
>.907
9907
11907
1 5907
19907
o
CO
-------
WFTWF^VAl. DATF Y5/05/?n
43 43 21.0 11? 05 03.0
SMAKE HIVFK 2 MI E OF
1* IDAHO
PACIFIC NOKTHWfiST
UPPER 'SNAKE KIVEtt HASIN
1H9C050 22111204
7. 0000 FEET
U6HTH
F1ATF
in
72/08/27
72/08/29
72/08/10
72/OH/ll
71/05/1S
71/0<>/O»!
71/0^/19
71/07/OS
73/07/l<>
71/OH/Ol
7i/oa/2l
71/OH/22
71/OH/21
71/04/ 11
71/ 1O/ 1*>
71/ 1O/11
71/11/11
71/12/0*,
71/12/lH
74/01/22
74/02/OS
74/02/2^
74/01/11
7^/04/09
74/QS/Ofl
TIMF DFPTH
HF
HAY FFFT
O9 IS
12
11
09
12
O9
12
14
O9
09
09
OK
1-S
19
11
1*>
14
11
OK
1 1
17
1 7
11
12
1 *>
1 S
10
1 1
l«
1.7
on
10
is
00
30
oo
10
10
00
?0
OS
IS
00
oo
10
2S
10
10
oo
?o
6.O
4S
4S
so
is
oo
30
10
30
oooi
OOOl
oooi
ooni
OOOl
OOOl
OOOl
OOOl
oooi
OOOl
oooi
oooi
oooi
noni
OOOl
oooi
oooi
oooi
noo i
oooi
OOOOrt 19130 39340 19350 393^0 39365 39370 39380 3939O 39400
l.AH • ALDKIN KHC OHl.RDANE DUO ODE IJUT OIELDKIN ENDKIN TDXHMENE
1I1FMT. WHL SMML WHL SMPI. WHL SMPI. WHL SMPL WHL SMPL WHL SMPL . WH'_ SNHI. WML SM>". WHL SMkl.
NIIMRFK ur,/L IIS/L ur,/L UR/L UR/L U«/L nr./i. HfiA. UG/L
M42
MO?
1*1497
*<14?
»i144
*,1^l
61M
*i17l
2040H
?14OH . •
?S4f)«
?740rt 0.001K 0.001 0.005K 0.001K 0.001K 0.003K 0.001K O.OO2K 0.060K
P440H
11 40rt
I^H I rt
1&H77
1441 H
1740H
A?4OH O.001K O.O03 0.005K O.OO1K 0.002 0.003K O.001K O.OO2K O.ObOK
i.44OH
^90H
444'M
S 1 4 0 8
49OS
640H
44O8
1 1 4 f ) «
15403
1 940H
CD
-------
1_ MATF 7S/OS/?O
SNAKF
41 43 21.0 11? OS 03.0
SNAKE KIVEK 2 MI E OH- K(1HE«TS
1* IDAHO
PACIFIC NOKTHWEST
UPPE* SNAKF KIVER ^ASIN
1119COSO 22111204
2 0000 t-ErT
OATF
FHHM
rn
72/OH/27
72/OR/29
72/OR/10
72/OH/l]
71/OS/lS
71 / 0*> /O*>
71/0*>/l9
71/07/OS
71/07/l*i
71/08/01
71/OH/21
71/OR/22
71/OR/21
73/O4/ 1 1
71/10/1*,
71/10/11
71/1 1/11
71/12/0*,*
71/12/lR
74/01/22
74/02/0*.
74/02/2*,
74/01/11
74/04/09
74/OS/OR
TIM
HF
PAY
O9
12
11
O4
1?
04
12
14
O4
04
04
OR
1 *>
1 9
H
I*.
14
H
OR
1
7
7
1
?
1*.
1 S
10
11
1 R
1 7
IS
00
10
IS
oo
10
oo
10
10
00
?0
OS
IS
00
00
10
?*,
10
10
00
20
40
4S
4S
SO
IS
0(1
10
30
10
nFPTH
FFFT
OOOl
oooi
oooi
000]
OOOl
oooi
OOOl
onni
oooi
oooi
oooi
OOOl
oooi
oooi
oooi
oooi
000 1
oooi
oooi
OOOl
OOOOH 34410
i. AH HC.HL«
I OFMT . WHI. SMPI.
NIIMRF-* llfi/L
*i!43
*,^4?
MO?
1*) 14?
M4<,
*ll*l 1
*,l*.l
*ii n
2O40R
? 1 4 0 H
?c'4f)n
?/40H O.OOIK
7440R
11 40R
14K 1 4
14H I'?
14418
174OH
4?40H O.OOIK
44~i()R
i^qilH
4940H
SI 408
44O8
*,M04
440H
1 14 OR
1 S408
1 440R
144?O
WHL SMPI.
197R?
LINOANF
WHI. SMPL
A«riCLOH
12*.0
19333
ALDHIN
MUU
39343
rtHC
hill)
343S1
MUD
IIUU
Mill)
343MH
DUE
MUD
O.OOIK
0.001K
0.015K
0.03K
0.03K
0.20K
0.1«
O.l1!
O.OOIK
O.OOIK
0.015K
0.03K'
0.03K
0.2OK
2.70
l.HO
ro
i~*
c:
-------
DATF
IS3299
A3 43 21.0 11? 05 03.0
SNAKF. HIVFR 2 MI F. OF R.IWF.RTS
liS IDAHO
PACIFIC NUKTHWEST
UPPER SNAKF RIVER BASIN
HHCOSO 22111204
2 0000 HfF.T
DEPTH
OATF
FROM
in
72/1H/27
72/08/24
72/OH/30
72/OH/31
71/OS/1S
73/OA/OA
73/O*./ 14
73/07/OS
71/07/1*.
71/OH/01
71/OH/21
71/OH/22
71/OH/?3
71/O4 / 11
73/1 O-/ 1 *>
73/ 1O/31
73/11/13
73/l2/f>*«
73/12/18
7A/01/2?
7A/n?/o<>
7A/0? /?*,
7A/O3/ 13
74./OA/O4
7A/O.S/O8
TI^F I
OF
'HAY
04
12
13
O4
1?
04
12
1 A
O4
OQ
09
08
1*>
1 y
1 1
1A
1 4
11
OH
1 1
17
1 7
1 1
1 ?
1*>
1 s
10
11
1 H
1 7
OO008 3V373 343H1 34343
34A03 39A13 39A23 397H3 .39 S 1 1
1FPTH I.AH OPT ntFlDWTN FMDR1N TOXPHRME Nf.HLH HCHI.R-EP LIMDAiME ARllC'-fl"
IDPNT. MUD MUD MUD
FFFT NIIM^PK IIK/KT, IJR/KR IJR/KR
IS
00
30
IS
oo
30
00
10
30
OO
2o
OS
IS
oo
00
30
7S
10
30
OO
20
AO
AS
AS
so
!•>
00
io
30
3D
MA^
>>3A?
MO?
3A447
MA>
MA^,
*,1^l
M^l
>i37l
OOOl 7O4OR
OOOl 71WOS4
OOOl 7S40H
OOOl 7740^ 0.73 0.03K 0.0*,K
OOfll ?440H
0001 i]4nt|
DOO 1 3^-H 1 A
OOOl 1AHV7
OOO] 3 Awl H
i /^n*
OOO] tp^r.H A. HO 0.10 0.06K
0001 /.'.uo-<
f)OOl A*i4O8
0001 44ur,c(
OOOl S 1 M)8
OOOl A^dS
OOOl AMlH
OOOl 44OH
OOOl 1 1 HllH
OOOl 1 S401
OOO 1 1 440H
MUD MUD MUD MUD DRY 12frO rtlin
UR/KT, IIR/KG KG/KG UG/M. llfi/Kfi
.
2.00K 0.03K 0.03K 0.03K O.bOK
2.00K 0.03K 0.03K 0.03K O.SOK
f
-------
i. DATF 7S/ns/?n
IIPPFR SNAKF
41 07 in.O 117 30 45.0
SNAKF. « 4T TILOEN HH
PACIFIC W1KTHWES1 ,
UPPER SNAKt KIVER BASIN
1114C050 611120^
2 0001 F-EF.T
DATF
FROM
m
72/OH/24
72/OK/24
72/OH/10
72/On/ll
72/09/24
72/1 1/07
72/12/27
71/05/14
71/o*,/07
71/0*,/1H
73/07/04
71/07/1*.
71/Ofl/Ol
71/OH/?2
71/OS/7*.
71/OH/77
73/04/13
71/10/17
73/11/01
71/11/1?
73/17/05
71/12/1K-
74/01/04
74/01/2?
74/02/01
74/07/25
74/01/1 1
74/04/04
74/05/OK
74/10/24
TIM
M|-
OAY
14
11
14
12
1 1
in
10
i *.
10
1 4
04
1 *,
10
04
18
04
07
10
04
!*•
10
10
13
O7
12
17
10
1 5
1 4
1?
12
1 *>
1*>
f r
l
15
20
70
OO
OO
55
OO
in
15
00
10
70
10
0')
OO
70
OO
in
10
50
OO
00
3O
75
45
15
00
10
45
50
55
50
">5
oooi
OOO 1
oooi
oooi
oooi
0001
oooi
0001
oooi
oooi
01)01
OOOI
oooi
ooni
onn i
ooni
oooi
oooi
ooo i
oooi
onoi
0001
O007
0003
0007
OOOOH
I.AH
I OFMT.
MIMHC*
5H 75
n?17
*>757
1/-J7
50
51/13
3504
70404
?3' 04
75404
7 7 4 0 9
74404
11 4O4
145O?
15503
155O*i
17409
47404
44^04
4*i404
44409
5 1 4O4
74O9
/.4O4
04O9
44O4
11 '104
1 H404
1 4<«04
4407M
44O79
440H9
44O40
34310 14340. 19150 191*,0 393*.5 39370 393HO 39140 3S400
•AI.OKIM HHC CHLRDAMF ono nnE DDT DIELDWIM ENDHIN TDXPHENE
WHL SMPI. WHL SMPI. WHL SMPI. WHL SMPL WHL SMHL WHL SMPL WHi. S^H1. WHL SMfi. WHI. SMPL
IIG/L MR/I. I1R/L DR/L UR/L Ufi/L • («'-/'. UR/'. UU/I.
*
O.OOIK O.OiS7 0.005K 0..001K 0.00? 0.007K 0.001 0.007K 0.060K
O.OOIK 0.004 0.005K O.OOIK 0.001 0.002K 0.004 0.007K O.Of.OK
O.OOIK 0.004 0.005K 0.001K O."001 0.007K O.OOIK 0.007K O'.OhOK
O.OOIK O.OOIK 0.005K O.OOIK O.OOIK O.OOIK O.OOlrt 0.002K 0.060K
O.OOIK 0.004 0.005K O.OOIK 0.002 0.003K O.OOIK O.OO7K O.OfcOK
0.001K 0.003 O.O05K O.OOIK O.OOIK O.OOIK O.OOIK O.OO2K O'.ObOK
O.OOIK 0.007 0.005K O.OOIK O.OOIK 0.003K O.OOIK 0.007* 0.060K
-------
STOtfFT HFTHlirWAi. nATF 7S/n5/?0
IS0047
4? 07 30.0 112 30 45.0
SNAKE R AT TTLOEN BR
I ft IDAHO
PACIFIC NMHTHWEST
'SNAKF RIVFR BASIN
OATF
FROM
rn '
72/OH/24
72/OH/29
72/08/30
72/OH/31
72/09/2«
72/11/02
72/12/27
73/OS/14
73/0*/07
73/0^/18
73/07/04
73/07/1*
73/nfl/Ol
71/OX/22
7^/on/2<.
73/OH/27
73/09/13
73/in/17
73/ll/ni
73/11/12
73/12/05
73/l2/l«
74/O1/O9
74/01/22
7«./n?/o*>
74/02/2S
74/03/13
74/04/09
74/05/OH
74/10/24
TIM
PIF
OAY
14
13
14
1?
11
10
10
1*
in
19
09
1 *
10
04
1 K
09
07
10
O9
1 *
in
in
13
07
12
17
in
1 s
14
12
12
.1*
1 *>
F
15
20
20
00
no
55
00
30
15
00
30
2O
30
OO
no
2O
no
30
^n
so
no
no
3n
?5
45
IS
on
30
45
SO
SS
50
SS
OFPTH
FFFT
onoi
onni
noni
onni
OOOl
onni
onni
onni
onoi
onni
OOOl
onoi
ooni
nnoi
nnni
o noi
onni
nnni
0001
OOOl
onni
ono^
OOO7
ooni
nno7
1119C050 Ml 1204
2 OOOl FEET UEfTH
onnort 39410 394?0 397H? 39508 39333 39343 39351 39363 3936ft
LAB ' HC.HLR HCHLH-FP LJNDANF ARDCLOR ALDRIN BHC CH'.RUANE DUD OOE
lOFNiT. WHL SMPL HHL S*1PI. WHL SMPL 12M) MUD Mill) MUD MUD WJI)
NIIMHPK UR/L UP,/L UR/L UR/L Ufi/KR IIG/KG UR/KG UU/KR Ufi/Kii
S«75
*>'m
*757
V/97
SO -0.001K O.OOIK O.OOIK
S103 O.OOIK O.OOIK O.OOIK
1SO4 O.OOIK O.OOIK O.OOIK
20904
2^909
2S9O9
27V09 O.OOIK O.OOIK O.OOIK 0.015K 0.03K 0.03K 0.20K 1.16 l.H
?49n9
31MT9
34-^0?
35Sn3
issn<,
^7"4!I9
4?404 O.OOIK O.OOIK O.OOIK O.O15K 0.03K 0.03K 0.20K 0.51 0.5
444O9 0.001K O.OOIK O.OOIK 0.015K
/.*>^09 O.OOIK O.OOIK O.OOIK 0.015K
444O9
51 9O9
?909
4909
>i4O9
4909
1 1409
1 5^:14
1 4404
9 <-> O 7 •<
94079
44O49
94O90
CO
-------
STrNFT
IIPMFW SMAKF
I. DATF 75/O5/7O
150047
4^ 07 30. 0 11? 30
SNAKF H AT TILOFN
f. IDAHO
PACIFIC NORTHWEST
UPPER SNAKF RIVER
45.0
HR
OATF
FROM
Tn
72/OR/24
72/OR/24
72/OH/30
72/OR/31
72/04/2H
72/11/02
72/12/27
73/05/14
73/06/07
73/06/JR
73/07/04
73/07/1*.
73/OR/Ol
73/OR/22
73/OH/26
73/OH/27
73/09/13
73/10/17
73/11/01
73/11/12
73/12/05
73/12/1R
74/01/09
74/01/22
74/02/0*,
74/02/25
74/03/13
74/04/09
74/05/Ofl
74/10/24
T IMF OF. PTH
OF
DAY
14
1 1
14
12
1 1
10
10
l*>
10
14
04
1*.
10
04
Ifl
09
07
10
09
l*i
10
10
13
07
12
1 7
10
1 5
19
12
12
1*.
16
IS
70
70
00
00
55
00
30.
1 .
00
30
70
30
00
00
20
00
30
30
50
00
00
30
25
45
15
00
30
45
50
55
50
55
FFFT
OOOI
0001
0001
0001
OOOI
0001
0001
0001
0001
oooi
oooi
oooi
oooi
oooi
oooi
oooi
oooi
oooi
oooi
0001
oooi
0003
0007
0003
0007
1119C050 M11204
2 0001 hfcET DEHTH
OOOOK 34373 393H3 ^9 39 1 39403 39413 39423 H97H3 39511
I.AIA DOT OIFLD^TN ENDRIN TCIXPHPNE HCHLR HCHLR-SP LINI>A\E AKiir.'.nw
IDFNT. wijn Mim MHO MUD MUD MUD MUD DKY 1260 MUD
NIIMHFP lia/KG ljr,/KG IIR/KG IIG/KG UG/KO UK/KG UG/Kli IKi/Kd
5H75
1717
• 1757
6797
50
5101
3504
7CIM09
73404
75909
27409 1.03 0.03K O.OftK 2.00K 0.03K 0.03K 0.03K' 0.50
74409
3) 409
14505
35503
35506
17409
47404 0.41 0.03K O.OlSK 2.00K 0.03K 0.03K 0.03K O."50
44409
46404
44409
51 404
74O9
44O9
6404
0404
1 1 409
1 5404
) 44O9
44O7R
99079
440H4
49040
-------
STCHFT RFTKievAI.- DATF 7<>/O«i/?0
IIPPPP SMAKF
1S3?H1
43 02 04.0 112 37 20.0
Mf. TDCKFR SPHINf;
1* IDAHO
PACIFIC NIIRTHWFST
IIPPF.R SNAKF RIVFR HASIN
2
0000 KEGT OEfTM
DATF
FRUM
TO .
72/OH/27
72/OH/29
73/0^/07
73/O*)/lH
73/07/04
73/07'/l'>
73/OK/01
73/09/12
73/10/17
73/U/Ol
73/11/12
73/12/l«
74/O1/09
74/01/22
74/O2/O*.
74/02/2S
74/O3/13
74/n4/09
74/OS/Ofl
T1MF OFPTH
ni-
OAY FCFT
IS
is
09
?0
09
17
11
21
1 1
10
17
10
IS
o«
13
1*>
1 1
I*.
20
30
ss
4O
10
IS
30
3O
3n
3
3O
30
30
10
IS
30
4S
OO
00
30
OOOl
OOOl
OOOl
OOOl
OOOl
ooni
oooi
ooni
OOOl
onni
OOOl
OOOl
onoi
onni
OOOl
onoi
I.AH ALDR1N
inFNT. WHL SMPI.
MIMHFO Hfi/L
•*i31 7
*>7??
• ??Ml 0
?S«<1 0
?7S1 0
2M41O
31^10
37M10
4?^ 1 0
4401 0
4«>
-------
STn-tFT
\i. OATF 7S/OS/70
SMAKF
DATF
rn
77/OA/27
72/OH/29
73/06/07
73/06/1R
73/07/04
73/07/16
73/OB/01
73/09/1?
73/10/17
73/11/01
73/11/12
73/12/lH
74/01/09
74/01/22
74/02/06
74/02/2S
74/03/13
74/04/09
74/OS/OB
T I MF OFPTH
flF
OOOOM
1. AR
OAY FFFT KHIMUFR
IS
IS
09
?o
09
17
1 1
21
1 I
10
1 7
10
is
OH
1 3
16
1 1
16
2'n
30
ss
40
10
is
30
30
30
30
30
30
30
10
IS
30
4S
00
00
30
OOOI
oooi
onoi
oooi
0001
oooi
0001
oooi
0001
oooi
oooi
oooi
0001
oooi
0001
0001
61 1 7
67??
73l 0
S1910
791 0
4910
691 0
9910
11^10
1S910
1991 0
1S32«1
43 02 O4.0 112 37 70.0
MC TUCKER SPUING
16 IDAHH
PACIFIC NUKTHWFST
UPPER SNAKF RIVFR BASIN
1119C050 2111204
7 0000 t-EET DFPTH
WHL SMPI.
HT.HLR-FP
WHI
LiMOANF
WHI. SMPL
AKDCurH
1760
UG/L
39333
ALDR IN
MHO
UG/KG
39343
HHC
MUD
UG/KG
CH'_ RHANE
Mllll
,UG/K(,
393 63
DUO
HUD
DUE
MUD
-------
STfHFT RFTHTF.VAI. DATF 7S/OS/7I1
IS32HI
43 0? 04.0 11? 37 ?0.0
MC TIICKFH SPUING
I* THANH
PACIFIC NI")HTHWEST .
IIPPFH SNAKF «!VE« HASIN
DATP
FROM
rn
72/0«/27
72/OR/29
73/0«,/07
73/O«>/lR
73/07/04
73/07/l*>
73/Ofi/Ol
73/09/12
73/10/17
73/11/01
73/11/12
73/l2/l«
74/01/09
74/01/22
74/02/06
74/0?/2S
74/03/13
74/04/09
74/OS/OH
TIM
np
OAY
,«;
IS
09
20
O9
17
1 1
21
11
10
17
10
] S
OH
13
1*1
1 1
1*>
Jl 0
29910
31 <->! 0
37410
479 > 0
44910
4S91O •
S 1 9 1 0
291 0
4910
*>4l O
9-JlO
ll-Jl 0
1S910
1991 O
to
-------
YS/OS/?O
SNAKF
153292
4? 00 00.0 11? 00 00.0
SPvilN'i CKFFK AT RHONCD
IX IDAHO
PACIFIC NORTHWEST
IJPPFR SNAKF KIVFK RASIN
1119C050 22111204
•> 0000 i-EET
DEPTH
OATF
FUI1M
rn
72/OH/27
72/OH/29
72/OH/30
7? /OH Ml
73/0*,/07
7i/o*,/ IH
73/07/04
73/07/lS
73/OH/01
73/09/1?
73/10/17
73/11/O1
73/11/12
73/12/05
73/l?/lH
74/O1 /OH
74/01/21
74/0?/0<>
74/02/25
74/03/13
74/O4/O9
74/05/09
7A/0*i/ 19
74/07/02
TIM
ni-
OAV
1 ?
12
1 3
1 1
OH
1 7
OH
1 S
09
1 9
1 2
1 1
IS
OH
OH
12
1 7
1 1
1 9
09
14
OH
14
13
P
,s
IS
15
?o
40
35
30
IS
OS
40
30
3O
311
45
3O
IS
4S
45
OO
00
4«>
OO
40
10
OFPTH
FPFT
oooi
0001
000)
0001
0001
oooi
oooi
OOOI
oooi
oooi
oooi
oooi
oooi
OOOI
OOOI
0001
OOOI
0001
OOfiOH 3933O 3934O 39350 393ftO 393*5 39370 393HO 3939
i.AK AI.IW1N RHC CHLROANF ODD DDE I1I)T Ulr'.DKIN ENDHl
IDFMT. WHI. SMPI, WHL SMPI. WHL SMPI_ WHI. SMPL WHL SMPL WHL SMHL -WHi. SMPL WHI. SM
MIMHFJ nr,/i. ur,/L IIR/L ufi/L nfi/L U(i/i. UU/L IK,/L
*,31A
s^l s
*i37?
<>3?H
?^9 1 1
?S91 I
77911
?9Hl I
31 91 1
3791 I
4?m i • •
4491 I
4*141 1
4991 I
S191 1
79) I
491 1
*i9\ I
991 1
1 19U
1 591 1
1 9911
?5*>?9
77*>7'i
39400
WHI. SMK-L
cs?
-------
STHRFT P.FTRIFVAL OATF 7S/OS/PO
IIPPF* SNAKF
IS329?
A? oo oo.o ii? no oo.o
SPKINP, CWFFK AT WRONG') ROAD
1* IDAHf)
PACIFIC NOKTHWF.ST .
UPPER SNAKE RIVER BASIN
1U9C050 22111204
? 0000 FEET
IIEPTH
HATE
TO
72/08/27
72/08/29
72/08/30
72/08/31
73/0*1/07
7^/0'i/lfl
73/07/04
73/07/1A
73/08/01
73/04/12
73/10/17
73/11/01
73/11/12
7^/12/OS
7^/12/18
74/01/08
74/01/21
74/O?/O<>
74/02/2S
74/O^/ 1 3
74/O4/04
74/HS/O9
74/OA/ 14
74/07/0?
OOOOH
TIMF (1FPTH LAR
HF IOFWT.
RAY FF.F.T MIMHFK
12 IS *,-»!
12
13
1 1
08
17
O8
IS
O4
1 9
12
1 1
IS
OH
OH
1 ?
17
1 1
19
O4
14
e°R
14
13
is
IS
2O
40
3S
30
IS
OS
40
30
30
30
4S
30
IS
4S
4S
on
00
4S
00
40
10
0001
0001
OO01
ooni
0001
0001
nooi
0001
onni
0001
noni
onoi
0001
onni
onni
onni
0001
ooni
*>31
*>3?
2^41
?S4l
?74l
?491
^14-
•^791
4?4l
4i.41
4*>4 1
4441
S141
?4l
441
*.4l
941
1 141
1 S41
1441
75l?
?7*>?
39410 39420 397R2 34508 39333 39343 ^931>1 393ft3 39368
HCHLK HC.HLK-FP 'LINDANE AROCLOK ALORIN BHC CH'.ROANE DUO ODE
WHL SMPI. WHL SMPI. WHL SMPI. 12*.0 MUD MUU MDIJ MJO MUO
IIR/I. IIG/I. IIR/L UG/L UG/KG UG/KG , UK/KG UG/KG UG/KG .
*
ft
?
ft
I
I
I
1
I
1
j_ i
i
i
i
i
i
i
i
i
i
i
i
9
*
-------
MCTW l
l. OATP 7S/OS/7O
15124?
4? 00 00.0 11? 00 00.0
SLUING CHFFK A.T KHONCO KUAII
is IDAHO
PACIFIC MOKTHWEST
uppe* SNAKF RIVFR HASIN
1H9C050 22111204
? 0000
OOIM1M
OATP TIMC nPkTH i. Ax
FuriM
rn
77/OM/2 7
72/OH/24
72/nn/l<>
72/OS/11
71/OS/07
71/OS/ 1H
71/O7/04
71/07/1*1
71/00/01
71/04/ 12
7'1/10/17
71/11/01
71/ll/U
71/12/OS
71/12/1«
74/01 /OR
74/01/21
74/02/OS
74/02/7. S
74/O1/11
7t/f14/04
74/OS/O"
74/0»>/ I 9
74/07/02
OF
HAY
12
1 7
1 1
1 1
OH
17
OH
IS
00
1 4
12
11
] S
OH
OH
1 2
1 7
1 1
1 9
O4
14
flH
14
11
f
IS
IS
1 S
?o
4O
IS
10
is
OS
4O
10
10
10
4S
10
IS
4S
4S
00
OO
4S
00
40
10
-tri
! OPMT.
MIIMHF*
Ml
14171 141H1
00 T D1FLDKIN
MHO MUO
iir,/Kr; nr,/Kt;
ft
MIS
oooi
oooi
oon i
oooi
oooi
oooi
(11101
oooi
oooi
000)
oooi
oodi
oooi
oooi
oooi
OOO]
oooi
0001
?l4l
?Su)
?74]
244)
1] 4]
1741
4741
44M1
4<^ 1
4^sil
SI 4)
241
44)
s^l
W4 1
1 141
1 Sw]
1441
7S*>?
?7*>?
2
H
1
I
1
I
1
I
1
I
1
I
I
1
1
I
1
I
1
1
q
IS
1P403
TDXPHFNF
MHO
14413
HCHUk
MUD
34423
ur,/Kr;
MUD
i in /KG
L 1NDANE
.MUD DKY
.14 S 1 1
AKIICUtK
1260 Mill)
to
ro
c;
-------
I.- OATF
SNAKF
IS1?87
4? 54 46.0 11? 31 1H.O
.SPKNI; M HDWUAMOS IJAIMY-PUCATF.'.'_(I
16 IDAHO
par. i pir, NINTHWFST
UPPF.P SNAKF KIVE8 «ASIN
1U9C050 ?lll?04
? 0000 HEFT DEPTH
nATF.
in '
72/0«/?8
72/OH/29
7?/OH/1O
72/08/31
73/0*>/07
71/0^/18
71/07/04
71/07/1*.
71/OR/01
71/O9/12
71/10/17
71/11/01
71/11/12
71/12/04
71/12/17
74/01/08
74/01^1
74/02/0«i
74/02/2S
74/01/12
74/O4/O9
74/OS/07
TIME DFPTH
Oh
DAY FF.FT
12
1?
04
09
11
IS
07
11
OS
18
11
13
14
1 H
1*
1 1
1*.
in
IS
18
li
21
IS
IS
4S
45
SO
in
4S
oo
s
00
00
so
4S
so
oo
on
10
is
10
30
10
4S
ooni
0001
0001
0001
0001
0001
0001
onoi
onni
nooi
onoi
onni
onni
0001
nnoi
OOOl
nnni
OOOOM 14110 14140 14150 19 3*iO 193*5 3O370 193HO 34.490 3S400
LAH ALDKIN HHC r.HI.RRANE DDD DOF UIJT . UIFLOxIN ENDkIM TUXKHENE
IOFMT. WHI. SMPL WHL SMPI. WHI. SMPI. WHL SMPI. WHL SMPL WHi. SMPL WH. SMP'. WHL Si"!"'. WHL SMPI.
>>111
>i7?H
^^ts
*iHf)H
?141 ?
PS41 ?
2741?
?V41 ?
1141?
1 ~l 4 1 ?
4?41 ?
4441 ?
4A,^1 7
444] ?
SI 41?
?4l ?
441?
*>41 ?
441 ?
1141?
1S41?
1441 ?
ro
ro
-------
STfNFT
i. OATP 75/U5/7O
OATF
FHflM
rn
7?/oa/2«
72/OH/29
72/OB/10
72/OH/ll
71/O*>/O7
7i/o*>/ IH
71/07/O4
71/07/1*,
71/OM/O 1
71/04/ 12
71/10/17
71/U/Ol
71/11/12
71/ 12/O4
71/12/17
74/Ol/OR
74/01/21
74/02/05
74/02/25
74/01/1?
74/04/04
74/05/07
T IM
np
HAY
12
12
OQ
O4
1 1
1 5
07
11
O5
1H
1 1
11
14
IH
«,
1
5
0
5
IK
1 1
21
P
15
15
45
45
50
10
45
00
50
00
00
50
45
50
00
00
10
15
10
10
10
45
DPPTH
FFFT
OOOl
ooni
OOOl
OOOl
0001
OOOl
OOOl
OOOl
OOOl
OOOl
OOOl
OOOl
OOOl
tinoi
OOOl
OOOl
OOOl
1532H7
4? 54 4A.O 112 31 IH.O
SPUNK a HOLLANDS IIAIKY-PDCMFLU
IA IDAHO
PAf.IFIC NOKTHWF..ST
IIPPF« SNAKF KIVFH HASIN
1114C050
(moon
L AH
I DF.'-iT.
Ml IMH f-a
14410
Hf.HI.R
WHL SMPI.
II G / 1.
144?0
HCHLK-FP
UIHI. srfpi.
i ir, / L
19 7H?
L 1 N n A M F
WHL SMPI.
ur,/i_
2
1950H
ARMCLOU
12*0
UR/L
14333
ALDKIN
MUD
IIG/KG
211
0000
39343
KHC
Mill)
UG/KR
1204
FEF.T UFPI
.-19 351
Crt'.WUAiNE
HUD
,lir,/KG
FH
393
-------
iTHSFT RKTrtJFV/ftl. HATF 75/OS/PO
OATF TIMF DFPTH
F^flM 'IP
TH MAY FFFT
1512H7
'A? -54 4A.O 112 M IH.O
SPKMfi ii> WOWLANOS DATHY-POCA1 F.M.IJ
1A tt>AH(l
PACIFIC NOKTHWF.ST
UPPF.i? SNAKF. «IVEM HASIN
1114C050 2111204
2 0000 t-EFT D
OOOOK
LAB
DFNT.
IIIMHFW
3V1V1
• nor
Mill)
IIR/KK
14^M1
DTFinxlN
Mllf)
llf,/KR
19191
F.NOKTN
MUD
urc/Kfi
34401
TOXPHF.NF.
MUD
Ufi/Kfi
39413
HCHLH
MUD
Ufi/Kfi
14473
HCHI. H-E^
MUD
IJR/KG
197H3
\. IM1A.ME
MUD DKY
' Ufi/KG
>4 S 1 1
AkUCLOK
1260 MUD
U(i/Kr,
72/OH/24
71/07/1*)
71/OR/01
71/04/12
71/10/17
71/11/01
71/11/1?
71/17/17
74/01/21
74/01/12
1?
12
04
f)4
11
1 S
07
1 1
OS
I ri
11
11
14
1H
1*>
11
\^
10
IS
1»
1^
21
is
35
AS
45
SO
10
45
00
SO
OO
oo
so
45
SO
OO
oo
10
1 s
10
10
10
45
OOOl
oooi
oooi
oooi
oooi
oooi
oooi
oooi
oooi
oooi
oooi
oooi
000 I
oooi
oooi
oooi
oooi
4441 7
5141?
441?
4417
1 1 ^l ?
15417.
1 441 ?
-------
RFT«II=VAI_ OATF 7s/os/2i
MPPEM SWAKF
IS004«
40 07 40.0 112 30 30.0
Kl.ACKFIinT H AT
PACIFIC MORTHWFST
I1PPR>< SNAKF RIVRR HASIM
1114COSO 2111204
nnnnn
riATF
FartM
rn
72/OH/29
72/OM/30
72/04/31
73/OS/14
7 1 / 0*i / 0 7
73 / Oft / 1 R
73/07/04
7^/07/lft
73/OH/01
73/14/12
73/11/17
73/U/11
73/11/12
73/I2/1S
73/12/lfl
74/11/1R
74/01/2!
74/02/nft
74/12/2S
74/13/13
74/04/14
74/OS/OQ
74/Oft/14
74/n7/12
T IM
IIP
OA Y
1 2
14
1 1
17
10
1 ^
10
IS
10
20
in
1 1
i *>
OQ
04
13
1«
12
1 fl
O4
1 S
07
14
1I=PTH
oooi
nnni
nil
1011
nil
oooi
oooi
oooi
0001
oooi
0001
onni
nnoi
001 1
1001
nini
nooi
1111
1. AH
I DFVT .
MIIMH^W
ft71
'>7'i
674
2^41
2S41
2741
2441
3141
*74l
4241
44U1
4*14 1
444)
SI 4]
241
441
*)41
441
f.
i A
1
3
•>,
^
3
3
3
3
•}
•^
3
3
3
T
3
3
2 0001 HEHT HFpTH
19330 3P340 3Q3SO 343ftO 343^5 34370 343HO 34 3SO 34400
Ai.llKIM HHC f-.HI.WnANF 0011 DOt DDT DltLllXTN fcNIJKlN TDXPH6NE
WML SMPI. WHL SMPI. (JHI. SMPI. WHL SMPI. WHL SMPI. WHI. SWPI. WHi. SMPI. UN. SMP1. WHL SMPI.
ur,/i. IK;/L IIG/L \>C,/L UR/L UG/U .IK;/'. ut;/i. ui;/'.
O.II01K 0.004 0.005K n.OOl 0.001 0.003K 0.001 • 0.002K 0.060K
11413
1 S4]
1 441
3
3
2S^2ft
oooi
27ft2
S
N
O.HOIK- 0.120 O.OOSK 0.001K 0.001K 0.003K 0.001K O.OO^K 0.060K
to
to
-------
HFTKIFVAU rjATF 7«>/OS/?O
SMAKF
15004K
AD 07 40.0 11?
Hl.ACKFOOT H AT
1ft IflAHf)
PACIFIC NIIHTHWFST
IIPPF.R S'NAKE KIVF.R
H1WC050
?
HO HO.O
MOUTH
BASIN
?111204
0001
F*HM
TO
72/OH/29
72/08/10
72/OH/ll
71/05/14
71/0*,/07
71/0*,/1H
71/07/04
71/07/1*)
71/OH/01
71/09/12
71/10/17
71/11/01
71/11/12
71/12/05
71/12/lH
74/ni/OH
74/01/21
74/02/0*)
74/O2/25
74/01/11
74/04/09
74/05/09
74/0*>/19
74/07/02
TIMF IJFPTH
OF
OOOOH 1941(1 394?0
l.ftH ' Hf.HI.K hC.HI.K-FP
IDF.MT. WHL SMPI. WHL SMPL
•OAY FFFT MIIMHFM IIR/I. IIR/I.
12
14
11
17
10
1H
10
1 5
10
20
10
1 1
1 *«
OQ
09
11
1 M
12
1ft
09
15
07
14
12
50
00
4O
00
55
OO
10
45
00
20
00
OO
00
15
15
no
20
no
OO
15
00
OO
10
15
oooi
oooi
onoi
oooi
oooi
onoi
oooi
oooi
oooi
oooi
onoi
oooi
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oooi
oooi
oooi
oooi
oooi
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171*.
*i 7 S f^
f~i~? *-i*t
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?191 1
?591 1
991 1
11911
1*5911
1 991 1
2517*. O.OOIK O.OOIK
?71?5
3950H
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lir,/L tir,/L
39333
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39343
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MllU
CW. HflANc
. Mill)
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MUD
0.0.01K
0.015K
0.03K
0.03K
0.2()K
0.94
I. 30
0.001K
O.O15K
to
-------
STfUPT
IIMPPX SNAKF
. TIATF 7S/OS/70
DATF TIMF. DFPTH
FR(1M DF
TH 'OAY FPFT
MltllOH
LAW
77/OH/29
72/OH/K1
72/OH/ll
71/OS/14
71/O*,/07
71/0*,/lfi
71/07/04
71/07/1*.
71/OR/O1
71/04/12
71/10/17
71/11/01
71/11/12
7V12/OS
71/1'2/1«
74/01/Ofl
74/01/21
74/02/0*.
74/02/2S
74/01/11
74/04/09
74/OS/09
74/0*./l9
74/07/02
12 SO
14 0')
1 1 40
1 7 00
1 0 SS
1 H 00
10 in
is /. s
10 f)i,
70 70
10 00
1 1 00
1*. 00
09 IS
09 IS
11 00
1 H 70
12 oo
1 h OO
OP IS
IS 00
07 00
14 10
12 IS
oooi
0001
oooi
oooi
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0001
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oooi
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0001
0001
0001
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0001
0001
0001
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17411
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4441 1
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77*>?S
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40 07 40.n 11? 30 30.0
HI.ACKFUI1T tf AT MIHI1H
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1U9C050 21112.04
2 0001 f-E6l
14171
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141H1
niELOKIw
MUD
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19141
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MI in
MR/KG
1P401
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14413
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19423
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MUD IWY
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0.11
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0.06K
7.00K
0.03K
0.03K
0.03K*
O.SOK
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ro
-------
STflSPT
I1ATF /5/O5/7O
15001H 13075909
4? 5ft 10.0 11? 32 30.0
PMrtTMRUF H AT SlfHHN 40 HK
1-S IDAHO
NflKTHWEST
S'NAKE KTVER HASIN
0001 HFFf DEPTH
OATF
TO
7?/OK/27
72/OH/2S
72/OM/11
72/04/2*.
72/10/11
72/12/27
71/05/14
71/0*,/07
71/O*i/ 1M
71/07/O4
71/O7/ l^i
71 /OH / 0 1
71/O«/22
73/OH/2*i
71/OH/27
71/O9/12
71/04/25
71/10/1 7
71/11/01
71/11/12
71/12/04
71/ I?/ 1 7
74/oi/nH
74/01/21
7^/02/0*,
74/02/25
74/O1/ IV
7A/O4/O4
7A/05/07
TIMF UFPTH
OAY FFFT
11 00
1 3 00
OH 45
04
14
IX
1 H
11
12
15
07
1?
0*
10
1 7
10
1 H
?0
1 3
1 1
14
1 «
1 *!
10
1 7
u
15
19
14
21
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15
50
?O
10
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10
on
15
?0
10
45
00
10
OO
10
20
15
10
30
OO
OO
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oo
00
oo
15
oooi
oooi
oooi
0001
oooi
ooni
oooi
ooni
oooi
oooi
ooni
ooni
or 10 i
onoi
ooni
onoi
oooi
oooi
ooni
oooi
ooni
0001
OOOOH 14110 34140 14350 391/SO 393f>5 39370 143HO 39390 39400
l.Art ' ALHRIM rtHC CHI.WOANE DDO DDE DDT 1)1 F.I.IH IN ENOKIM TUXPHENE
IOFNT. HHI. SMPI. WHL SMPI, WHU SMPI. WHL SMPI. WHU SMPI. WHL SMPI. .WH. SMJ»I. WHI. SMK'. WMI. SMPL
MIMKCH nr,/i. IH;/L nr,/i_ UG/L IIG/L UG/L ur;/i. IIGA. iir,/i.
1147
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51
5101
1507
2041 I
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754l<,
7 7 w* 1 4
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11414
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15505
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4441 4
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4441 '»
51414
7914
441 4
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11414
1 541 4
14414
0.005K 0.005K 0.0?5K 0.005K 0.022 0.010K 0.02H 0.010K 0.300K
0.002K 0.01? 0.010K O.OD2K 0.00? 0.004K 0.002 0. OO4K 0.120K
O.OOIK 0.003 0.005K O.OOIK 0.005 0.009 O.OOIK 0.002K 0.060K
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•
•
O.OOIK 0.002 O.OOIK O.OOIK O.Q03 0.003 O.OOIK O.OOIK 0.0*>OK
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O.OOIK 0.001 0.005K 0.003 0.00? 0.039 O.OOIK O.OO2K 0.060K
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STTIRFT ReTRIFVAI. RATF 75/O5/70
15001M 130759O9
47 5* IO.O 11? H? 30.0
PfluTNFlJF K AT .SIPHON HI) KK
i A IDAHM
PACIFIC MUftTHipJESI
IIPPFK SNAKE ttlVFR BASIN
IU9C050 21117.04
7 0001 HEFT
DEPTH
OATF
FROM
Tn
72/OB/27
72/OH/2R
72/OH/29
72/OH/IO
72/OH/11
72/09/2A
72/10/1)
72/12/27
71/05/14
71/0*)/07
71/O^i/lB
73/07/04
71/07/l-S
71/OH/01
71/OH/22
71/OR/2*>
71/08/27
71/09/12
71/09/25
71/10/17
71/11/01
71/11/12
71/12/04
71/12/17
74/Ol/OH
74/01/21
74/02/0^
74/02/25
74/01/12
74/04/09
74/05/07
TIMF DFPTH
HF
HAY FFFT
11
11
09
OH
O9
14
12
1H
11
12
1*
07
12
0*i
10
17
10
1H
20
11
11
14
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1*1
10
17
11
15
19
14
21
00
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45
45
00
15
5O
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10
05
10
00
15
20
10
45
00
10
00
10
20
15
10
30
00
00
00
00
00
00
15
Tool
OOOl
OOOl
OOOl
OOOl
0001
OOOl
OOOl
OOOl
OOOl
OOOl
OOOl
OOOl
OOOl
OOOl
OOOl
OOOl
OOOl
OOOl
OOOl
OOOl
OOOl
OOOOH 19410 19470 197P2 19 508 39333
I.AH HCHI.K HT.HLX-FP LTMDAMF. ARDCLOK ALDKIN
IOFNT. WHL SMPI. WHI. SMPI. WML SMPL 12ftO MUD
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670?
Ml?
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M47
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51 O.005K O.O05K 0.071K
5101 0.007K 0.007K 0.002K
1507 O.OOIK O.OOIK O.OOIK
7041 I
71914
75-.H4
7V414 O.OOIK O.OOIK O.OOIK 0.015K 0.0
?9^ 1 4
1 1 9 1. 4
14501
1 5 5 0 7
15505
1791 4
19914 O.OOIK O.OOIK O.OOIK 0.015K
47914 O.OOIK O.OOIK 0.00? 0.015K 0.0
44914 O.OOIK O.OOIK O.002 0.015K
4»,014 O.OOIK O.OOIK O.OOIK 0.015K
49914
51914
. 7914
491 4
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991 4
1 1914
1 5914
19914
39343
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MUD
39341
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UG/Kfi
0.03K
0.20K
1.12
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0.39
0.20K
3.10
1.30
ro
ro
00
-------
STHBFT PHTRIFVAI. PATF 7S/OS/7O
SWAKF
•ISOOIH
4? 5ft 10.0
pnnTNFIJF K
1/s
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FROM
TO
72/OH/27
72/OH/2R
72/OR/29
72/OR/10
72/OH/11
72/04/2ft
72/10/11
72/12/27
71/05/14
71/Oft/07
71/Oft/ 1R
71/07/04
71/07/ 1*>
71/OR/O 1
71/OH/72
71/OR/2ft
71/OH/27
71/09/ 1 2
71/09/2S
71/10/17
71/11/01
71/11/12
71/12/04
71/12/17
74/01/08
74/01/21
7i./O?/Oft
74/O2/2S
74/O1/12
74/ 04 /O9
74/OS/O7
TIMF
np
DAY
,:$
11
O9
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04
1 4
12
1R
1 1
1 2
1 ft
07
12
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10
17
10
1 H
20
11
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14
IW
1ft
10
1 7
1 1
15
19
14
21
00
00
4S
4S
00
15
SO
20
10
OS
10
OO
is
20
ID
45
00
10
00
30
70
IS
10
10
00
00
OO
00
oo
00
IS
DFPTH
FFFT
OOOI
oooi
0001
oooi
oooi
oooi
OOOI
oooi
oooi
oooi
oooi
oooi
oooi
oooi
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oooi
0(101
0001
oooi
oooi
oooi
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UPPFK SMAKE HTVEH HASIN
U14C050 2111204
? 0001 FEF1 DEPTH
OOOOH 14171 141R1 14191 19.401 39413 19423 197H1 39
-------
WHTWIFVAL OATF 7S/OS/?O
153157
4? 4* OA.O 11? 52 42.0
SNAKE R HFLCIW AMERICAN FAI.'.S
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1119C050 2111204
2 oonn hEr.T
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71/OS/14
71/OW05
71/0»>/2O
71/07/01
71/07/17
71/07/11
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71/OW/2*.
71/OH/27
71/09/12
71/04/25
71/10/17
71/10/10
71/11/14
71/12/04
71/12/17
74/01/21
74/02/05
74/0?/27
74/01/1?
74/O4/1O
74/05/07
I,AH ALOKIN
I O^MT . WHL SMPL
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14
20
07
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20
07
1 7
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14
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1 7
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15
1 4
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10
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10
10
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20
40
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10
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40
45
00
50
10
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2041?
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11415
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15504
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1441 5
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11415
15415
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-------
-STH-SFT
I_ OATF 7S/O5/7O
SNAKF
1S3357
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1U9C050 ?1 11204
2 0000 FEET
DEPTH
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rn
73/05/14
73/0>S/05
73/0^/20
73/07/03
73/07/17
73/07/31
73/OR/22
73/OR/2*!
73/OH/27
73/O4/ 12
73/O4/25
73/10/17
73/1O/30
73/1 1/14
73/12/04
73/12/17
74/01/23
74/02/05
74/02/27
74/03/12
74/04/10
74/OS/O7
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14
20
07
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39410 394^0 397H? 3950fl 39333 39343 'WA*>\ 39363 39?68
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IIR/L UR/L UR/L UR/L UG/KR IJG/KG , IIR/KI, IIU/KG UK/KG
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2 3.g I "5
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5
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5
5
5
5
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5
5
5
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-------
STn»FT WhTKJFVAI. DATF
1S31S7
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SNAKE R HFLOW AMERICAN FALLS DAM
1A IDAHO
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2 0000 HEF.T DEHTH
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71/OS/14
71/O^/OS
71/O*,/?0
71/07/01
71/0 1 1\ 7
71/O7/11
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71/OH/2A
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STfUFT RFTH IFVAI. -PIATF 75/M5/7O
IIPPFR SNAKF
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4? 40 06.0 111 79 05.0
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71/0ft/20
71/07/01
71/07/lfl
71/07/11
71/09/12
71/04/2S
71/10/18
71 / 10/1O
71/11/14
71/12/04
71/12/19
74/01/21
74/02/05
74/02/27
74/01/1?
74/04/10
74/05/07
74/10/22
74/10/21
74/10/24
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O.OOIK O.OOH O.OOSK O.OOIK O.OOIK O.OOIK
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O.OOIK 0.002K
O.OOIK 0.007K
O.OOIK 0.00?K
O.OOIK . 0.00?K
0.0*»OK
0.060K
O.OhOK
0.060K
to
CO
-------
STPKFT
i_ flATF
/<\ S/70
SNAKF
1S003?
4? *n os.o
SNAKF H.
1ft
PACIFIC NORTHWEST
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HASIN
211120*
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73/Oft/2O
73/07/O3
73/O7/ Irt
73/07/31
73/04/1?
73/O4/2S
73/10/lH
73/10/30
73/11/1*
73/12/0*
73/12/14
7*/01/21
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7*/n3/ 12
7*/0*/10
7*/OS/07
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74/10/23
74/10/2*
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441 ft
1 1 41 ft
1 S41 ft
1 441 ft
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O.OOIK O.OOIK O.OU1K 0.015K
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0.03K
0.03K
0.20K
0.03K
0.03K
to
-------
STTUFT RFTHIF.VAI.
SNAKF
DATF 7S/OS/PO
DATF T]M^ OFfTH
FHHM OF
fl) DAY FPFT
71/OS/lft
71/Oft/O5
71/0ft/20
71/07/01
71/07/1H
71/07/11
71/OH/12
71/O4/2S
71/10/lrt
71/1 O/10
71/11/14
71/17/04
71/12/19
74/O1/21
74/02/OS
74/07/27
74/01/12
74/04/ If)
74/OS/07
74/10/22
74/10/23
74/10/24
1 1
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12
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07
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14
10
11
14
12
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ift IDAHO
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71/O*,/05
71/06/2O
71/07/01
71/07/ 1H
71/07/11
71/04/12
71/04/25
71/10/1H
71/10/10
71/11/14
71/12/04
71/12/14
74/02/05
74/02/27
74/01/12
74/04/10
74/OS/07
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I. DATF 75/O5/PO
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150057
42 33 -54.0 113 51 Oft.O
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71/10/28
72/OH/22
72/08/23
72/OR/24
73/Oft/05
73/Oft/'20
73/07/03
73/07/lfl
73/07/3]
73/O9/12
73/04/25
73/10/18
73/ 1O/30
73/11/14
73/12/04
73/12/14
74/02/05
74/02/27
74/03/12
74/04/10
74/05/07
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idFN'T. WHL SMPL WHL SMPL WHL SMPL I2ft0 MUD MUD MUD MUM ,mm
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0.015 O.OOftK 0.011
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73^17
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7V417 0.001K 0.001K O.O01K 0.015K 0.03K 0.03K 0.20K 1.41 • 3.15
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3741 7
34417 0.001K 0.001K O.OOIK 0.015K •
47917 O.OOIK O.OOIK O.OOIK 0.015K 0.03K 0.91 0.70K 4 . OO 3.90
44417 O.OOIK O.OOIK O.OOIK 0.015K
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51417
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4417
11417
1 5417
1441 7
CO
CO
-------
STrUPT HFTKlrVAl. MATF
1S0057
47 13 59.0 111 51 Oh.O
MAIN OrtAIlM «1 450 WFS1 KMAII
1* IDAHO
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2 0000
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72/OR/21
72/OM/24
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0.03K
0.03K
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0.03K
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0.50K
CO
CO
00
-------
STflrfPT RFTRIFVAL OATF. 75/O5/?0
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70/03/03
70/07/09
70/OR/17
70/09/22
70/10/20
70/12/15
71/02/23
71/03/23
71/04/20
71/Oft/22
71/07/27
71/10/12
72/01/10
72/04/05
72/04/2R
72/08/22
72/08/23
72/OH/24
72/10/25
73/05/1*)
73/Oft/05
73/Oft/20
73/07/03
73/07/18
73/07/31
73/09/12
73/09/25
73/10/18
73/10/30
73/11/14
73/12/04
73/12/19
74/01/08
74/01/23
to
CO
cO
TIMF
DF
DAY
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0.001
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393ft"5
DDE
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0.001
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0.001
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39370
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0.002K
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0.002K
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-------
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70/07/04
70/OM/l 7
70/04/22
70/10/20
70/12/ IS
71/02/23
71/03/?3
71/04/20
71/OS/22
71/07/27
71/10/12
72/01/10
72/04/OS
72/04/2H
72/OH/22
72/OH/23
72/OH/24
72/10/2S
73/ OS/16
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73/0*1 / 2O
73/07/03
73/07/ 1 H
73/07/31
73/OV/12
73/O4/2S
73/10./IH
73/10/30
73/11/14
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74/01/23
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-------
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Ht-THIFWAI. OATF 7S/()«>/?()
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74/0?/05
74/02/27
74/03/12
74/04/10
74/05/07
74/10/22
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1 3
?0
25
3D
45
50
55
O^KTH
FFFT
iKHH
0001
0001
0001
on 01
O003
0007
0')<>3
O007
001 5
0030
OOO3
0007
DO 1*>
0033
0003
0007
0015
00?5
OOO3
OO07
0003
OO07
O01 5
OO33
OOO3
OOO7
O01 *>
0033
0003
0007
OO]5
OOO3
OOO7
OOI 5
153001 130H7400
4?. 31 2^.0 114 00 40.0
LAKE MILHFK AT MILNEK DAM
]5 10 AH(1
PACIFIC NllxTHWFST
IIPHF.K SNAKE KIVER HASIM
1119C050 211120?
2 0000 HErT OEl>TH
OOiiOH 34330 34340 34350 34350 34355 34370 343HO 3
I.AH AI.OIH
44O14
44040
44041
4404P
44043
44044
4404 5
44O45
4405?
44O53
44O54
34400
WHL SMKL
Uti/t
to
-------
STDUFT RlrTfJ ItrVAl.
IIPPFH
I1ATF /S/()S/?0
1 "53001 130H7900
42 31 26.0 114 00 40.0
LAKF. MILNF.R AT MtLNF« DAM
16 I HAND
PACIFIC NIIHTHW6ST
DP^FR SNAKF K1VF.R HASIN
1H4C050 ?11
2 0000
nftjF
FRIIM
nt
74/02/OS
74/0?/27
74/03/1?
74/04/10
74/0 S/ 07
74/10/22
74/IOA23
T IM
OF
DAY
1?
1 S
1?
1 4
IS
11
1 1
11
1 1
11
1 ]
1 1
1 1
11
1 1
11
1 1
11
1 1
1 1
1 1
1 1
1 1
1 1
12
12
12
1 2
12
1 2
1 2
12
1*.
1 6
16
•: 1)
h
00
DO
00
45
00
OS
10
IS
20
?s
30
3S
4O
4?
4S
47
SO
S-2
S4
so
s?
S4
S6
SH
on
OS
OH
10
] 3
20
?s
30
45
SO
55
PMTH
HF1
0001
OO'll
0001
OOfll
0001
0003
O007
0003
OOO7
001 *>
0030
0003
01107
0016
0033
OOO3
000 /
OO16
OO26
OOO3
0007
OO03
0007
O01 *,
0033
OOO3
OOO7
OO1 *,
0033
0003
OOO7
i)i)1 6
0003
OOO7
OO] 6
OOOOH 34410 34470 34782 34SOH 3Q333
l.AH HCHI.K Hr.MLH-FP LINI1ANF AKnCLO^ ALOKIN
II1FMT. WHI. SMPI. WHI. S'VIHI. WHI. SMPL 1260 MHO
MiiMrti^ in; /i. IH;/I. ur,/i. IK;/L II(;/KR
14) M
U41M
1 1 4] H
1 S41H
1 44 1 H
44013
44O1 4
'-('JO 1 5
H4.)l f,
4401 7
44O] H
440OI
4400?
44OO3
W-((I04
44IIO5
4 J l ) O 6
44OO7
440OH
t,ullXi
^(4035
4403^,
4 WO 3 7
U4O3H
ucving
440 '.O
MUOi)
4404?
44043
44044
4 4 n 4 5
IV WO 46
44052
L)4nS3
44054
3Q333
ALDKIN
MHO
IHi/Kfi
34343
HHC
MUD
IK./KI;
343S1
CH'.ROANc
Mill)
!)(•,/*<»
39363
I)I)U
MUD
IH-./KI;
DUE
MUD
UU/KG
ro
4^-
CO
-------
STO^FT W
I. OATF
DATF T|MP
FRIIM (IF
r n n A v
FCFT
OOOOH
I. Art
I O F M T .
14171
-OIH
Mltfl
niF.Ln«|N
MHO
ENOi>
S4 nn?*>
SO OO01
S? 0007
S4 O001
S*, 0007
SH OO]*)
44O04
44OM
4400
S4l)fl
w4no
4401
s
h
7
H
4
44O1S
44(11
4
-------
DATF 7S/f>5/?0
IIPPPH SMAKF
OATF TIMF. OFPTH
FROM HF
Tf) iOAY FhRT
ft4/07/30
70/03/03
70/07/10
70/OH/24
70/04/2S
70/10/23
71/03/2ft
71/04/23
71/Oft/25
72/01/11
72/04/24
73/05/17
73/Oft/OS
73/Oft/21
73/07/03
73/07/19
73/07/31
73/09/11
73/09/24
73/lO/l«
73/10/29
73/ll/lS
73/12/03
73/12/20
74/O1/O7
74/01/24
74/02/04
74/02/2M
74/03/11
74/04/H
74/OS/10
13
1 1
10
12
O4
10
10
10
10
0*,
10
OB
09
O7
10
17
12
IS
13
OH
12
OH
12
1 7
21
10
21
20
OS
30
10
30
10
4S
45
OS
2r
00
30
4S
00
20
3O
IS
?O
00
00
25
4S
lb
IS
00
3O
OO
3O
OO
IS
30
OOOO
oooo
OOOl
oooi
OOOl
OOOl
OOOl
OOOl
oooi
OOOl
OOOl
OOOl
OOOl
OOOl
OOO 1
oooi
OOOl
oooi
oooi
OOOl
ooni
«1 00
?04lft
2341 4
? *^ ^J 1 4
J ~I ft 1 Q
24414
31914
^7919
3441 9
4?414
4441 9
4*414
444] 4
S1^14
241 4
4414
1419
4414
11419
1 S414
14419
153003 r<
43 3? 5<-.0 11 IS 47 5/.0
SNAKE KIVPK AT MAKSIM; IDAHO
I ft IOAHI1
PACIFIC NIHTHWFST
CENTRAL SNAKE HIVF.K rtASIN
U19C050 ?111?04
2 0000 t-EEf
OOOOR
iriFNT. UIHL
MIMHFK
9330
UK IN
SMPI.
<•-/(.
O.OOIK
O.OOIK
O.OOIK
O.OOIK
O.OOIK
O.OOIK
O.OOl
0 .OOl
O.OOl
0.002
O.OOIK
34340 ^43SO
HHC CHI.^DANF
WHI. SMPI. WMI. SMk>L "i
IK;/L IIR/L
O.OOl
O.OOIK
O.OOIK
O.OOIK
0.001 K
O.OOIK
O.OO]
O.OOl
0.001
0.001 0.005
6.005 0.005K
393ftO
ODD
JHL SMPI.
IIR/L
O.OOIK
O.OOIK
O.OOIK
O.OOIK
O.OOIK
O.OOIK
O.OOl
0 . 00 1
0.001
O.OOIK
0.002
393ft5
one
WHL SMPL
IIR/I.
0.003
O.OOIK
O.OOIK
O.OOIK
0.002
O.OOIK
0.001
0.001
0.001
O.OOIK
0.003
39370
ni>T
WHL SMKM.
UG/L
0.003
0.003K
O.OOIK
0.005
0.002K
0.005
0.003
O.OOH
0.003
0.003K
0.017
;-»43HO
OIF.1. UK I'M
WH. SMH".
III'/'.
0.007
O.OO?
0.003
O.OOIK
0.00 7
0.003
0.001
0.012
0.001
O.OOIK
0.002
393yO
tNI'KlN
WH. SMC".
I If-/'.
O.OO ft
O.OOl K
0 . OO-l K
O.OOIK
0 . 00 I K
O.OOIK
O.OOl
O.OOl
O.OOl
0.002K
• 0.002K
3V400
TIIXPHENE
WML SMKI.
IMi/i.
*
O.OrtOK
0.060K
O.O01K
O.001K
O.OOl
0.001
0.005K
0.005K
O.OOIK
0.00 IK
O.OOIK
O.OOIK
0;003K
0.003K
O.OOIK
O.OOIK
0.002K
O.OO2K
0.060K
O.O6OK
CO
rf^
C./1
-------
P,FT»IFVAI.
SNAKF
OATF 75/05/70
153003
43 3? 54.0 lift 47 57.0
SNAKE KIVFR AT MAKSING IMAHil
I iS 10 AHH
PAf.IFIC MfJHTHWEST
CFNTRAL SNAKE HTVFH HASTN
H19C050 2111204
2 oooo i-eeT DEPTH
OATF
FROM
ri)
59/07/30
70/03/03
70/07/10
70/OH/24
70/04/25
70/10/23
71/03/75
71/04/23
71/05/25
77/01/1 I
72/04/24
73/05/17
73/05/05
73/05/21
73/07/03
73/07/19
73/07/31
73/09/11
73/04/24
73/lO/lH
73/10/29
73/11/15
73/17/03
73/12/20
74/01/07
74/01/24
74/0?/04
74/02/2R
74/03/11
74/04/11
74/05/10
TIMF f)FPTH
I)F
HAY FFFT
13
1 1
10
12
O4
10
10
1 ')
10
1)5
10
OH
09
07
1 0
17
12
15
13
2*
\ 2
Oh
17
17
2 1
10
2 1
20
OH
30
10
30
10
45
45
05
70
00
30
45
00
?o
30
15
70
OO
OO
75
45
15
15
OO
30
00
30
00
15
30
0000
0000
OOOl
OOOl
OOOl
OOOl
OOOl
OOOl
OOOl
OOOl
OOOl
onoi
OOOl
OOOl
OOOl
onoi
OOOl
OOOl
OOO 1
OOOl
OOOl
OOOOH 39410 39470 397H? 3450H 39333 39343 34351 39 3ft3 39368
I.AH HC.HLB HCHLK-FP LINOANF A«nr.u)R ALORIN HHC CH_*UANE DUD DOE
in^MT. WHL SMPI. I-IHL SMPI. wm_ SMPL 1 2ftO MUD MUD MUD MUD null
MMUFK IIR/L IK;/L IIG/L IK;/L UR/KR UG/KR .UG/KU UG/KG iir,/Ki;
HI OO
7(141 5
7341 9
75919
77419
7441 4
T 1 4 1 9
37414
3441 9
47414
4441 9
45419
444] 4
51919
741 9
491 9
541 9
4414
11419
15914
1441 9
O.OOIK
O.fHHK
O.O01K
(). 1)1)1 K
O.OOIK
O.OOIK
o.oni
o.oo i
0.001
O.OOIK
O.OOIK
O.OOIK
O.OOIK
0.001 K
0.001 K
0.001 K
O.O01 K
O.OOIK
0.001 K
0.001
0.001
0.001
0.001
O.OOIK O.OOIK •
O.OOIK O.OOIK 0.015K 0.03K 0.03K 0.70K 0.03K O.M3
O.OOIK O.OOIK 0.015K 0.03K 0.03K 0.20K 0.7H 0.33
en
-------
STPKFT
U_ DATF 75/05/20
153003 13172«t>0
43 3? 54.() llh 47 57.0
SNAKE' m\/F.K AT MASSING IDAHII
)ft IDAHO
PACIFIC W1KTHWEST
CENTRAL SNAKE «IVE« HASIM
111
-------
STfUFT
I_ P>ATF 7S/OS/70
DUTF
FROM
TO
70/03/01
77./OH/74
72/11/14
71/05/17
71/0/,/OS
/l/H/,/21
71/07/01
71/07/14
71/07/1]
71/O9/ 1 1
7l'/09/24
71/10/lH
71/10/29
71/11/15
71/17/01
71/12/20
74/01/07
74/01/24
74/02/04
74/02/-2R
74/01/11
74/04/H
74/05/10
T IM
OF
DAY
14
14
I1)
07
OR
04
07
0»>
04
1 *t
11
1H
l*i
11
14
04
1 1
)>>
2o
11
]4
19
10
10
70
25
10
IS
10
IS
71}
00
00
45
no
10
15
00
15
15
00
00
10
3o
10
no
nFPTH
FFFT
oooi
ooni
0001
oooi
oooi
oooi
ooni
oooi
oooi
OOOI
oooi
OOOI
0001
0001
OOOI
0001
0001
oooi
0001
OOOOH
1. Ah
I HI-NT.
MIIMHCK
544*,
7100
7041 7
?TJ?0
75^70
7/470
74470
11 470
17470
14470
47470
44M70
4*>470
44470
51470
7470
4470
*>4?0
4470
1 1970
1 5470
14470
151005
41 4* 54.0 iih 5« 17.n
HIUSE RIVEK WEST OF PARMA IDAHO
l*i IOAHII
PACIFIC NORTHWEST
f.FNTKAL SNAKE RIVER HAS1N
inwcn^o 7H1704
? 0000 HEfcl HFPTH
WHL
1P340
HMC
WHL
14150 3<)3*O 343f>5 39370
CHI.KOAMF nnn DOB uu'i DIELDRIN tMuwiM
WHL SMPL WHL SMPI. WHL SMPL WHL SHPL WHI. SMPI. WHL SMHI.
••-•• ...... UG/L UR/L tir,/i. llll/L
1UXPMENE
WHL SMPL
O.OOIK
O.OOIK
O.OOIK
O.OOIK
O.OOIK
0.001
0.007
0.071
0.004
0.002
O.OOC"
0.
0.005K
0.005K
ur,/L
0.001
O.OOIK
O.OOIK
0.001K
0.003
O.OOIK
O.OOIK
O.OOIK
0.007
0.002
0.003K
0.007K
0.007K
0.009
0.005
0.003
0.00?
O.OOIK
0.003
0.002
O.OOIK
0.007K
0.007K
0.002
0.0 02K
0.060K
0.060K
O.OfaOK
0.060K
CO
•4^
00
-------
STCMFT
IIPPFR SNAKF
11. DATF 75/05/70
IS3005 13213070
43 4/S 54.0 lllS 5H 17.0
HOISE RIVEK WEST OF PARMA IDAHO
.1* IDAHD
PACIFIC NORTHWEST
CF.NTRAL SNAKE R'VER HASIN
111/21
73/07/03
73/07/19
73/07/31
73/09/11
73/09/24
73/10/1H
73/10/29
73/11/15
7^/12/03
73/12/20
74/01/07
74/01/24
74/02/04
74/02/24
74/03/11
74/04/11
74/05/10
nOOUH 39410 3947.0 397H? 3950H 39333 39343 39351 39363 3936H
TIMF. OFPTH LAH HCHLR HCHLR-FP LINDANF ARnf.LDR ALDRIN BHC CH'.RDANE ODU UuE
HF IDFMT. WHL SMPL WHI_ SMPI. WHL SMPI. 1 2*0 Ml|[) Mill) Mllf) MUD MUD
HAY FFFT MIIMRFR ur,/L IK,/L IIR/L UG/L UG/KG UG/KG , UG/KG .UG/KG UG/KG
14
14
is
07
O8
O9
07
O*.
09
\*
13
1 H
!*>
11
14
O9
1 ^
1*.
20
11
19
J9
10
30
20
25
30
IS
30
IS
?o
00
00
45
00
10
is
oo
l*i
is
oo
oo
30
30
30
OO
0.001K 0.001K
599*. 0.001K 0.001K 0.001K
7300 0.001K 0.001K 0.001K
OOOI ?091 1
OOOI ?39?0
0001 ?S9?0
0001 27"?o 0.001K 0.001K 0.002 0.015K 0."03K 0.03K 0.20K 37.34 32.25
OOOI ?9i97O
OOOI 94?O
oooi 1 1 >-i?o
0001 1*>9?..)
OOOI 19970
CO
*a
CO
-------
STrHFT
IIPPFfc S'uAKF
I. OATF 7S/HS/70
151005 13213020
41 4h 54.0 llh 5H 17.0
HDISE RTVFK WEST OF HAKMA II1AHII
DATF
FBHM
rn
?2/Ofl/?.<,
72/11/14
71/OS/17
71 /0^5/OS
71/0*i/2 1
71/07/01
71/07/19
71/07/11
71/O4/ 1 1
71/04/24
71/1 0/lH
71/10/29
71/H/1S
71/ 12/01
71/12/20
74/01/07
74/01/24
74/0?/O4
74/02/2H
74/01/11
74/04/1]
74/05/10
TIM
e
OF
RAY
14
IS
07
OH
O9
07
O*>
f>9
1 *)
11
18
fi
1 1
1 4
09
11.
1 *
20
1 1
19
1 9
1.°
20
7.5
HO
IS
10
IS
20
00
oo
4S
00
10
IS
00
IS
IS
00
00
30
10
30
00
OOOOH
OEfTH l.ftH
I DFNiT.
FFFT wiiMHFH
549*
7100
OOOl 7O41 7
OOOl 21970
OOOl 75470
OOOl 27470
OOOl 74Q70
OOOl ^1970
1 /47d
OOOl 14470
OOOl 4747O
OOOl 4447O
onoi 4*i4?o
OOOl 44470
ooo i s i 4?ri
OOOl 7470
OOOl '.470
OOOl f.4?0
000 1 4470
OOOl 11470
OOO 1 1 547 0
OOOl 14470
CENTRA). SNAKE RIVER RASIN
U19C050 2111204
2 0000 l-EEf DFPTM
34371 143H3. 19191 39403 19413 39423 397M3 39^11
HOT niELORTN ENORIN TOXPHENE Hf.HLR HCHI.H-EP LIMUANg AKIICLHU
MHO MHO MHO MHO MUD Mill) MUD DRY 12hO MUD
1 J f i / K fi llO/Kfr I)i»/Kfi tlfr/K,!! tJO/K(i (Kr/Ko Ofi/Kii 1 1(> / K ^
*
•
71.09 0.03K O.O^K 2.00K 0.03K 0.03K 0.01K O.'sOK
•
5.70 0.59 O.O^K 2.00K 0.03K 0.03K 0.03K • 0.40K
ro
c_n
O
-------
bTOHFT HFTBfFVAI. DATF /5/O5/?O
1 ^3004
44 14 44.0 HIS <3k 4H.O
SNftKE «IVF.R AT WETSF.K I
DATF
F^IIM
Tn
72/0*/28
72/11/20
73/05/17
73/0/./04
73/0^/^1
73/07/02
73/07/1S
7V07/31
73/09/11
73/09/24
73/10/19
73/10/2V
73/11/15
73/12/03
73/12/20
74/01/07
74/01/24
74/O2/O4
74/02/2"
74/03/1 1
74/04/11
74/05/10
T 1
n
F
DAY
,-,
1*1
in
19
in
13
1 4
) 1
13
14
n*
l^
12
14
10
14
10
1 1
13
12
17
1 1
30
On
Of)
?0
5O
35
45
45
20
45
30
45
OO
50
3O
30
15
30
oo
3d
OO
45
OFMTH
FFFT
OOOl
00(11
OOOl
000 1
OOOl
noo i
OOOl
OOOl
OOOl
0001
OOOl
OOOl
OOOl
OOOl
0001
OOOl
0001
OOOl
OOOl
CFMTKAL SNAKE RIVE« HASIN
1 1 19C050 7111204
2 0000 l-EFT DEPTH
OOnOH 39^30 39340 39350 343*0 39 3ft5 39370 3O3HO 3939O 39400
I-AH AI.DKJN HHf. r.HI.HDANF. ROD ODE DDT 1)1 EL IK 1 M fc-MDHIiM TOXPHENE
IOFMT. WHL SMPU WHL SMPL WHI. SMPI. WHL SMPI. WHL SWPL WHI. SMPL WH-. SMHI. WHL Shf-. WHI. SMPI.
MIIMHPM IJR/I. nr,/i. IKVL IIG/L ur;/L IK;/L UR/I. IIK/L IK,/I.
*>99H O.OOIK 0.022 0.005K O.OOIK 0.002 0.005 O.OOb 0.002K O.OftOK
730? O.OOIK 0.004 0.005K O.OOIK O.OOIK 0.002K O.OOIK O.OO2K 0.060K
?n992 1
4Pvv?l
449? I
4*.w2l
499? 1
51 "J?!
?9? 1
44? I.
*i92 1
W92 I
1 19?1
1 5921
199? 1
ro
-------
ST'HFT MFTMKVAC.
SNAKF
7S/05/70
5H 4M.O
WF.ISEK IHAHII
151004
44 14 44.0
SNAKE RTVEH AT
l*i IDAHO
PACIFIC NORTHWEST
CENTRAL SNAKE KIVFR HASIN
1119C050 2111204
7 0000 HEEI
OATF
FROM
ro '
72/0«/28
72/11/20
71/05/17
71/0*./04
71/0
12
14
10
14
10
1 1
11
12
1 7
1 1
F
10
00
00
20
50
15
45
4S
~i
45
10
45
00
50
30
10
15
10
00
10
00
45
nFK>Tn
FEFT
oooi
0001
0001
oooi
0001
oooi
0001
oooi
oooi
0001
oooi
oooi
OOOI
oooi
0001
0001
ooov
OOOI
oooi
OOOOH 14410 14470 1478? 39508 39333 39343 34351 34361 3S36H
I.AK HC.HI.H Hf.HLH-FP LINOAMF AKOCLOR ALDKIN HHC . CH'.miANt 1)1)1) UUt
IOENT. WHL SMPL WHL SMPL WHL SMPL I7fto MUD MHO MUD MUD . MUD
NIIMHFH lir,/L IIG/L UG/L UG/L UG/KG DG/KG DG/KG UG/KG UG/KG
*544« 0.001K 0.001K 0.001K
7^02 0.001K 0.001K 0.001K
?0418
?14?l
4971
1 1971
15471
19471
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STflKFT «tfT«IFVAI_ 'DATF 75/05/?f>
HPPFO
DATF TIMF DFPTH
FRflM f)F
TO ' HAY FFFT
72/0«/2« 13 30
72/11/20 1*. 00
73/05/17 .10 00 OOOl
73/0*1/04 19 ?0 OOOl
.73/0<>/2l 1O SO OOOl
73/07/02 13 35 0001
73/O7/1R 14 45 OOOl
73/07/3) 11 45_0001
73/09/11 13?..
73/09/2* 14 45 OOOl
73/lO/i9 0*. 30 OOOl
73/10/29 l*i 45 OOOl
73/11/15 12 00 OOOl
73/12/03 1* 50 nOOl
73/V7/20 in 30 OOOl
74/01/07 14 30 onni
74/01/2* 10 is nooi
74/O7/04 I] 3O OOOl
74/O2/2H 13 OO OOOl
74/03/11 12 30 OOOl
74/04/11 17 00 OOOl
74/05/10 1 1 45 OOOl
flOOOM 39373 393H3 39393 39403 39413
LAW ODT niFLDKIN EMOSJN TOXPHENE Hf.HLK
IOFNT. MHO MUD MHO MHO MUD
rv'IIMHF^ llfi/KH UR/K(i IJG/KT, lin/KK UG/KG
^994
730?
• 7091H
?39? 1
759? I
?74?l 7.17 0.03K O.OiSK 2.00K O.O3K
79971
31 w?l
*79? L
3997 1
47971 0.77 0.03K O.OiSK 2.00K 0.03K
44971
4M,?l
44^7 ]
51971
7971
4971
^971
9971
11 971
15971
19971
153004
44 14 44.0 11* 5H 4H.O
SNAKE HIVFK AT W6ISEK IllAHtl
1^ FDAHD
PACIFIC NCIHTHWFSr
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U19C050 711170^
2 0000 I-EP.T
39423 ?97K3
HCHLK-E.P L1NDANE
MUD MUD DKY
Wil \
ItiO.Ci*
\7.hO MUD
0.03K
0.03K
0.03K
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O.bOK
0.50K
ro
cn
u>
-------
i_ PIATF 75/O5/?0
IIPPPW SNAKF
4(13004
44 50 Ofc.O 117 54 01.0
SNAKE RIVFH HL HROWNLRF HAM
44->OOh0117S
PACIFIC NOKTHWF.ST
CENTKAI. SNAKE RIVF.K KASTN
H19C050 2111204
2 0000 I-EET
DEPTH
OATF
FBflM
Tn
71/05/17
71/0«,/04
71/0",/21
71/07/02
71/07/lH
71/07/11
71/04/11
73/OQ/24
71/10/lH
71/10/20
71/11/15
71/12/01
74/01/07
74/01/24
74/02/04
74/02/2«
74/01/1 1
74/04/11
74/05/10
TIMP
OF
tlAY
14
I*.
14
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l*>
1 *,
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1 7
20
1 9
14
17
17
11
1
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15
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15
10
45
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15
15
45
10
10
10
?5
10
10
20
00
10
30
00
15
I1FPTH
FFFT
0001
0001
0001
ooo'i
0001
onoi
0001
0001
0001
0001
0001
0001
nooi
0001
0001
0001
0001
OOnOH 1411O 1434.0 10350 393iSO 393ft5 39370 343HO 3419O 39400
I.AH 4LORIM HHC T.HI.KOANF 000 ODE DOT OlF.i.OKIM ENIW1N . TOXPMENt
IOF.MT. WHL SMPI. WHI. SMPL WHL SMPL WHL SMPI. WHL SMPL WHI. SMPI. WHL SMPI. WHL SMPi. WHL SMHL
NIIWUFW IIR/I. UR/L UR/L UR/L UR/L UR/L , UR/U llfi/L Ufi/t
?OQ1Q
?•*«??
?5^??
?74?? O.OOIK 0.001 0.005K O.OOIK 0.003 0.007 0.009 0.00?K -O.OhOK
?44??
114??.
1 /4??
141)??
4?4;-? O.OOIK 0.001 0.005K O.OOIK O.OOIK 0.002 O.OOIK 0.002K 0.060K
444??.
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STCKFT
IIPPFW
l. OATF /S/OS/?0
•: DFPTH
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44-50060117^
44 SO 06.0 117 54 01.0
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41 OHFRflN
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1119C050 2111204
? oooo
OOOOH 19410
I.AH HC HL«
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illMAF'-J HR/L
19420
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197H2
L I NPANF
WH|. SMPL
IIR/U
1950ft
ARnCUN
1260
IIR/L
39333
ALDRIN
MUD
UG/KR
39343
HHC
MUD
IIG/KG
191 SI
CH'.HllANc
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llfi/KR
39361
MUD
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UK/KG
39368
ODE
MUD
. IIR/KG
14
14
71/07/02
71/07/1H
7^/oq/li
7^1/1 I/IS
71/12/01
74/01/07
74/02/04
74/02/2«
74/01/11
74/04/11
74/OS/10
10
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00
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0.001K
0.001K
0.001K
0.001K
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0.001K
0.015K
0.015K
0.03K
0.03K
0.20K
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0.96
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19922
-------
ST'HFT
i. OATF
403004
44 SO O^.O 117 S4 01 .0
SMAKE KJVRw HI. HWOUIMLrF
44^00^01
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L SNAKF RJVF.H HASIM
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73/OS/l 7
73/O*,/04
73 /OS/? ]
73/07/02
7 3 / 0 7 / 1 H
73/07/31
73/09/ 1 1
73/04/74
73/ !(>/ 1 H
73/ IO/24
7 3 / U / I S
73/12/03
74/01 /07
74/01/24
74/02/04
74/02/2H
74/03/1 1
74/04/11
74/OS/10
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1730
70 30
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MUD MUD DHY
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1260 MUD
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0.03K
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0.03K
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3747?
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4447?
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447?
1147?
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