U.S. ENVIRONMENTAL PROTECTION AGENCY
NATIONAL EUTROPHICATION SURVEY
WORKING PAPER SERIES
REPORT
ON
HAYDENLAKE
KOOTENAI COUNTY
IDAHO
EPA REGION X
WORKING PAPER No, 781
CORVALLIS ENVIRONMENTAL RESEARCH LABORATORY - CORVALLIS, OREGON
and
ENVIRONMENTAL MONITORING & SUPPORT LABORATORY - LAS VEGAS, NEVADA
-------
REPORT
ON
HAYDENLAKE
KOOTENAI COUNTY
IDAHO
EPA REGION X
WORKING PAPER No, 781
WITH THE COOPERATION OF THE
IDAHO DEPARTMENT OF HEALTH AND WELFARE
AND THE
IDAHO NATIONAL GUARD
JULY, 1977
-------
REPORT ON HAYDEN LAKE
KOOTENAI COUNTY, IDAHO
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
Corvallis, Oregon
Working Paper No. 781
OFFICE OF RESEARCH AND DEVELOPMENT
U.S. ENVIRONMENTAL PROTECTION AGENCY
July 1977
-------
CONTENTS
Page
Foreword i i
List of Idaho Study Lakes iv
Lake and Drainage Area Map v
Sections
I. Conclusions 1
II. Lake and Drainage Basin Characteristics 4
III. Lake Water Quality Summary 6
IV. Nutrient Loadings 12
V. Literature Reviewed 16
VI. Appendices 17
-------
ii
FOREWORD
The National Eutroph1cat1on Survey was Initiated 1n 1972 1n
response to an Administration commitment to Investigate the nation-
wide threat of accelerated eutrophlcatlon 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 eutrophication 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 eutrophlcatlon 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 is formatted to provide state
environmental agencies with specific Information for basin
planning [§303(e)], water quality criteria/standards review
[§303(cJ], clean lakes [§314(a,bj], and water quality monitoring
[§106 and §305(b)] activities mandated by the Federal Water
Pollution Control Act Amendments of 1972.
-------
111
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 Idaho Department of Health
and Welfare for professional involvement, to the Idaho National
Guard for conducting the tributary sampling phase of the Survey,
and to those Idaho wastewater treatment plant operators who pro-
vided effluent samples and flow data.
The staff of the State of Idaho Department of Health and
Welfare, Division of Environment, provided invaluable lake docu-
mentation and counsel during the Survey, reviewed the preliminary
reports and provided critiques most useful in the preparation of
this Working Paper Series.
Major General James S. Brooks, Adjutant General of Idaho, and
Project Officer Major Vestal L. Baker, who directed the volunteer
efforts of the Idaho National Guardsmen, are also gratefully
acknowledged for their assistance to the Survey.
-------
IV
NATIONAL EUTROPHICATION SURVEY
STUDY LAKES
STATE OF IDAHO
LAKE NAME
American Falls Reservoir
Cascade Reservoir
Coeur d'Alene Lake
Dworshak Reservoir
Mauser Lake
Hayden Lake
Island Park Reservoir
Lake Lowell (Deer Flat Reservoir)
Magic Reservoir
Palisades Reservoir
Payette Lake
Lower Twin Lake
Upper Twin Lake
COUNTY
Bannock, Bingham, Power
Valley
Benewah, Kootenai
Clearwater
Kootenai
Kootenai
Fremont
Canyon
Elaine, Camas
Bonneville (Lincoln in WY)
Valley
Kootenai
Kootenai
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47°50 —
47 "45-
®
X
o *~
I
1
0
HAYDEN LAKE
Tributary Sampling Site
Lake Sampling Site
Drainage Area Boundary
5 1,° Km.
2>/ 5 Ml.
Scale
116°45'
116°40'
116°35'
-------
REPORT ON HAYDEN LAKE, IDAHO -
STORE! NO. 1606
I. CONCLUSIONS
A. Trophic Condition:*
Survey data indicate that Hayden Lake is early mesotrophic.
Chlorophyll a_ values in the lake ranged from 1.8 yg/1 in the
fall to 4.6 yg/1 in the spring with a mean of 2.8 yg/1. Potential
for primary production as measured by algal assay control yield
was moderately low in the spring sample (04/04/75) and high in
the fall (09/10/75) sample. Lake water transparency was excellent.
Of the 13 Idaho lakes sampled in 1975, 11 had higher median total
phosphorus values (0.010 mg/1), 11 had higher median inorganic
nitrogen levels (0.040 mg/1), and all had higher median ortho-
phosphorus (0.003 mg/1) values than Hayden Lake.
Survey limnologists did not report any problem conditions
during their visits to the lake. The Idaho Department of Water
Resources, et al. (1975), however, report existing pollution due
to residential development, irrigation return and inadequate
sewage systems.
*See Appendix E.
-------
B. Rate-Limiting Nutrient:
The algal assay results indicate that Hayden Lake was phosphorus
limited at the time of sampling (04/04/75, 09/10/75). Lake data
indicate phosphorus limitation in the spring and fall, and nitrogen
limitation in the summer.
C. Nutrient Controllability:
1. Point sources -
There were no known municipal or industrial point sources
impacting Hayden Lake during the sampling year. Septic tanks
were estimated to account for 12.0% of the total phosphorus load
to the lake.
2. Nonpoint sources -
Hayden Creek contributed 28.8%, Mokins Creek contributed
15.0%, and the ungaged tributaries and immediate drainage con-
tributed an estimated 24.1% of the total phosphorus loading to
Hayden Lake.
The Idaho District Office of the U.S. Geological Survey
(Bill Harenburg, personal communication) reports that all water
in Hayden Lake either seeps out through the lake bottom or is
pumped out for irrigation. Therefore, no information is avail-
able on the outflow of nutrients, and the net nutrient accumu-
lation in Hayden Lake cannot be determined. Additional sampling
-------
is needed to determine the true nutrient budget for the lake
before recommendations on nutrient controllability can be made.
-------
II. LAKE AND DRAINAGE BASIN CHARACTERISTICS
Lake and drainage basin characteristics are itemized below.
Lake surface area, mean depth and volume were provided by Herman Ray
(personal communication). Maximum depth was estimated on the basis
of National Eutrophication Survey (NES) data. Tributary flow data
were provided by the Idaho District Office of the U.S. Geological
Survey (USGS). Outlet drainage area includes the lake surface area.
Precipitation values are estimated by methods as outlined in NES
Working Paper No. 175. A table of metric/English conversions is
included as Appendix A.
A. Lake Morphometry:
2
1. Surface area: 17.00 km .
2. Mean depth: 7.3 meters.
3. Maximum depth: 54.2 meters.
4. Volume: 123.349 x 106 m3.
5. Mean hydraulic retention time: ?
-------
B. Tributary and Outlet:
(See Appendix B for flow data)
1. Tributaries -
Drainage^ Mean flow
Name area (km ) (m3/sec)
A-2 Hayden Creek 73.8 0.91
C-l Mokins Creek 20.2 0.25
D-l Avondale Lake Outlet 5.5 0.07
Minor tributaries and
immediate drainage - 44.9 0.77
Totals 144.4 2.00
2. Outlet - A-l Irrigation ditch 161.4
C. Precipitation:
1. Year of sampling: 86.1 cm.
2. Mean annual: 84.2 cm.
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III. LAKE WATER QUALITY SUMMARY
Hayden 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
three stations on the lake and from a number of depths at each station
(see map, page v). During each visit, depth-integrated samples were
collected from each station for chlorophyll a_ analysis and phyto-
plankton indentification and enumeration. During the first and last
visits, 18.9-liter depth-integrated samples were composited for algal
assays. Maximum depths sampled were 20.1 meters at Station 01, 52.7
meters at Station 02, and 51.8 meters at Station 03. For a more
detailed explanation 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 maximum
depth for each site. Results of the phytoplankton counts and chlorophyll
^determinations are included in III-B. Results of the limiting
nutrient study are presented in III-C.
-------
HAYOE.S LAKE
STOPET COOE 16(»6
N-
Pfl^Gc.
PHYSICAL AND CHEMICAL CHARACTERISTICS
( 4/ 4/75 ) ( 7/23/75 )
1JAX MAX
S*«» = 3 DEPTH
MANGE
N« HiANGE MEDIAN (METERS)
•••••EOlftfM <*ETE*S>
N«
( 9/10/75 >
MAX
S««» = 3 DEPTH
RANGE
RANGE MEDIAN «METERS>
TEMPERATURE (OEG CFwT I
O.-l.S y.OtPTri
MAX DFPTH**
DISSOLVED OXYGEN i
O.-l.S M OEPTH
MAX DEPTH**
CONDUCTIVITY
6
3
ft
3
ft
3
6
3
3
4.1-
4.2-
11 .6-
11.4-
27.-
25.-
7.1-
7.4-
22.-
0.007-0
O.OOfi-0
0.002-0
0.002-0
0.020-0
0.0?0-0
0.020-0
0.020-0
0.200-0
0.200-0
5.4-
4.3
4.3
12.8
11. ft
37.
36.
7.5
7.5
30.
32.
.018
.Oftl
.003
.002
.020
.020
.020
.020
.800
.300
8.8
4!2
11. b
11.5
3n.
29.
7.5
7.5
2ft.
0 . 0 ) U
o.ni3
0.0fl2
o.on2
0.0?0
0.0?0
0.2nu
7.6
51.8-
0.0-
19.Q-
0.0-
19.8-
0.0-
19.8-
0.0-
19.H-
0.0-
19.8-
0.0-
19.8-
0.0-
19.8-
0.0-
19.3-
0.0-
19.8-
1.5
51.8
l.b
51 .B
1.5
51.8
1.5
SI. 8
1.5
si. a
1.5
SI. 6
l.b
51.8
1.5
51. «
1.5
si. e
1.5
51.8
3
S
3
s
3
5
3
3
5
3
3
5
3
5
3
5
3
1
24.5- 25.9
7.2- 9.3
8.8- 10.2
8.4- 8.8
47.- 60.
32.- 35.
7.4- 8.6
7.1- 7.9
27.- 38.
33.- 36.
0.005-0.012
0.010-0.151
0.009-0.012
0.009-0.012
0.020-0.020
0.020-0.020
0.020-0.040
0.020-0.040
0.200-0.400
0.200-0.400
4.2- 4.2
25.4
7.9
9.6
8.6
52.
33.
8.1
7.6
34.
35.
0.010
0.015
0.010
0.009
0.020
0.020
0.030
0.030
0.300
0.300
4.2
0.0-
?0.1-
0.0-
20.1-
0.0-
20.1-
0.0-
20.1-
0.0-
20.1-
o.o-
20.1-
0.0-
20.1-
0.0-
20.1-
0.0-
20.1-
0.0-
20.1-
1.5
52.7
1.5
52.7
1.5
52.7
1.5
52.7
1.5
52.7
1.5
52.7
1.5
52.7
1.5
52.7
1.5
52.7
1.5
52.7
6
3
5
3
6
3
6
3
6
3
6
3
6
3
6
3
6
3
6
3
0
15.2- 15.4
1.0- 3.5
8.6- 9.0
3.2- 10.0
38.- 45.
23.- 51.
7.4- R.O
7.1- 7.8
26.- 32.
29.- 30.
0.008-0.013
0.010-0.042
0.002-0.008
0.002-0.008
0.020-0.020
0.020-0.040
0.020-0.020
0.020-0.020
0.200-0.200
0.200-0.300
»•«»»-•»»»«
15.2
1.1
8.8
8.8
44.
27.
7.6
7.3
30.
30.
0.009
0.011
0.004
0.002
0.020
0.020
0.020
0.020
0.200
0.200
»«»»«
0.0-
1<».5-
0.0-
19.5-
0.0-
19.5-
0.0-
19.5-
0.0-
19.5-
0.0-
19.5-
0.0-
19.5-
0.0-
19.5-
0.0-
19.5-
0.0-
19.5-
1.5
51.8
1.5
51.8
1.5
51.8
1.5
51.8
1.5
51.8
1.5
51.8
1.5
51. 6
1.5
51.8
1.5
51.8
1.5
51.8
* N = NO. OF SAMPLES
** MAXIMUM DEPTH bAMPI.ED AT EACH SITE
**» s = NO. OF SITES SAMPLED ON THI«; DATE
-------
B. Biological Characteristics:
1. Phytoplankton -
Sampling
Date
04/04/75
07/23/75
09/10/75
Dominant
Genera
1.
2.
3.
4.
5.
1.
2.
3.
4.
1.
2.
3.
Dinobryon
Melosira
Asterionella
Ankistrodesmus
Cyclotella
Other genera
Total
Dinobryon
Cyclotella
Anabaena
Ankistrodesmus
Other genera
Total
Stephanodiscus
Chroomonas
Aphanothece
Other genera
Total
Algal
Units
per ml
510
198
170
113
113
58
1,162
333
212
30
30
605
80
32
16
128
-------
2. Chlorophyll .a -
Sampling Station Chlorophyll a_
Date Number (yg/1)
04/04/75 01 4.6
02 3.3
03 3.2
07/23/75 01
02 3.3
03 2.0
09/10/75 01 1.8
02 2.0
03 2.1
-------
10
C. Limiting Nutrient Study:
1. Autoclaved, filtered, and nutrient spiked
a. 04/04/75
Spike (mg/1)
Control
0.05 P
0.05 P + 1.0 N
1.00 N
b. 09/10/75
Ortho P
Cone, (mg/1)
0.005
0.055
0.055
0.005
Spike (mg/1)
Control
0.05 P
0.05 P + 1.0 N
1.00 N
Ortho P
Cone, (mg/1)
0.015
0.065
0.065
0.0.15
Inorganic N
Cone, (mg/1)
0.020
0.020
1.020
1.020
Inorganic N
Cone, (mg/1)
0.055
0.055
1.055
1.055
Maximum Yield
(mg/1-dry wt.)
0.2
1.3
21.1
0.2
Maximum Yield
(mg/1-dry wt.)
1.5
5.9
35.4
1.6
-------
11
2. Discussion -
The control yields of the assay alga, Selenastrum capri-
cornutum, indicate that the potential for primary production was
moderately low in Hayden Lake during the spring sampling (04/04/75)
and high during fall sampling (09/10/75). The increase in growth
yield beyond that of the control caused by the addition of phosphorus,
as well as the lack of response to the addition of nitrogen indicates
phosphorus limitation in both assays. Maximum yield over that of the
control was achieved with the simultaneous addition of both phosphorus
and nitrogen.
The mean inorganic nitrogen to orthophosphorus (N/P) ratios for
the spring, summer, and fall sampling were approximately 20/1, 5/1,
and 14/1, respectively, suggesting phosphorus limitation in the spring
and fall and nitrogen limitation in the summer (a mean N/P ratio of
14/1 or greater generally reflects phosphorus limitation).
-------
12
IV. NUTRIENT LOADINGS
(See Appendix D for data)
For the determination of nutrient loadings, the Idaho National
Guard collected monthly near-surface grab samples from each of the
tributary sites indicated on the map (page v), except for the high
runoff month of June when two samples were generally collected. Samp-
ling was begun in October 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 provided by
the Idaho District Office of the USGS for the tributary 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 tributaries
are those measured minus known point source loads, if any.
Nutrient loadings for unsampled "minor tributaries and immediate
drainage" ("ZZ" of USGS) were estimated by using the mean annual
2
nutrient loads, in kg/km /year, for Hayden Creek and Indian Creek at
2
Stations A-2 and C-l and multiplying the means by the ZZ area in km .
-------
13
A. Waste Sources:
1. Known municipal - None
2. Known industrial - None
B. Annual Total Phosphorus Loading - Average Year:
1. Inputs -
% of
Source kg P/yr total
a. Tributaries (nonpoint load) -
A-2 Hayden Creek 430 28.8
C-l Mokins Creek 225 15.0
D-l Avondale Lake Outlet —
b. Minor tributaries and immediate
drainage (nonpoint load) - 360 24.1
c. Known municipal STP's - None
d. Septic tanks* - 180 12-°
e. Known industrial - None
f. Direct precipitation** - 300 20-1
Totals 1.495 100.0
2. Outputs - A-l Irrigation ditch
3. Net annual P accumulation - 1,495
*Estimate based on 627 lakeshore residences, 1 park and 1 camp.
**Estimated (See NES Working Paper No. 175).
-------
14
C. Annual Total Nitrogen Loading - Average Year:
1. Inputs -
% of
Source kg N/yr total
a. Tributaries (nonpoint load) -
A-2 Hayden Creek 13,990 22.6
C-l Mokins Creek 8,815 14.2
D-l Avondale Lake Outlet
b. Minor tributaries and immediate
drainage (nonpoint load) - 14,055 22.7
c. Known municipal STP's - None
d. Septic tanks* - 6,785 10.9
e. Known industrial - None
f. Direct precipitation** - 18,355 29.6
Totals 62,000 100.0
2. Outputs - A-l Irrigation ditch
3. Net annual N accumulation - 62,000
*Estimate based on 627 lakeshore residences, 1 park and 1 camp.
**Estimated (See NES Working Paper No. 175).
-------
15
D. Mean Annual Nonpoint Nutrient Export by Subdrainage Area:
2 2
Tributary kg P/km /yr kg N/km /yr
A-2 Hayden Creek 6 190
C-l Mokins Creek 11 436
E. Mean Nutrient Concentrations in Ungaged Streams:
Mean Total P Mean Total N
Tributary (mg/1) (mg/1)
B-l Yellowbanks Creek 0.018 2.100
F. Yearly Loading:
Total Yearly
Phosphorus Loading
(g/m2/yr)
Estimated loading for Hayden Lake 0.09
-------
16
V. LITERATURE REVIEWED
Harenburg, William. 1976. Personal Communication. (Water
Outflow from Hayden Lake) U.S. Geological Survey, Boise, Idaho.
Idaho Department of Water Resources, Department of Health and
Welfare, Department of Fish and Game, and Department of Budget,
Policy Planning and Coordination. 1975. Idaho Environmental
Overview. Boise, Idaho.
Ray, Herman. 1976. Personal communication (morphometric data
of selected Idaho water bodies). Boise, Idaho.
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.
-------
17
VI. APPENDICES
APPENDIX A
CONVERSION FACTORS
-------
CONVERSION FACTORS
Hectares x 2.471 = acres
Kilometers x 0.621 <1 = miles
Meters x 3.281 = feet
-4
Cubic meters x 8.107 x 10 = acre/feet
Square kilometers x 0.3861 = square miles
Cubic motors/sec x 35.315 = cubic feet/sec
Centimeters x 0.3937 = inches
Kilograms x 2.205 - pounds
Kilograms/square kilometer x 5.711 - Ibs/squarc mile
-------
APPENDIX B
TRIBUTARY FLOW DATA
-------
TRIBUTikY FLOW INFORMATION FOR IDAHO
08/23/76
LAKE CODE 1606
HAYDFN
TOTAL DRAINAGE APE4 OF LAKE(SO KM)
161.4
NORMALIZED FLOWS(CMS)
TRIBUTARY
1 6 0 6 A 1
1606A2
1606C1
160601
16067Z
AREA ( S'l KM)
161.4
73.8
20.2
5.5
61.9
JAN
0.0
1.85
0.227
0.057
0.68
FF'B
0.0
1.33
0.368
0.113
1.16
MAP
0.0
?. 15
0.595
0.170
1 .84
APR
0.0
2.44
0.680
0.170
2.01
MAY
0.0
1.64
0.510
0.14?
1.56
JUN
0.0
0.71
0.198
0.057
0.62
JUL
0.0
0.31
0.085
0.023
0.25
AUG
0.0
0.17
0.057
0.014
0.17
SEP
0.0
0.20
0.057
0.014
0.17
OCT
0.0
0.20
0.057
0.017
0.17
MOV
0.0
0.34
0.0«5
0.025
n.2fi
DEC
0.0
0.45
0.113
0.028
0.34
MEAN
0.0
0.91
0.252
0.069
0.77
TOTAL DRAINAGE AREA OF LAKE
SUM OF SUB-DRAINAGE AREAS
MEAN MONTHLY FLOWS AND DAILY FLOwS(CMS)
TRIBUTARY
1606A1
MONTH
YEAH
MEAN FLOW DAY
1606A?
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
74
74
74
75
75
75
75
75
75
75
75
75
74
74
74
75
75
75
75
75
75
75
75
75
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.170
0.028
0.0
0.0
0.0
0.136
0.210
0.221
0.283
0.396
1.161
2.350
3.455
1.019
0.396
0.232
0.184
19
16
14
1R
16
16
19
1«
15
1*
10
19
16
14
1«
16
16
19
1«
15
16
10
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.283
0.057
0.0
0.0
0.127
0.147
0.187
0.651
0.510
0.906
3.002
3.455
0.906
0.396
0.201
SUMMARY
161.4
161.4
TOTAL FLOW IN
TOTAL FLOW OUT
24.11
0.0
FLOW DAY
FLOW DAY
FLOW
30
0.0
30
0.538
-------
TRIBUTARY FLOW INFORMATION FOR IDAHO
08/P3/76
COPE 1606
iiAYDFN
MONTHLY FLOWS AND DAILY FLOWS(CMS)
TPIRUTAQY
1606C1
160601
MONTH
YEAP
10
1 1
1?
1
2
3
4
s
6
7
9
9
10
11
1?
1
2
3
4
5
6
7
8
9
74
74
74
75
75
75
75
75
75
75
75
75
74
74
74
75
75
75
75
75
75
75
75
75
MEAN FLOW DAY
FLO* DAY
0.037
0.057
0.059
0.076
0.108
1.311
0.651
0.914
0.280
0.105
0.062
0.051
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
l<=
16
14
is
16
16
10
1«
15
16
in
10
16
14
18
16
16
19
fl
16
10
0.03*
n.040
n.051
0.181
0.142
0.249
0.821
0.934
0.249
0.110
0.054
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
FLOW DAY
FLO*
30
0.150
15
0.0
30
0.0
-------
APPENDIX C
PHYSICAL AND CHEMICAL DATA
-------
STORET RETRIEVAL DATE 76/08/25
NATL EUTROPHICATION SURVEY
EPA-LAS VEGAS
160601
47 47 29.0 116 41 47.0 3
HAYDEN LAKE
16055 IDAHO
130391
11EPALES
DATE
FROM
TO
75/04/04
75/07/23
75/09/10
DATE
FROM
TO
75/04/04
75/07/23
75/09/10
TI"E DEPTH
OF
DAY FEET
11 50 0000
11 50 0005
11 50 0015
11 50 0040
11 50 0065
14 15 onon
14 15 0005
14 15 0020
14 15 0030
14 15 0066
11 10 0000
11 10 0005
11 10 0020
11 10 0035
11 10 0055
11 10 0064
TIME DEPTH
OF
DAY FEET
1 50 0000
1 50 0005
1 50 0015
1 50 0040
1 50 0065
14 15 0000
14 15 0005
14 15 0020
14 15 0030
14 15 0066
1 10 0000
1 10 0005
1 10 0020
1 10 0035
1 10 0055
1 10 0064
00010
WATER
TF.MP
CENT
25.4
25.9
23.2
17.2
9.3
15.4
15.2
14.7
13.2
4.8
3.5
00665
PHOS-TOT
MG/L P
0.015
0.018
0.315
0.056
0.061
0.011
0.012
0.010
0.010
0.010
0.010
0.011
0.008
0.008
0.008
0.011
00300
DO
MG/L
11.
12.
11.
11.
11.
10.
9.
9.
11.
8.
9.
9.
10.
8.
10.
32217
00077
TRANSP
<=ECCHI
INCHES
8 214
a
2
6
5
0 164
6
8
2
4
0
2
0
8
0
00031
00094
CNDUCTVY
FIELD
MICROMHO
35
37
37
36
36
60
51
45
42
35
45
45
41
37
27
27
0069
00400
PH
SU
7.50
7.50
7.50
7.50
7.45
7.45
a. 60
8.30
7.60
7.60
8.00
7.95
7.95
7.90
7.60
7.80
2111202
FEET DEPTH CLASS
00410
T ALK
CAC03
MG/L
28
30
29
30
29
27
29
29
30
36
29
32
32
31
29
29
00610
NH3-N
TOTAL
MG/L
0.0?OK
0.020K
0.020K
0.020K
0.020K
0.040
0.030
0.020
0.030
0.020
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
00
00625
TOT KJEL
N
MG/L
0.300
0.300
1.100
0.300
0.300
0.400
0.200
0.200K
0.200K
0.300
0.200K
0.200
0.200K
0.200K
0.200K
0.200K
00630
N02&N03
N-TOTAL
MG/L
0.020K
0.020k
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
00671
PHOS-DIS
QRTiO
MG/L P
0.003
0.002
0.002
0.002K
0.002
0.010
0.010
0.008
0.008
0.009
0.002K
0.008
0.003
0.002K
0.002K
0.002
CHLRPHYL IMCDT LT
A
UG/L
4.
REMNING
PERCENT
6
K
VALUE KNOWN TO
BE LESS
THAN INDICATED
1.
8
-------
STOBET RETRIEVAL DATE 76/08/25
IMATL EUTP.OPHICATIOM SURVEY
EPA-LAS VEGAS
DATE
FROM
TO
75/04/04
75/07/33
75/09/10
TIME DEPTH
OF
DAY
14
14
14
14
14
14
14
14
14
14
14
14
14
14
10
10
10
10
10
10
10
FEET
20
20
20
20
20
20
20
40
40
40
40
40
40
40
40
40
40
40
40
40
40
0000
0005
0030
0065
0100
0135
0170
0000
0015
0040
0070
0110
0140
0173
0000
0005
0030
0065
0100
0130
0161
00010
WATER
TEMP
CENT
4.2
4.3
4.2
4.2
4.2
4.2
4.3
25.0
24.8
14.4
8.8
7.5
7.3
7.2
15.3
15.3
14.4
3.2
1.5
1.3
1.1
160602
47 46 33.0 116 42 43.0 3
HAYDEN LAKE
16055 IDAHO
130391
11EPALES_ 2111202
099* FEET DEPTH CLASS oo
00300
DO
MG/L
11.6
11.6
11.6
11.8
11.6
11.6
11.4
9.0
8.4
9.6
10.6
10.6
10.0
8.8
8.6
8.8
8.8
11.0
9.6
9.4
8.8
00077 00094
TRAMSP CNDUCTVY
•=ECCHI FIELD
INCHES MICROMHO
348 33
27
28
27
27
27
29
58
49
32
25
29
30
32
44
39
36
22
21
21
23
00400
PH
su
7.10
7.50
7.50
7.50
7.50
7.50
8.10
8.00
8.00
7.40
7.50
7.40
7.90
7.60
7.60
7.75
7.50
7.30
7.25
7.10
00410
T ALK
CAC03
MG/L
22
24
24
24
27
28
25
36
31
34
32
34
34
35
26
27
28
28
28
28
30
00610
NH3-N
TOTAL
MG/L
O.OPO
0.020K
0.020K
0.020K
0.020K
0.020K
0.020
0.020
0.020
0.040
0.030
0.020K
0.020
0.030
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
00625
TOT KJEL
M
MG/L
0.800
0.200
0.200
0.200K
0.200K
0.200K
0.200K
0.300
0.200K
0.200K
0.200K
0.200K
0.200K
0.400
0.200K
0.200K
0.200K
0.200K
0.200K
0.200K
0.200K
00630
N02J.N03
N-TOTAL
MG/L
0.020
0.020K
0.020K
0.020K
0.020K
0.020K
0.020
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
00671
PHOS-DIS
O»THO
MG/L P
0.003
0.002
0.002K
0.002K
0.002
0.002
0.002K
0.009
0.004
0.008
0.009
0.008
0.008
0.009
0.005
0.004
0.002
0.002K
0.002K
0.002
0.002
K VALUE KNOWN TO BE LESS
THAN INDICATED
-------
STORE! RETRIEVAL DATE 76/08/?5
NATL EUTROPHICATICN SURVEY
EPA-LAS VF6AS
160602
47 46 33.0 116 42 43.0
HAVDEN LAKE
16055 IDAHO
130391
11EPALES
0999 FEET
2111202
DEPTH CLASS 00
DATE
FROM
TO
75/04/04
75/07/23
75/09/10
00665 32217 00031
TIME DEPT* PHOS-TOT CHLPPHYL INCDT LT
OF A REMNING
DAY FEET
14
14
14
14
14
14
14
14
14
14
14
14
14
14
10
10
10
10
10
10
10
20
20
20
20
20
20
20
40
40
40
40
40
40
40
40
40
40
40
40
40
40
0000
0005
0030
0065
0100
0135
0170
0000
0015
0040
0070
0110
0140
0173
0000
0005
0030
0065
oion
0130
0161
MG/L P UG/L PERCENT
0.
0.
0.
0.
0.
0.
0.
0,
0,
0,
0,
0,
0,
0.
0.
0.
0.
0.
0.
0.
0.
,013 3.3
,008
,009
,014
,013
,018
,013
.010 3.3
,009
.010
.011
.009
.010
.151
,013 2.0 -
,009
,011
,009
,OOR
.008
.010
-------
STORE! RETRIEVAL DATE 76/08/25
NATL EUTROPHICATIOW SURVEY
EPA-LAS VEGAS
DATE
TO
75/04/04
75/07/23
75/09/10
00010
TIME DEPTH WATER
OF TEMP
DAY FEET
14
14
14
14
14
14
14
15
15
15
15
15
15
15
10
10
10
10
10
10
10
50
50
50
50
50
50
50
10
10
10
10
10
10
10
05
05
05
05
05
05
05
0000
0005
0030
0065
0100
0135
0170
0000
0005
0020
0050
0090
0125
0168
0000
0005
0035
0066
0105
0140
0170
CENT
4.1
4.1
4.1
4.1
4.1
4.1
4.2
25.8
24.5
24.2
10.7
8.1
7.8
7.9
15.2
15.2
14.2
3.3
1.6
1.3
1.0
160603
47 45 45.0 116 43 12.0
HAYDEN LAKE
16055 IDAHO
130301
11EPALES 2111202
0999 FEET DEPTH CLASS 00
00300
DO
MG/L
11.6
11.6
11.6
11.6
11.4
11.6
10.2
e.e
9.0
11.0
11.2
12.4
8.6
8.6
8.8
8.8
11.?
9.8
9.4
3.2
00077 00094
TRANSP CNOUCTVY
<=ECCHI FIELD
INCHES MICROMHO
300 27
27
27
27
27
25
25
52
47
44
26
23
30
33
43
38
36
21
21
20
51
00400
PH
SU
7.50
7.50
7.50
7.50
7.50
7.50
7.50
7.9Q
8.10
8.05
8.20
7.70
7.30
7.10
7.40
7.40
7.50
7.30
7.10
7.10
7.25
00410
T ALK
CAC03
MG/L
26
26
26
42
30
30
32
38
34
33
35
32
32
33
31
31
33
33
32
28
30
00610
NH3-N
TOTAL
MG/L
0.020K
0.020K
0.0?OK
0.020K
0.020K
0.020K
0.020K
0.030
0.020
0.020
0.020
0.030
0.030
0.040
0.020K
0.020K
0.020K
0.020K
0.020K
0.060
0.020
00625
TOT KJEL
N
MG/L
0.200K
0.200K
0.200K
0.200K
0.200K
0.200K
0.200K
0.300
0.200K
0.200K
0.200K
0.200K
0.200K
0.200K
0.200
0.200
0.200K
0.200
0.200K
0.400
0.300
00630
N02f,N03
N-TOTAL
MG/L
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020
0.020K
0.020 .
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.040
00671
PHOS-DIS
ORTHO
MG/L P
0.002K
0.002K
0.002K
0.002K
0.002K
0.002K
0.002K
0.012K
0.011K
0.010K
0.010K
0.009J
0.008J
0.012K
0.004
0.003
0.003
0.002
0.002
o.ooe
0.008
K VALUE KNOWN TO BE LESS
THAN INDICATED
J VALUE KNOWN TO BE ESTIMATED
-------
STOPET RETRIEVAL DATE 76/08/25
NATL EllTROPHICATION SURVEY
EPA-LAS VF.GAS
160603
47 45 45.0 116 43 13.0
HAYDEN LAKE
16055 IDAHO
130391
11EPALES
0999 FEET
DEPTH
2111203
CLASS 00
DATE
FRO"
TO
75/04/04
75/07/23
75/09/10
00665 33217 00031
TIME DEPTH PHOS-TOT CHLfPHYL INCDT LT
OF A BFMNING
DAY FEET
14
14
14
14
14
14
14
15
15
15
15
15
15
15
10
10
10
10
10
10
10
50
50
50
50
50
50
50
10
10
10
10
10
10
10
05
05
05
05
05
05
05
0000
0005
0030
0065
0100
0135
0170
0000
0005
0020
0050
0090
0135
016«
0000
0005
0035
0066
0105
0140
0170
MG/L P
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
.007
.007
.008
.009
.009
.010
.008
.009
.005
.005
.006
.009
.036
.015
.009
.006
.008
.008
.007
.020
.043
UG/L PERCENT
3.2
2.0
2.1
-------
APPENDIX D
TRIBUTARY AND WASTEWATER
TREATMENT PLANT DATA
-------
STOPET RETRIEVAL DATE 76/08/?5
NATL FUTROPHICATION SUPVEY
EPA- LAS VEGAS
00630
DATE TIME DEPTH N02&N03
FROM OF N-TOTAL
TO DAY FEET MG/L
75/06/15 14 47
1606A1
47 45 00.0 116 45 30.0 4
IRRIGATION DITCH
16055 7.5 HAYDEN
0/HAYOEN LAKE 1303Q1
BELOW CONCRETE DAM NEAR VLGOF HAYDEN LK
11EPALES 2111204
0000 FEET DEPTH CLASS 00
00625
TOT KJEL
N
MG/L
0.350
00610
NH3-N
TOTAL
MG/L
00671
PHOS-DIS
ORTHO
MG/L P
00665
PHOS-TOT
MG/L P
0.040
-------
STORET RETRIEVAL DATE 76/08/25
NATL EUTROPHICATION SURVEY
ERA- LAS VEGAS
DATE TIME DEPTH N02^N03
FROM OF
TO DAY FEET
74/10/19
74/11/16
74/12/14
75/01/18
75/02/16
75/03/16
75/04/19
75/05/18
75/06/15
75/06/30
75/07/16
75/08/10
11
11
12
10
11
09
15
1*
17
15
15
20
45
45
45
40
40
30
07
55
58
50
1606A2
47 48 58.0 116 41 37.0 4
HAVOEN CREEK
16 7.5 HAYDEN LAKE
T/HAYDEN LAKE 130391
SEC RD 9»DG 3.2 Ml NNE OF HARRIS LANDING
11EPALES 21112Q4
0000 FEET DEPTH CLASS 00
0630
R.N03
OTAL
G/L
0.016
0.032
0.040
0.124
O.OR8
0.070
0.075
0.020
0.005
0.005
0.020
0.005
006?5
TOT KJEL
N
MG/L
0.200
0.100
0.300
0.100K
0.900
0.150
0.350
1.000
0.200
0.650
0.050K
1.250
on*m
NH3-N
TOTAL
MG/L
0.010
0.020
0.020
0.010
0.016
0.015
0.010
0.045
0.020
0.010
0.020
0.015
00671
PHOS-DIS
ORTHO
MG/L P
0.010
0.010
0.010
0.010
0.008
0.005K
0.005
0.005
0.010
0.010
0.010
0.005
00665
PHOS-TOT
MG/L P
0.020
0.010
0.030
0.010
0.010K
0.010K
0.040
0.020
0.010
0.010
0.010
0.010
K VALUE KNOWN TO BE LESS
THAN INDICATED
-------
STORET RETRIEVAL DATE 76/08/25
NATL EUTROPHICATION SURVEY
EPA- LAS VEGAS
DATE TIME DEPTH N02&N03
FROM OF
TO DAY FEET
75/04/19 14 35
75/05/18 12 19
75/06/15 13 05
75/06/30 17 05
1606B1
47 45 55.0 116 40 22.0 4
X^LLO^B.A^KS CRE_£(<
16 7.5 HAYOEN LAKE
T/HAYOEN LAKE 130391
SEC RD QRDG 1 MI S OF LEES POINT
11EPALES 2111204
0000 FEET DEPTH GLASS 00
0630
J.N03
OTAL
G/L
0.010
0.005
0.010
0.005
00625
TOT KJEL
N
MG/L
0.050K
2.900
0.050K
1.300
00610
NH3-N
TOTAL
MG/L
0.010
0.065
0.040
0.020
00671
PHOS-DIS
ORTHO
MG/L P
0.010
0.010
0.020
0.010
00665
PHOS-TOT
MG/L P
0.025
0.020
0.020
0.010
K VALUE KNOWN TO BE LESS
THAN INDICATED
-------
STORET RETBIEVAL O^TE 76/08/25
NATL FUTRQPHICATION SURVEY
EPA- |.AS VER4S
DATE TIME DEPTH
FROM OF
TO OAv FEET
74/10/19 10 45
74/11/16 11 25
74/12/14 11 35
75/04/19 14 50
75/05/18 12 04
75/06/15 13 25
75/06/30 15 17
75/07/16 15 35
75/08/10 15 20
1606C1
47 47 00.0 116 40 00.0 4
MOKINS CREEK
16 7.5 HAYDEN LAKE
T/HAYOEN LAKE 130391
SEC RO BRDG 1 Ml NE OF LEFS POINT
HEPALES ?111204
0000 FEET DEPTH CLASS 00
10630
!S.N03
OTAL
IG/L
0.024
0.024
0.048
0.025
0.005
0.005
0.005
0.005
0.005
00625
TOT KJEL
N
MG/L
0.800
0.100K
0.200
0.650
2.600
0.850
0.500
0.200
1.250
00610
NH3-N
TOTAL
MG/L
0.015
0.010
0.015
0.005K
0.040
0.020
0.010
0.015
0.010
00671
PHOS-OIS
ORTHO
MG/L P
0.015
0.020
0.015
0.015
0.010
0.005
0.010
0.005
0.015
00665
PHOS-TOT
MG/L P
0.020
0.020
0.030
0.030
0.020
0.030
0.030
0.020
0.070
K VALUE KNOWN TO BE LESS
THAN INDICATED
-------
STOPET RETRIEVAL DATE 76/08/25
NATL EUTROPHICATION SURVEY
EPA- I AS VEGAS
1606C2
43 03 43.0 112 43 15.0 4
MOKINS CSEEK
16 7.5 SPRINGFIELD
T/HAYDEN LAKE 13G691
CLVRT ON FS «D 3090 2.5 MI Srf OF
11EPALES 2111204
0000 FEET DEPTH CLASS 00
SPRGFLD
DATE
FPQM
TO
75/04/19
75/06/15
75/06/30
75/07/16
75/08/19
TIME DEPTH
OF
DAY FEET
14 55
13 ?0
17 20
15 42
15 33
00630
N02J.N03
N-TOTAL
MG/L
0.005
0.005
0.005
0.005
0.005
00625
TOT KJEL
N
MG/L
0.600
0.175
2.100
0.200
0.850
00610
NH3-N
TOTAL
MG/L
0.010
0.015
0.025
0.015
0.015
00671
PHOS-DIS
OPTHO
MG/L P
0.020
0.005
0.005
0.005
0.015
00665
PHOS-TOT
MG/L P
0.050
0.025
0.020
0.010
0.080
-------
APPENDIX E
PARAMETRIC RANKINGS OF LAKES
SAMPLED BY NES IN 1975
STATE OF IDAHO
Mean or median values for six of the key parameters evaluated
in establishing the trophic conditions of Idaho 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
1601 AMERICAN FALLS RESERVOIR
1602 CASCADE LAKE
1603 LAKE COEUR O'ALENE
1604 DWOKSHAK RESERVOIR
1605 MAUSER
1606 HAYOEN LAKE
1607 ISLAND PARK RESERVOIR
1608 LAKE LOWELL
1609 MAGIC RESERVOIR
1610 PALISADES RESERVOIR
1611 LOWER PAYETTE
1612 LOWER TWIN LAKES
1613 UPPER TWIN LAKES
MEDIAN
TOTAL P
0.105
0.032
0.017
0.010
0.026
0.010
0.034
0.070
0.062
0.024
0.013
0.016
0.017
MEDIAN
INORG N
0.030
0.060
0.040
0.080
0.075
0.040
0.050
0.070
0.130
0.080
0.060
0.050
0.045
500-
MEAN SEC
463.800
415.067
380.348
401.866
366.286
243.500
391.778
477.111
400.750
345.428
234.000
370.000
369.143
MEAN
CHLORA
15.379
8.031
10.391
2.420
11.112
2.787
9.322
25.389
7.322
2.067
4.600
2.318
4.986
15-
MIN DO
14.700
14.800
12.200
7.400
14.800 *
11.800
12.800
14.600
14.700
12.800
9.600
13.600
8.200
MEDI;
DISS ORT>
0.035
0.009
0.005
0.009
0.013
0.003
0.012
0.015
0.020
0.007
0.007
0.009
0.004
-------
PERCENT OF LAKES WITH HIGHER VALUES (NUMBER OF LAKES WITH HIGHER VALUES)
LAKE
CODE LAKE NAME
1601 AMERICAN FALLS RESERVOIR
1602 CASCADE LAKE
1603 LAKE COEUR D'ALENE
1604 DuoRSHAK RESERVOIR
1605 HAUSER
1606 NAYOEN LAKE
1607 ISLAND PARK RESERVOIR
1608 LAKE LOWELL
1609 MAGIC RESERVOIR
1610 PALISADES RESERVOIR
1611 LOWER PAYETTE
1612 LOWER TWIN LAKES
1613 UPPER TWIN LAKES
MEDIAN
TOTAL P
0 <
33 (
67 (
96 <
42 (
96 (
25 1
8 1
17 1
50 I
83 1
75 1
58 1
1 0)
: 4>
: 8)
: ID
5)
: ID
[ 3)
[ i)
t 2)
[ 6)
[ 10)
I 9)
[ 7)
MEDIAN 500-
INORG N MEAN SEC
17 (
54 (
96 (
17 (
33 <
96 <
71 i
42 1
0 <
17 1
54 i
71 <
83 (
; i)
: 6)
; ID
: i)
; 4>
[ in
[ 8)
[ 5)
[ 0)
I 1)
I 6)
( 8) .
[ 10)
8
17
50
25
75
92
42
0
33
83
100
58
67
( 1)
( 2)
( 6)
( 3)
( 9)
( 11)
( 5)
( 0)
( 4)
( 10)
( 12)
( 7)
( 8)
MEAN
CHLORA
8 1
42 (
25 <
83 <
17 (
75 (
33 1
0 (
50 1
100 1
67 1
92 <
58 1
; i)
; 5)
; 3>
! 10)
; 2)
; 9)
: 4>
: o)
[ 6)
I 12)
I 8)
[ 11)
1 7)
15-
MIN DO
21 (
4 (
67 1
100 1
4 1
75 <
54 1
33 1
21 <
54 <
83 I
42 <
92 I
: 2)
[ 0)
: 8>
: 12)
[ 0)
I 9)
I 6)
[ 4)
! 2)
I 6)
I 10)
I 5)
t 11)
MEDIAN
DISS ORTHO
0
50
83
50
25
100
33
17
8
75
67
50
92
( 0)
( 5)
( 10)
( 5)
( 3)
< 12)
( 4)
( 2)
( 1)
t 9)
( 8)
< 5)
( 11)
------- |