U.S. ENVIRONMENTAL PROTECTION AGENCY
NATIONAL EUTROPHICATION SURVEY
WORKING PAPER SERIES
REPORT
ON
MOSES LAKE
GRANT COUNT/
WASHINGTON
EPA REGION X
WORKING PAPER No, 872
CORVALLIS ENVIRONMENTAL RESEARCH LABORATORY - CORVALLIS, OREGON
and
ENVIRONMENTAL MONITORING & SUPPORT LABORATORY - LAS VEGAS, NEVADA
-------
REPORT
ON
MOSES LAKE
GRANT COM
WASHINGTON
EPA REGION X
WORKING PAPER No, 872
WITH THE COOPERATION OF THE
WASHINGTON DEPARTMENT OF ECOLOGY
AND THE
WASHINGTON NATIONAL GUARD
JULY, 1977
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REPORT ON MOSES LAKE
GRANT COUNTY, WASHINGTON
EPA REGION X
by
National Eutrophication Survey
Water and Land Quality Branch
Monitoring Operations Division
Environmental Monitoring & Support Laboratory
Las Vegas, Nevada
and
Special Studies Branch
Corvallis Environmental Research Laboratory
Con/all is, Oregon
Working Paper No. 872
OFFICE OF RESEARCH AND DEVELOPMENT
U.S. ENVIRONMENTAL PROTECTION AGENCY
July 1977
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CONTENTS
Page
Foreword i i
List of Washington Study Lakes iv
Lake and Drainage Area Map v-vi
Sections
I. Conclusions 1
II. Lake and Drainage Basin Characteristics 4
III. Lake Water Quality Summary 6
IV. Nutrient Loadings 13
V. Literature Reviewed 19
VI. Appendices 20
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ii
FOREWORD
The National EutropMcation Survey was Initiated 1n 1972 1n
response to an Administration commitment to Investigate the nation-
wide threat of accelerated eutrophicatlon to freshwater lakes and
reservoirs.
OBJECTIVES
The Survey was designed to develop, in conjunction with state
environmental agencies, information on nutrient sources, concen-
trations, and impact on selected freshwater lakes as a basis for
formulating comprehensive and coordinated national, regional, and
state management practices relating to point source discharge
reduction and nonpoint source pollution abatement 1n lake water-
sheds.
ANALYTIC APPROACH
The mathematical and statistical procedures selected for the
Survey's eutrophicatlon analysis are based on related concepts
that:
a. A generalized representation or model relating
sources, concentrations, and Impacts can be
constructed.
b. By applying measurements of relevant parameters
associated with lake degradation, the generalized
model can be transformed Into an operational
representation of a lake, its drainage basin, and
related nutrients.
c. With such a transformation, an assessment of the
potential for eutrophication control can be made.
LAKE ANALYSIS
In this report, the first stage of evaluation of lake and
watershed data collected from the study lake and Its drainage
basin is documented. The report 1s formatted to provide state
environmental agencies with specific Information for basin
f Tanning [§303(e)L water quality criteria/standards review
§303(c)], clean lakes [§314(a,b)], and water quality monitoring
[§106 and §305(b)] activities mandated by the Federal Water
Pollution Control Act Amendments of 1972.
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Beyond the single lake analysis, broader based correlations
between nutrient concentrations (and loading) and trophic condition
are being made to advance the rationale and data base for refine-
ment of nutrient water quality criteria for the Nation's freshwater
lakes. Likewise, multivariate evaluations for the relationships
between land use, nutrient export, and trophic condition, by lake
class or use, are being developed to assist in the formulation of
planning guidelines and policies by the U.S. Environmental Protection
Agency and to augment plans implementation by the states.
ACKNOWLEDGMENTS
The staff of the National Eutrophication Survey (Office of
Research and Development, U.S. Environmental Protection Agency)
expresses sincere appreciation to the Washington Department of
Ecology for professional involvement, to the Washington National
Guard for conducting the tributary sampling phase of the Survey,
and to those Washington wastewater treatment plant operators who
provided effluent samples and flow data.
Ms. Barbara Blau, Lake Restoration Program, and the staff
of the Washington Department of Ecology, Lake Restoration Program,
provided invaluable lake documentation and counsel during the
Survey, reviewed the preliminary reports and provided critiques
most useful in the preparation of this Working Paper Series.
Major General Howard S. McGee, Adjutant General of Washington,
and Project Officer Colonel Clinton C. Johnson, who directed the
volunteer efforts of the Washington National Guardsmen, are also
gratefully acknowledged for their assistance to the Survey.
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IV
NATIONAL EUTROPHICATION SURVEY
STUDY LAKES
STATE OF WASHINGTON
LAKE NAME
American Lake
Banks Lake
Chelan Lake
Diamond Lake
Green Lake
Keechelus Lake
Mayfield Lake
Medical Lake
Moses Lake
Ozette Lake
Sammamish Lake
Lake Whatcom
Lower Granite Reservoir
COUNTY
Pierce
Grant, Douglas
Chelan
Pend Oreilie
King
Kittitas
Lewis
Spokane
Grant
Clallam
King
Whatcom
Garfield, Whatcom
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MOSES LAKE
Sewage "Treatment Facility"
(3) Tributary Sampling Site
X Lake Sampling Site
o 10
I '
o
Scale
47°15'
119°30'
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Long Lake
Reservoir
Roc^y Coulee^. ^
— ""' ' "
MOSES
LAKE
Westlake
MOSES LAKE
Tributary Sampling Site
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REPORT ON MOSES LAKE, WASHINGTON
STORET NO. 5309
I. CONCLUSIONS
A. Trophic Condition:*
Survey data indicate that Moses Lake is eutrophic, i.e.,
nutrient rich and highly productive. Whether such nutrient
enrichment is to be considered beneficial or deleterious is
determined by its actual or potential impact upon designated
beneficial water uses of the lake.
Chlorophyll a^ values in the lake ranged from 1.6 yg/1 in
April to 84.6 yg/1 in September, v/ith a mean of 29.1 yg/1.
Lake water transparency was low and potential for primary
production as measured by algal assay control yield was high
in both spring and fall. Severe hypolimnetic oxygen depression
was observed at several stations in the lake during July and
September samplings. Of the 13 Washington lakes sampled in
1975, only 1 had higher median total phosphorus levels
(0.115 mg/1), 3 had higher median inorganic nitrogen levels
(0.150 mg/1) and 1 had higher median orthophosphorus levels
(0.038 mg/1) than Moses Lake.
Survey limnologists reported algal blooms during July
and October sampling. Other sources (Dion, N.P., 1976;
Ketelle and Uttormark, 1971) report that this historically
*See Appendix E.
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eutrophic lake receives heavy recreational use and nuisance blue-
green algae blooms throughout the summer.
B. Rate-Limiting Nutrient:
The algal assay results indicate that Moses Lake was limited
by available nitrogen in the eastern arm during both spring and
fall sampling, and phosphorus- or colimited in the western arms
of the lake at those times. The lake data suggest primary limi-
tation by nitrogen throughout the lake on all three sampling
occasions except at Stations 03-05 in the spring, where phosphorus
limitation is suggested.
C. Nutrient Controllability:
1. Point sources -
During the sampling year, the city of Moses Lake contri-
buted 31.8% of the total phosphorus load to Moses Lake from
a single sewage treatment plant. Exceedingly high phosphorus
levels at lake Stations 01 and 02 reflect the discharges from1
the plant in the northeastern arm of the lake.
2
The calculated annual phosphorus loading of 1.13 g P/m /yr
is more than twice that proposed by Vollenweider (1975) as
"eutrophic" for a lake with such volume and hydraulic retention
time (289 days). Elimination of the Moses Lake sewage treat-
ment plant discharges would be expected to effect some water
quality improvement in the lake; however, further reduction
-------
in nutrient loadings, including nonpoint, would be necessary to
reduce the annual phosphorus loading to below Vollenweider's
"eutrophic" level.
In March 1977, the Moses Lake Irrigation and Rehabilitation
District began periodically diverting water from the Columbia
River into Parker Horn (Welch and Lindell, 1977). It has not
yet been determined what long term effects will result from the
addition of low nutrient water into Moses Lake, nor at what rate
nutrient concentrations will increase to predilution levels.
Nevertheless, substantial improvement in water quality in Parker
Horn and the southwestern arm of Moses Lake can probably be
expected.
2. Nonpoint sources -
Nonpoint sources, including precipitation, contributed 68.2%
of the total phosphorus load to Moses Lake during the sampling
year. Rocky Ford Creek contributed 35.5% of the total, Crab Creek
and Rocky Coulee Wasteway contributed 15.4% and 12.3%, respectively,
and ungaged drainage areas contributed an estimated 3.4% of the
total phosphorus load. Welch and Lindell (1977) report that high
phosphorus and nitrogen loading to the lake can primarily be
attributed to irrigation return flow.
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II. LAKE AND DRAINAGE BASIN CHARACTERISTICS
Lake and drainage basin characteristics are itemized below.
Lake morphometry data were provided by Wolcott (1965). Tributary
flow data were provided by the Washington District Office of the
U.S. Geological Survey (USGS). Outlet drainage area includes the
lake surface area. Mean hydraulic retention time was obtained by
dividing the lake volume by mean flow of the outlet. Precipitation
values are estimated by methods as outlined in National Eutrophi-
cation Survey (NES) Working Paper No. 175. A table of metric/
English conversions is included as Appendix A.
A. Lake Morphometry:
2
1. Surface area: 27.58 km .
2. Mean depth: 5.9 meters.
3. Maximum depth: 11.6 meters.
4. Volume: 161.587 x 1()6 m3.
5. Mean hydraulic retention time: 289 days.
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B. Tributary and Outlet: >• '
(See Appendix B for flow data)
1. Tributaries -
Drainage Mean flow
Name area (km2) (m3/sec)
A-2 Crab Creek 5770.5 2.01
B-l Rocky Coulee Wasteway 764.0 0.00
D-l Rocky Ford Creek 1217.3 2.55
Minor tributaries and
immediate drainage - 210.7 0.00
Totals 7962.5 4.56
2. Outlet - A-l Crab Creek 7990.1 6.48
C. Precipitation:
1. Year of sampling: 17.0 cm.
2. Mean annual: 20.0 cm.
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III. LAKE WATER QUALITY SUMMARY
Moses Lake was sampled three times during the open-water season
of 1975 by means of a pontoon-equipped Huey helicopter. Each time,
samples for physical and chemical parameters were collected from
five stations on the lake and from a number of depths at each station
(see maps, pages v, vi). During each visit, depth-integrated samples
were collected from each station for chlorophyll ^analysis and
phytoplankton identification and enumeration. During the first and
last visits, 18.9-liter depth-integrated samples were composited for
algal assays. Maximum depths sampled were 2.1 meters at Station 01,
9.1 meters at Station 02, 4.0 meters at Station 03, 6.7 meters at
Station 04, and 6.4 meters at Station 05. For a more detailed ex-
planation of NES methods, see NES Working Paper No. 175.
The results obtained are presented in full in Appendix C and
are summarized in III-A for waters at the surface and at the maxi-
mum depth for each site. Results of the phytoplankton counts and
chlorophyll <§_ determination are included in III-B. Results of the
limiting nutrient study are presented in III-C.
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MOSES LAKE
STO°ET CODE
PARAMETER
N*
4/ 3/7b
MED I AIM
PHYSICAL AND CHEMICAL CHARACTERISTICS
( 7/21/75 )
MAX
S«»» = 5 OEPTH
RANGE
>) N* HANGE MEDIAN (METERS)
N»
( 9/10/75 )
MAX
S»»« = 5 DEPTH
RANGE
RANGE MEDIAN (METERS)
(DEG CFNT)
0.-1.=> « OEPTH
MAX DEPTH**
DISSOLVED OXYGEN (MR/L)
O.-l.5 * nEPTH
MAX DEPTH**
CONDUCTIVITY
O.-l.^ M DEPTH
MAX DEPTH**
PH (STANDARD UNITS)
O.-l.S M r>E°TH
MAX DEPTH**
TOTAL ALKALINITY (MG/D
O.-l.S M DEPTH
MAX DEPTH**
TOTAL P (MG/L>
O.-l.5 M DEPTH
MAX DEPTH**
DISSOLVED ORTHO P
O.-l.^ M DEPTH
MAX DEPTH**
N02*N03 (MG/L)
O.-l.1^ M OE^TH
MAX OEPTH**
AMMOUIA (MG/L)
O.-l.5 M DEPTH
MAX DEPTH**
KJELDAHL N
O.-l.5 M DEf-T"
VAX DEPTH**
SECCHI DISC
9
5
)
8
5
9
5
8
5
)
8
5
8
5
L)
8
5
8
S
8
5
a
5
6.3- 7.2
6.3- 7.1
10.6- 12.2
1 1 .0- 12. 0
266.- 307.
265.- 303.
8.5- 9.4
8.5- 9.3
177.- 192.
176.- 188.
0.041-0.394
0.069-0.339
0.010-0.127
0.010-0.098
0.020-0.880
0.0?0-C.f>80
0.0?0-0.060
0.030-0.070
0.600-1 .400
0.400-1 .500
6.4
11.3
11.6
27S.
277.
8.7
8.6
18?.
0.032
O.OP6
0.018
0.018
0. 370
0.400
0.045
0.040
0.7^0
0.700
n.o-
1.8-
0.0-
1.8-
0.0-
1.8-
0.0-
1.P-
0.0-
1.8-
0.0-
1.8-
0.0-
1.8-
0.0-
1.8-
0.0-
1.8-
0.0-
1.8-
l.b
9.1
1.5
9.1
1.5
9.1
1.5
9.1
1.5
9.1
1.5
9.1
1.5
9.1
1.5
9.1
1.5
9.1
1.5
9.1
8
5
8
.5
8
5
t>
5
8
5
8
5
8
5
e
5
8
5
8
5
?2.0- 25.5
17.3- 24.8
8.4- 13.6
0.4- 7.8
430.- 571.
456.- 579.
8.9- 9.2
8.0- 9.2
155.- 193.
185.- 238.
0.040-0.650
0.055-0.950
0.015-0.424
0.028-0.630
0.020-0.020
0.020-0.020
0.020-0.080
0.060-0.650
0.700-2.300
0.700-1.700
23.0
18.3
12.6
1.8
439.
465.
9.1
8.8
166.
202.
0.104
0.211
0.032
0.185
0.020
0.020
0.045
0.360
1.600
0.900
0.0-
2.1-
0.0-
2.1-
0.0-
2.1-
0.0-
2.1-
0.0-
2.1-
0.0-
2.1-
0.0-
2.1-
0.0-
2.1-
0.0-
2.1-
0.0-
2.1-
1.5
9.1
1.5
9.1
1.5
9.1
1.5
9.1
1.5
9.1
1.5
9.1
1.5
9.1
1.5
9.1
1.5
9.1
1.5
9.1
9
5
9
5
9
5
9
5
Q
5
9
5
9
5
9
5
9
5
9
5
20.2- 23.9
19.2- 21.8
5.2- 19. 8
0.6- 10.8
357.- 507.
362.- 437.
8.6- 9.4
8.3- 9.1
174.- 270.
182.- 300.
0.110-1.140
0.089-1.050
0.026-0.805
0.031-0.665
0.020-0.060
0.020-0.100
0.020-0.300
0.050-0.620
0.800-2.600
0.800-1.700
22.5
19.5
13.8
7.8
377.
381.
9.0
8.9
184.
191.
0.170
0.198
0.062
0.155
0.020
0.060
0.040
0.190
1.200
1.200
0.0-
2.1-
0.0-
2.1-
0.0-
2.1-
0.0-
2.1-
0.0-
2.1-
0.0-
2.1-
0.0-
2.1-
0.0-
2.1-
0.0-
2.1-
0.0-
2.1-
1.5
8.5
1.5
8.5
1.5
8.5
1.5
8.5
1.5
8.5
1.5
8.5
1.5
8.5
1.5
8.5
1.5
8.5
1.5
8.5
0.4- 1.1
1.1
0.6- 1.5
0.6
0.5- 2.5
0.6
* N = NO. OF SAMPLES
«* MAXIMUM DEPTH SAMPLED AT EACH SITE
o*» s = NO. OF MTES SAMPLED ON THIS DATE
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8
Biological Characteristics:
1. Phytoplankton -
Sampling
Date
04/02,03/75
07/21/75
09/10/75
Dominant
Genera
1.
2.
3.
4.
5.
1.
2.
3.
4.
5.
1.
2.
3.
4.
5.
Stephanodiscus
Scenedesmus
Cryptomonas
Chrootnonas
Melosira
Other genera
Total
Aphanizomenon
Oocystis
Scenedesmus
Melosira
Chroomonas
Other genera
Total
Aphanizomenon
Oocystis
Cryptomonas
Melosira
Oscillatoria
Other genera
Total
Algal
Units
per ml
37,485
813
642
428
342
1,241
40,951
5,406
2,806
1,471
753
479
1.472
12,387
7,171
850
702
481
444
923
10,571
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2. Chlorophyll a_ -
Sampling Station Chlorophyll
Date Number (ug/1 )
04/02,03/75 01 2.3
02 1.6
03 3.3
04 11.4
05 7.8
07/21/75 01 46.8
02 9.3
03 31.4
04 31.4
05 10.3
09/10/75 01 84.6
02 80.1
03 82.4
04 31.2
05 2.0
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10
C. Limiting Nutrient Study:
1. Autoclaved, filtered, and nutrient spiked
Ortho P Inorganic N
Spike (mg/1) Cone, (mg/1) Conc^ng/l)
a. 04/03/75
Control
0.05 P
0.05 P + 1.0 N
1.00 N
Control
0.05 P
0.05 P + 1.0 N
1.00 N
b. 09/10/75
Control
0.05 P
0.05 P + 1.0 N
1.00 N
Control
0.05 P
0.05 P + 1.0 N
1.00 N
Stations 01-03
0.088
0.138
0.138
0.088
Stations 04,05
0.032
0.082
0.082
0.032
Stations 01,02
0.340
0.390
0.390
0.340
Stations 03-05
0.075
0.125
0.125
0.075
0.296
0.296
1.296
1.296
0.472
0.472
1.472
1.472
0.370
0.370
1.370
1.370
0.395
0.395
1.395
1.395
Maximum Yield
(mg/1-dry wt.)
13.7
12.8
36.7
32.4
8.9
14.5
18.3
9.1
14.8
15.1
43.3
41.8
7.7
7.0
19.4
5.3
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11
2. Discussion -
The control yields of the assay alga, Selenastrum capricor-
nutum, indicate that the potential for primary productivity in
Moses Lake was extremely high at both sample collection times
(04/03/75, 09/10/75). In the May and September assays for Stations
01 and 02 (the Pelican Horn arm of the lake), a significant increase
in yield over that of the control occurred when nitrogen alone was
added, indicating nitrogen limitation. Addition of phosphorus
alone did not stimulate growth significantly beyond the control
yields. It should be noted that the mean orthophosphorus levels at
Station 01 were substantially higher than those for the other four
lake stations on each sampling date (0.112 mg/1 in April, 0.527 mg/1
in July, 0.735 mg/1 in September). These inflated phosphorus levels,
and subsequently the indicated primary limitation by nitrogen in the
Pelican Horn arm, probably result from a sewage disposal outfall
located directly upstream from lake sampling Station 01 (near Marsh
Island).
Algal assay results from Stations 04 and 05 in May indicate
primary limitation by phosphorus in the northwestern reaches of Moses
Lake during May, but suggest col imitation during fall, when only the
simultaneous addition of both phosphorus and nitrogen resulted in
an increase in yield over that of the control.
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12
The lake data yield extremely low mean inorganic nitrogen
to orthophosphorus (N/P) ratios for Moses Lake during summer and
fall (N/P=1), indicating nitrogen limitation in the lake at those
times. During spring, the lake data suggest nitrogen limitation
at Stations 01 and 02, and primary limitation by phosphorus at
Station 03-05. (A mean N/P ratio of 14/1 or greater is generally
considered to reflect phosphorus limitation).
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13
IV. NUTRIENT LOADINGS
(See Appendix D for data)
For the determination of nutrient loadings, the Washington
National Guard collected monthly near-surface grab samples from
each of the tributary sites indicated on the maps (pages v,vi),
except for the high runoff months of March and April when two
samples were collected. Sampling was begun in September 1974,
and was completed in August 1975.
Through an interagency agreement, stream flow estimates for
the year of sampling and a "normalized" or average year were pro-
vided by the Washington District Office of the USGS for the tribu-
tary sites nearest the lake.
In this report, nutrient loads for sampled tributaries were
determined by using a modification of a USGS computer program for
calculating stream loadings. Nutrient loads indicated for tribu-
taries are those measured minus known point source loads, if any.
Nutrient loadings for unsampled "minor tributaries and imme-
diate drainage" ("ZZ" of USGS) were estimated by using the mean
2
annual nutrient loads, in kg/km /year, in Crab"Creek, Rocky Coulee
Wasteway, and Rocky Ford Creek at Stations A-2, B-l, and D-l and
2
multiplying the means by the ZZ area in km .
The operator of the Moses Lake wastewater treatment plant pro-
vided monthly effluent samples and corresponding flow data.
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14
A. Waste Sources:
1. Known Municipal
Name
Moses Lake
Pop.*
Served
12,500
Treatment*
Trickling
Filter
Mean Flow Receiving
(m3/d x 1Q3) Water
3.486
Moses Lake
2. Known industrial - None
*Provided by treatment plant operator.
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15
B. Annual Total Phosphorus Loading - Average Year:
1. Inputs -
% of
Source kg P/yr total
a. Tributaries (nohpoint load) -
A-2 Crab Creek 4,780 15.3
B-1 Rocky Coulee Wasteway 3,830 12.3
D-l Rocky Ford Creek 11,070 35.5
b. Minor tributaries and immediate
drainage (nonpoint load) - 1,055 3.4
c. Known municipal STP's -
Moses Lake 9,905 31.8
d. Septic tanks* - 20 0.1
e. Known industrial - None
f. Direct precipitation** - 485 1.6
Totals 31,145 100.0
2. Outputs - A-l Crab Creek 17,230
3. Net annual P accumulation - 13,915
*Estimate based on 70 lakeshore residences and 1 park.
**Estimated (See NES Working Paper No. 175).
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16
C. Annual Total Nitrogen Loading - Average Year:
1. Inputs -
% of
Source kg N/yr total
a. Tributaries (nonpoint load) -
A-2 Crab Creek 95,105 26.6
B-l Rocky Coulee Wasteway 60,530 16.9
D-l Rocky Ford Creek 135,975 38.0
b. Minor tributaries and immediate
drainage (nonpoint load) - 14,540 4.1
c. Known municipal STP's -
Moses Lake 21,210 5.9
d. Septic tanks* - 780 0.2
e. Known industrial - None
f. Direct precipitation** - 29.775 8.3
Totals 357,915 100.0
2. Outputs - A-l Crab Creek 206,055
3. Net annual N accumulation - 151,860
*Estimate based on 70 lakeshore residences and 1 park.
**Estimated (See NES Working Paper No. 175).
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17
D. Mean Annual Nonpoint Nutrient Export by Subdrainage Area:
2 2
Tributary kg P/km/yr kg N/km/yr
Crab Creek 1 16
Rocky Coulee Wasteway 5 79
Rocky Ford Creek 9 112
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18
E. Yearly Loadings:
In the following table, the existing phosphorus annual loading
is compared to the relationship proposed by Vollenweider (1975).
Essentially, his "eutrophic" loading is that at which the receiving
waters would become eutrophic or remain eutrophic; his "oligotrophic"
loading is that which would result in the receiving water remaining
oligotrophic or becoming oligotrophic if morphometry permitted. A
"mesotrophic" loading would be considered one between "eutrophic"
and "oligotrophic".
Note that Vollenweider's model may not apply to lakes with
short hydraulic retention times or in which light penetration is
severely restricted by high concentrations of suspended solids in
the surface waters.
Total Yearly
Phosphorus Loading
(g/m2/yr)
Estimated loading for Moses Lake 1.13
Vollenweider's "eutrophic" loading 0.54
Vollenweider's "oligotrophic" loading 0.27
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19
V. LITERATURE REVIEWED
Ketelle, Martha J. and Paul D. Uttormark. 1971. Problem Lakes
in the United States. U.S. Environmental Protection Agency,
Project #16010 EHR. University of Wisconsin, Madison, Wisconsin.
U.S. Environmental Protection Agency. 1975. National Eutrophica-
tion Survey Methods 1973-1976. Working Paper No. 175. National
Environmental Research Center, Las Vegas, Nevada, and Pacific
Northwest Environmental Research Laboratory, Corvallis, Oregon.
Volleiiweider, R. A. 1975. Input-Output Models With Special
Reference to the Phosphorus Loading Concept in Limnology.
Schweiz. Z. Hydrol. 37:53-34.
Welch, E.B. and L.T. Lihdell. 1977. Moses Lake Restoration.
Environmental Outlook Vol. 5, No. 5. Institute for Environmental
Studies, University of Washington, Seattle, Washington.
Wolcott, E. E. 1965. Lakes of Washington, Volume II. Washington
Division of Water Resources, Water Supply Bulletin, 14 and 15.
-------
20
VI. APPENDICES
APPENDIX A
CONVERSION FACTORS
-------
CONVERSION FACTORS
Hectares x 2.471 = acres
Kilometers x 0.6211 = miles
Meters x 3.281 = feet
Cubic meters x 8.107 x 10 = acre/feet
Square kilometers x 0.3861 = square miles
Cubic meters/sec x 35.315 = cubic feet/sec
Centimeters x 0.3937 = inches
Kilograms x 2.205 = pounds
Kilograms/square kilometer x 5.711 ~ Ibs/square mile
-------
APPENDIX B
TRIBUTARY FLOW DATA
-------
TRIBUTARY FLOW INFORMATION FOR WASHINGTON
LAKE CODE 5309 MOSES L»KE
TOTAL OR4INAGF ARE* OF LAKEISQ KM) 799O41
11/16/76
TRIBUTARY
SUB-D°AIMAr-F.
Q KM)
JAM
FE8
MAO
APR
MAV
NORMALIZED FLO»S(CMS)
JUL AUG
OCT
5309A]
5309A2
5309B1
5309D1
53097?
7990.1
5770.5
764.0
1217.3
23R.3
6.54 6.23
1.92 4.02
0.0 0.0
2.04 1.96
0.0 0.0
TOTAL DRAINAGE
6. 1
6.1
n.o
?.?
0.0
APEA
SUM OF SUB-DRAINAGE
MEAN
TRIBUTARY
5309A1
5309A2
MONTHLY
MONTH
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
I
2
3
4
5
6
7
fl
FLOWS
YEAR
74
74
74
74
75
75
75
75
75
75
75
75
74
74
74
74
75
75
75
75
75
75
75
75
AND DAILY FLOWS
MEAN FLOW
8.835
9.911
18.406
10.251
9.231
12.290
13.366
15.291
7.787
6.088
6.938
9.486
3.511
3.115
1.860
1.161
0.810
0.765
5.720
7.306
4.559
2.209
2.520
2.888
(CMS)
DAY
2?
2
ft
14
t;
3
?
s
\
1.3
2p
R
14
5
3
3
30
1
1 3
2 5.01
7 2.48
0.0
1 2.61
0.0
OF LAKE =
AREAS =
FLOW
8.750
11.072
12.912
9.005
11.270
13.196
14.187
15.716
7.023
9.118
3.455
1.303
0.736
0.651
1 ,21ft
8.212
3.058
2.209
2.888
5.04 3.82 3.54 5.83 7.33
1.1? 1.28 1.35 1.56 1.63
0.0 0.0 0.0 0.0 0.0
2.«0 2.83 2.89 2.92 2.83
0.0 0.0 0.0 0.0 0.0
SUMMARY
79Q0.1 TOTAL FLOW IN =
7990.1 TOTAL FLOW OUT s
DAY FLOW DAY FLOW
19 9.231
16 12.629
27 15.971
19 0.765
16 0.765
27 6.513
NOW
11.M
9.26
1.35 O.fl*
0.0 0.0
2.69 ?.49
0.0 0.0
54.79
77.79
DEC
7.45
0.50
0.0
?.27
0.0
MEAN
2.01
0.0
?.5S
0.0
-------
TPIBDTAPY FLOW INFORMATION! FOP WASHINGTON
LAKE CODE 5309 MOSES
MEAN MONTHLY FLO«S AND DAILY
TRIBUTARY MONTH YEA^ MEAN FLOW
530931
5309D1
9
10
11
12
I
2
3
4
5
6
7
8
9
in
11
12
1
2
3
4
5
6
7
a
74
74
74
74
7S
75
75
75
75
75
75
75
74
74
74
74
75
75
75
75
75
75
75
75
DAY
1.982
1.699
1.359
0.934
0.850
1.416
0.623
0.708
0.793
1.133
1.472
1.699
3.115
?.917
2.633
2.379
2.067
1.841
1.756
1.897
2.152
2.605
2.832
2.973
•?•>
•?
R
14
5
3
?
31
n
1
13
2?
?
8
\^
5
3
2
30
1
13
FLOW DAY
1.359
1.019
0.878
0.878
0.510
0.680
0.850
0.0
1.274
1.699
3.115
2.775
2.407
2.237
1.756
1.699
1.812
2.322
2.888
3.058
19
1ft
18
27
21
22
25
19
16
16
27
FLOW DAY
0.793
0.708
0.651
0.736
0.804
FLOW
1.657
1.719
2.124
1.642
1.642
1.982
21
0.733
-------
APPENDIX C
PHYSICAL AND CHEMICAL DATA
-------
STO^ET RETRIEVAL DATE 76/11/16
*'ATL nJTROPHlCATIOM SURVEY
VEGAS
DATF
F^OM
TO
75/04/03
75/07/21
75/09/10
DATF
FROM
TO
75/04/03
75/07/21
75/09/10
TIME DEPTH
OF
DAY FEET
09 50 0000
09 50 0006
14 40 0000
14 40 0007
15 20 0000
15 ?0 0007
TIME DEPTH
OF
DAY FEET
09 50 0000
09 50 0006
14 40 0000
14 40 0007
15 20 0000
15 20 0007
00010
WATER
TEMP
CENT
7.?
7.1
?5.5
24.8
23.8
21.8
00665
PHOS-TOT
MG/L P
0.394
0.339
0.650
0.950
1.140
1.050
00300
00
MG/L
11.8
11.6
13.6
5.8
13.6
9.4
32217
CHLtfPHYL
A
UG/L
2.3
46.8
84.6
00077
TRAN5P
SECCHI
INCHES
18
24
23
00031
INCOT LT
REMN1NG
PERCENT
00094
CMOUCTVY
FIELD
MICROMHO
307
303
571
579
507
437
530901
47 06 10.0 1
MOSES LAKE
•JASHINGTON
17 49.1 3
130591
11EPALES ?111202
ooii FEET DEPTH CLASS oo
00400
SH
00410
T ALK
CAC03
MG/L
00610
MH3-N
TOTAL
MG/L
006?5
TOT KJEL
N
00*30 00671
NOPK.N03 PHOS-DIS
N-TOTAL OPTnO
MG/L MR/L P
18
24
23
307
303
571
579
507
437
9.40
9.25
9.20
9.20
9.10
9.10
192
187
193
238
?70
300
0.0?0
0.030
0.050
0.060
0.040
0.080
1.400
1.500
1.800
1.700
?.600
1.700
0.020
0.020K
0.020
0.020K
0.020K
0.0?OK
0.127
0.098
0.424
0.630
0.805
0.665
K VALUE KNOWN TO BE LESS
THAN INDICATED
-------
STOPET RETRIEVAL DATE 7f>/ll/16
MATl FUTR^PHICATIOM SUPVF.Y
FDA-LAS VEGAS
DATE
rn
TIvE OEPT"
OF
DAY FEET
75/04/03 10 25 OOOn
10 35 0005
10 25 001^
10 25 0030
75/07/21 14 55 0000
14 55 0005
14 55 0015
14 55 0030
75/09/10 15 05 0000
15 05 0005
15 05 0015
15 05 0028
00010
WATER
CENT
6.5
6.5
6.5
6.4
24.1
23.8
22.3
18.3
23.9
22.7
19.8
19.3
530902
47 04 10.0 119 19 37.0
MOSES LAKE
WASHINGTON
130591
11EPALES ?111202
0034 FEET DEPTH CLASS oo
00300
00
MG/L
12.0
12.2
12.2
12.0
8.4
9.6
3.8
0.4
19.8
19.2
6.4
0.8
00077
TKANSP
SECCHI
INCHES
42
24
23
00094
CNOUCTVY
FIELD
MICPOMHO
281
281
281
281
440
437
445
470
389
381
373
381
00400
OH
SU
8.95
8.90
8.90
8.90
9.20
9.10
8.30
8.30
9.40
9.40
8.70
8.40
00410
T ALK
CAC03
MG/L
190
189
186
188
165
167
176
204
184
184
185
191
00610
NH3-N
TOTAL
MG/L
0.030
0.040
0.040
0.040
0.040
0.040
0.140
0.650
0.020
0.020K
0.100
0.560
00625
TOT KJEL
Si
MG/L
0.800
0.800
1.000
0.800
1.700
1.700
1.000
1.200
2.400
2.400
1.000
1.400
00630 00671
N02S.N03 PHOS-DIS
N-TOTAL OPTHO
0.120
0.120
0.130
0.130
0.020K
0.020K
0.0?OK
0.020K
0.020K
0.020K
0.020K
0.012
0.010
0.015
0.011
0.046
0.0*3
0.101
0.275
0.064
0.062
0.084
0.155
DATE TIME DEPTH
PPQM OF
TO DAY FEET
75/04/03 10 25 0000
10 ?5 0005
10 25 0015
10 25 0030
75/07/21 14 55 0000
14 55 OOOS
14 55 0015
14 55 0030
75/09/10 15 05 0000
15 05 0005
15 05 0015
15 05 002"
0665
S-TOT
/L P
0.066
0.080
0.095
0.088
O.?18
0.124
0.177
0.290
0.252
0.221
0.131
0.220
32217 00031
CHLPPHYL INCDT I.T
A RFMNING
UG/L OEHCENT
1.6
9.3
80.1
K VALUE KNOWN TO BE LESS
THAN INDICATED
-------
STO=>£T RETRIEVAL OATF.
VATl FUTROP^ICAT I0*> SURVEY
FP4-LAS VEGAS
DATE
F»J(V4
TO
75/04/03
75/07/21
75/09/10
TI*lE DEPTH
OF
DAY FEET
11 05 0000
11 05 000C
11 05 0011
14 10 0000
14 10 0006
14 10 0^13
14 50 000"
14 50 0005
14 50 0011
00010
WATER
Tb*P
CENT
6.8
6.3
6.4
25.2
24.1
2?. 1
23.9
2?. 5
21.1
530903
47 07 22.0 119 18 29.0
MOSES LAKE
53025 WASHINGTON
1
11EPALES 2111202
0015 FEET DEPTH CLASS 00
00300
00
MG/L
10.6
11.0
11.0
12.4
9.8
7.8
13.8
14. f>
10.8
00077
TSftNSP
SECCHI
INCHES
14
24
18
00094
CNDUCTVY
FIELD
MICPOMHO
282
275
272
444
453
456
377
377
383
00400
PH
Sit
8.50
R.50
8.50
9.20
8.80
8.80
9.00
9.10
8.90
00410
T ALK
CAC03
MG/L
183
181
183
169
177
185
174
183
190
00610
NH3-N
TOTAL
MG/L
0.040
0.050
0.040
0.060
0.050
0.060
0.030
0.040
0.050
00625
TOT KJEL
N
MG/L
0,800
0.700
0.700
2.300
1.500
0.700
1.000
1.400
0.800
00630
N02&N03
N-TOTAL
MG/L
O.R80
0.700
0.680
0.020*
0.020
0.020
0.020K
0.040
0.100
00671
PHOS-DIS
OPTHO
Mfi/L P
0.056
0.040
0.036
0.036
0.036
0.028
0.035
0.026
0.031
DATE TIME DEPTH
FPOM OF
TO DAY FEET
75/04/03 11 05 0000
11 OS 0005
11 05 0011
75/07/21 14 10 0000
14 10 0006
14 10 0013
75/09/10 14 50 0000
14 50 0005
14 50 0011
i06fc5
iS-TOT
i/L P
0.135
0.082
0.100
0.111
0.1?0
0.055
0.170
0.2?0
0.089
32217
CHLRPHYL
A
UG/L
3.3
31.4
82.4
00031
IMCDT LT
PFMNING
PERCENT
K VALUE KNOWN TO BE LESS
THAN INDICATED
-------
STOMET RETRIEVAL DATE
VATL f~UT°OPnI
EPA-L&S VEGAS
530904
47 07 01,0 119 20 18.0 3
MOSES LAKE
53025
11EPAUES 2111202
0026 FEET DE^TH CLASS 00
DATE
F = O'
TO
75/04/02
75/07/21
75/09/10
00010
TIME OEPTH *ATEP
OP TEMP
DAY FEET
11
11
11
11
13
13
13
13
14
14
14
35
35
35
35
50
50
50
50
25
25
25
0000
0005
0014
0022
0000
0005
0015
002?
0000
0005
002?
CENT
7.0
6.8
0.6
7.0
22.0
2?.l
20.4
18.2
22.5
21.4
19.5
00300 00077 00094
oo TSANSP CNOUCTVY
<;ECCHI FIELD
MG/L INCHES MICPOMHO
11.0
11.0
11.0
13.4
0.8
10.4
1.8
14.2
12.0
7.8
42 269
270
267
277
48 438
430
442
465
42 366
360
362
00400 00*10
PH T ALK
CAC03
Sll
8.65
8.60
8.60
9.20
9.00
8.90
9.20
9.00
9.00
8.90
MG/L
181
182
176
165
169
178
202
179
183
182
00610 00625 006^0 00*>71
NH3-N TOT KJEL N02*.N03 PHOS-OIS
TOTAL N N-TOTAL OBTHO
MG/L
0.060
0.060
0.070
0.050
O.O^O
0.040
0.360
0.040
0.040
0.190
MG/L
0.600
0.600
0.400
1.000
1.500
0.600
0.900
0.800
l.?00
0.900
MG/L
0.450
0.430
0.400
0.020K
0.0?0
0.020K
0.020K
0.020K
0.020K
0.070
MG/L p
0.019
0.019
0.018
0.019
0.028
0.020
0.185
0.035
0.040
0.065
DATE
FROM
TO
75/04/02
OF
PAV FEET
11 35 0000
11 35 0014
11 35 002?
75/07/21 13 50 OOOn
13 50 0005
13 50 001*
13 50 0022
75/09/10 14 25 0000
14 25 0005
14 25 0022
0665
iS-TOT
/L P
O.OP2
0.074
0.070
0.040
0.097
0.039
0.211
0.150
0.140
0.090
32217 00031
CHLP.PHYL INCDT LT
A PF.MNING
UG/L PFRCENT
11.4
31.4
31.2
K VALUE KNOWN TO BE LESS
THAN INDICATED
-------
RETRIEVAL D«TE 76/11/16
T = 0D~!
EPA-L4S VEGAS
DATE
F^0«
TO
75/04/03
75/07/21
75/09/10
OATE
FROM
TO
75/04/03
75/07/21
75/09/10
TIME
Or
DA Y
13 45
13 45
1 3 45
13 45
13 15
13 15
13 15
13 15
14 05
14 05
14 05
TIME
OF
DAY
13 45
1 3 45
13 45
13 45
13 15
13 15
13 15
13 15
14 05
14 05
14 05
DEPTH
FEET
0000
0005
0013
0021
noon
000?
noi5
0020
oooo
000^
0021
DEPTH
FEET
0000
0005
0013
0021
0000
0005
001*
002"
noon
0005
0021
00010
WATER
TtMP
CENT
6.9
6.7
6.5
6.3
22.1
22.2
18.5
17.3
20.2
20.2
19.2
00665
PMOS-TOT
MG/L P
0.041
0.096
0.065
0.069
0.04?
0.044
0.083
0.202
0.110
n.123
0.198
00300 00077
00 THANSP
MG/L
11
11
11
11
12
13
5
0
5
5
0
3221
^tCCril
INCHES
.i 44
.2
.4
.6
.H 60
• c.
.6
.R
.6 100
.2
.6
7 00031
00094
CNOUCTVY
FIELD
MICP.OMHO
270
266
265
265
430
442
450
459
363
357
365
CHLPPHYL INCDT LT
A
UG/L
7
10
2
PFMNING
PERCENT
.8
.3
.0
530905
47 10 06.0 119 20 02.0 3
"OSES LAKE
53025 WASHINGTON
11EP«LES
0025 FEET
2111302
CLASS 00
194
:TVY
i
iMhO
270
266
265
265
430
442
450
459
363
357
365
00400
PH
SU
8.70
8.70
fl.70
8.65
8.90
9.00
8.50
8.00
8.60
8.60
8.25
00410
T ALK
CAC03
MG/L
177
178
179
180
155
1S9
180
194
184
184
193
00610
NH3-N
TOTAL
MG/L
0.050
0.060
0.050
0.050
0.040
0.020
0.250
0.420
0.270
0.300
0.620
00625
TOT KJEL
N
MG/L
0.600
O.SOO
0.600
0.600
1.500
0.700
0.600
n.Roo
0.800
0.900
1.200
006TO
N02&N03
N-TOTAL
MG/L
0.360
0.380
0.380
0.400
0.020K
0.020K
0.020K
0.02QK
0.060
0.060
0.060
00671
PHDS-OIS
OPTHO
Mr,/L P
0.017
0.012
0.01?
0.010
0.016
0.015
O.P98K
0.183
0.075
0.076
0.158
K VALUE KNOWN TO BE LESS
THAN INDICATED '
-------
APPENDIX D
TRIBUTARY AND WASTEWATER
TREATMENT PLANT DATA
-------
STOHET RETRIEVAL DATE 76/11/16
NATL EUTROPHICATION SURVEY
FPA- LAS VEGAS
5309A1
47 05 00.0 119 20 00.0 4
CRAB CREEK
53 7.5 MOSES LAKE S
0/MOSES LAKE
BNK 50 FT E SEC RO BRDG 1.8 M
11EPALES 2111204
0000 FEET DEPTH CLASS 00
130591
S WESTLAKE
OATF
TO
74/09/22
74/12/08
75/01/14
75/01/19
75/02/05
75/02/16
75/03/03
75/03/18
75/04/02
75/04/27
75/05/05
75/07/01
75/08/13
00630 00625
TIME DEPTH N02S.N03 TOT KJEL
OF N-TOTAL N
OAY FEET
13
12
17
09
15
12
14
17
16
12
19
20
20
00
30
00
45
30
35
40
10
45
50
00
30
00
MG/L
0
0
0
0
0
0
0
0
0
0
0
0
0
.068
.304
.232
.256
.288
.432
.352
.300
.095
.140
.040
.020
.005
MG/L
1.
0.
0.
0.
0.
0.
0.
0.
1.
0.
0.
1.
1.
600
700
400
450
400
900
800
700
000
800
950
100
050
00610 00671 00665
NH3-N PHOS-OIS PHOS-TOT
TOTAL ORTHO
MG/L
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
045
030
112
024
032
040
088
055
080
075
050
070
025
MG/L P
0
0
0
0
0
0
0
0
0
0
0
0
0
.135
.030
.027
.016
.024
.040
.064
.040
.025
.045
.055
.085
.025
MG/L P
0.210
0.070
0.030
0.025
0.040
0.050
0.090
0.090
0.080
0.080
0.090
0.140
0.090
K VALUE KNOWN TO BE LESS
THAN INDICATED
-------
STORE! RETRIEVAL 04TE 76/11/16
NATL EUTROPH1CATION SURVEY
EPA- LAS VEGAS
DATE TIME DEPTH NO?*,N03
FROM OF
TO DAY FEET
74/09/22
74/12/08
75/01/14
75/01/19
75/02/05
75/02/16
75/03/03
75/03/18
75/04/02
75/04/27
75/05/30
75/07/01
75/08/13
10 30
11 40
19 15
10 20
16 50
13 20
15 25
16 15
18 05
13 35
20 00
18 45
18 50
5309A2
47 11 23.0 119 27 18.0 4
CRAR CREEK
53 7.5 MOSES LAKE N
T/MOSES LAKE
SCNDRY ROAD 8RDG 4.5 MJ ME OF MOSES LAKF
HEPALES 2111204
0000 FEET DEPTH CLASS 00
0630
R.N03
OTAL
G/L
O.S60
1.200
1.360
1.240
1.200
1.010
0.448
1.050
0.910
1.150
0.740
0.77Q
00625
TOT KJEL
N
MG/L
0.400
1.000
0.400
0.600
0.500
1.100
0.900
1.100
1.150
1.150
0.675
0.450
0.600
00610
NH3-N
TOTAL
MG/L
0.007
0.060
0.056
0.080
0.064
0.096
0.024
0.100
0.017
0.040
0.135
0.0?5
0.025
00671
PHOS-DIS
ORTHO
MG/L P
0.015
0.050
0.056
0.064
0.056
0.076
0.048
0.125
0.105
0.035
0.085
0.020
0.030
00665
PHQS-TOT
MG/L P
0.037
0.060
0.070
0.070
0.080
0.080
0.090
0.220
0.220
0.140
0.115
0.040
0.060
-------
(
c
STOSET RE
KUTL
EPA- LAS VEC-*S
E T6/11/16
FROM
TO
74/09/22
74/12/08
75/01/14
75/01/19
75/02/05
75/02/16
75/03/03
75/03/18
75/04/02
75/04/27
75/05/30
75/07/01
75/08/13
5309B1
47 09 45.0 119 15 20.0 4
GROCKY COULEE WASTEWAY
53 7.5 MOSES LAKE N
T/MOSES LAKE 130591
8HIOGE ON BRDWAY AVE 1.8 H NE JCT HtaY 11
11EPALES P111204
0000 FEET DEPTH CLASS 00
£ OCPTM
DAY
11 2*
11 55
18 50
10 00
16 3«
13 15
15 ?5
17 25
17 50
13 30
19 00
19 00
00630 00625
MO?^.N03 TOT KJEL
i^-TOTAL N
MG/L
.600
.760
.760
.760
.200
.780
.760
.500
.450
0.800
0.440
1.300
1.450
MG/L
0.200
0.300
0.700
0.500
0.300
0.700
0.350
0.300
0.300
0.500
1.290
0.350
0.400
00610 00671 00665
NH3-N PHOS-DIS PHOS-TOT
TOTAL ORTHO
MG/L
0.025
0.030
0.176
0.064
0.064
0.112
0.016
0.025
0.025
0.045
0.070
0.040
0.025
MG/L P
0.080
0.100
0.120
0.088
0.080
0.144
0.120
0.055
0.150
0.074
0.035
0.075
0.065
MG/L P
0.095
0.110
0.160
0.100
0.110
0.220
0.130
0.080
0.180
0.153
0.070
0.100
0.080
-------
STORET QETRIEVAL DATE 76/11/16
N4TL
EPA- LAS VEGAS
DATE TIME DEPTH NO?*N03
FPQM OF
TO DAY FEET
74/09/2?
74/12/08
75/01/15
75/01/19
75/02/05
75/02/16
75/03/03
75/03/18
75/04/0?
75/04/27
75/05/30
75/07/01
75/08/13
10
11
10
12
17
14
11
16
18
14
IB
18
18
00
13
15
00
30
00
20
40
30
15
30
00
20
5309D1
49 15 42.0 119 27 18.0 4
ROCKY FORD CREEK
53 7.5 GRANT ORCHOS
T/MOSES LAKE
BROG ON HWY 11G 8.2 MI NW OF LARSON AFB
11EPALES ?111204
0000 FEET DEPTH CLASS 00
J0630
'I5.N03
roTAL
*G/L
1.260
1.360
1.320
1.320
1.720
1.280
1.320
1.300
1.200
1.250
1.200
1.250
1.300
00625
TOT KJEL
N
MG/L
0.200
0.300
0.500
0.300
0.200
1.400
0.600
0.450
0.225
0.475
0.350
0.350
0.350
00610
NM3-N
TOTAL
MG/L
0.0?5
0.045
0.080
0.032
0.040
0.104
0.072
0.070
0.035
0.0?8
0.055
0.030
0.015
00671
PHOS-DIS
ORTHO
MG/L P
0.085
0.130
0.128
0.120
0.120
0.104
0.144
0.120
0.105
0.116
0.105
0.095
0.105
00665
PHOS-TOT
MG/L P
0.120
0.150
0.150
0.120
0.120
0.130
0.170
0.150
0.130
0.152
0.130
0.120
0.160
-------
STOPET PFTPTEVAL 09T"i 76/11/16
NATL EUTPOPHICATIO?" SURVEY
EPA- LAS VEGA?
5309?! TF530921 P012500
47 07 07.0 119 17 06.0 4
MOSFS LAKE
53 7.5 MOSES LAKF N
D/MOSES LAKE * 130591
"OSES LAKE
11EPALES 2141204
0000 FEET OF.PTH CLASS 00
DATE
FSOM
TO
74/i?/n
CP-
75/03/11
75/04/10
CP{TI-
75/04/10
75/05/12
CP(T)-
75/05/12
75/06/13
CP-
75/07/15
75/08/13
CP(T)-
75/08/13
75/09/10
CP(T) -
75/09/10
75/10/09
CP(T)-
75/10/09
75/11/12
00630
TIME OF.PTH N02«.N03
Of- N-TOTAL
OAV FEET MG/L
07
16
07
16
08
16
08
16
07
16
07
15
07
16
07
16
07
15
07
15
07
16
07
on
00
30
00
no
00
00
on
30
00
30
00
30
00
00
00
30
00
30
in
30
00
30
13.700
13.200
3.840
14.000
1 .440
15.800
ft. 000
^.200
^.100
7.500
10.000
00625
TOT KJEL
N
MG/L
8.000
8.000
7.860
7.300
6.700
4.700
2.600
R.925
16.500
7.?00
7.300
00610 00671 00665
MH3-N PHOS-OIS PHOS-TOT
TOTAL, OP.THO
MG/L MG/L P MG/L P
0.050K 5.«00
0.050 3.000
0.434 5.100
0.670 7.600
O.OflOK
0.650 7.700
0.5?0 7.050
0.060 6.200
0.160 6.650
0.170 6.900
0.230 6.450
7.100
6.850
6.991
8.600
8.600
7.900
7.400
6.500
7.700
7.500
7.800
50051 50053
FLO* CONDUIT
BATE FLOW-MOD
INST MGD MONTHLY
0.932
0.900
0.987
0.834
0.916
0.890
1.110
1.120
o.4?e
0.396
0.957
0
0
0
1
0
0
0
1
0
1
1
.873
.996
.908
.010
.892
.930
.980
.030
.340
.120
.060
75/12/16 07 30
75/12/16 16 on
13.200
5.500
0.730 7.300
9.700
0.838
0.852
-------
APPENDIX E
PARAMETRIC RANKINGS OF LAKES
SAMPLED BY NES IN 1975
STATE OF WASHINGTON
Mean or median values for six of the key parameters evaluated
in establishing the trophic conditions of Washington lakes sampled
are presented to allow direct comparison of the ranking, by parameter,
of each lake relative to the others. Median total phosphorus, median
inorganic nitrogen and median dissolved orthophosphorus levels are
expressed in mg/1. Chlorophyll a_ values are expressed in yg/1.
To maintain consistent rank order with the preceding parameters,
the mean Secchi disc depth, in inches, is subtracted from 500.
Similarly, minimum dissolved oxygen values are subtracted from 15
to create table entries.
-------
LAKE DATA TO BE USED IN RANKINGS
LAKE
CODE . LAKE NAME
5301 AMERICAN LAKE
5302 BANKS LAKE
5303 CHELAN LAKE
5304 DIAMOND LAKE
5305 GPEEN LAKE
5306 KEECHELUS LAKE
5307 MAYFIELD LAKE
5308 MEDICAL LAKE
5309 MOSES LAKE
5310 07ETTE LAKE
5311 SAMMAMISH LAKE
5312 WHATCOM LAKE
5313 LOWER GRANITE RESERVOIR
MEDIAN
TOTAL P
0.027
0.021
0.005
0.014
0.027
0.007
0.014
0.275
0.115
0.010
0.015
0.009
0.033
MEDIAN
INORG N
0.105
0.040
0.070
0.060
0.050
0.040
0.100
0.225
0.150
0.110
0.210
0.320
0.150
500-
MEAN SEC
343.000
364.533
111.900
303.667
415.000
280.250
402.000
401.714
463.600
403.333
374.000
288.000
435.500
MEAN
CHLORA
4.822
7.373 ,
0.905
14.537
2.983
1.400
4.250
16.425
29.060
1.225
7.290
3.422
4.875
15-
MIN DO
15.000
10.800
6.400
14.200
10.600
9.200
10.600
15.000
14.600
7.200
14.600
10.800
7.200
MEDI;
DISS ORTi
0.007
0.007
0.003
0.010
0.009
0.002
0.007
0.166
0.038
0.009
0.006
0.009
0.022
-------
PERCENT OF LAKES WITH HIGHER VALUES (NUMBER OF LAKES WITH HtGHER VALUES)
LAKE
CODE LAKE NAME
5301 AMERICAN LAKE
5302 BANKS LAKE
5303 CHELAN LAKE
5304 DIAMOND LAKE
5305 GREFN LAKE
5306 KEECHELUS LAKE
5307 MAYFIELD LAKE
5309 MEDICAL LAKE
5309 MOSES LAKE
5310 07ETTE LAKE
5311 SAMMAMISH LAKE
5312 WHATCOM LAKE
5313 LOWER GRANITE RESERVOIR
MEDIAN
TOTAL P
29 1
42 1
100 1
6? 1
29 I
92 1
62 1
0 1
8 i
75 i
50 i
83
17
: 3)
: 5)
: 12)
[ 7)
[ 3)
[ 11)
1 7)
! 0)
1 1)
( 9)
( 6)
( 10)
( 2)
MEDIAN
INORG N
50 (
100 (
67 I
75 (
83 (
92 (
58 (
8 (
29 (
42 (
• 17 (
0 (
29 (
6)
12)
8)
9)
10)
11)
7)
1)
3)
5)
2)
0)
3)
500-
MEAN SEC
67 (
58 (
100 (
75 <
17 I
92 1
33 (
42 1
0 <
25 1
50 I
83 i
8 i
8)
7)
12)
! 9)
: 2>
: in
I *)
: 5)
; o)
t 3)
! 6)
( 10)
( 1)
MEAN
CHLORA
50 (
25 <
100 1
17 1
75 1
83 1
58 1
8 1
0 1
92 I
33 i
67
42
! 6)
: 3)
: 12)
: 2)
[ 9)
; 10)
[ 7)
[ i)
; o>
i ID
( 4)
( 8)
( 5)
15-
MIN DO
4 1
46 <
100 (
33 1
62 1
75 1
62 1
4 {
21 1
87 1
21 i
46 '
87
; ( o)
; 5)
: 12)
! 4)
[ 7)
! 9)
I 7)
[ 0)
I 2)
; 10)
1 2)
( 5)
( 10)
MEDIAN
DISS ORTMO
58 1
71 1
92 (
25 I
46 1
100 (
71 1
0 1
8 1
33 I
«3 i
46
17
: 7)
: p)
: in
I 3)
t 5)
! 1?)
[ 8)
I 0)
r 1)
[ 4)
( 10)
( 5)
( 2)
------- |