U.S. ENVIRONMENTAL PROTECTION AGENCY
NATIONAL EUTROPHICATION SURVEY
WORKING PAPER SERIES
RETORT
ON
FOSSRESERWIR,
CUSTER COUNTY
OKLAHOMA
EPA REGION VI
WORKING PAPER No, 587
CORVALLIS ENVIRONMENTAL RESEARCH LABORATORY - CORVALLIS, OREGON
and
ENVIRONMENTAL MONITORING & SUPPORT LABORATORY - LAS VEGAS, NEVADA
699-440
-------
REPORT
ON
FOSS RESERVOIR,
CUSTER COUNTY
OKLAHOm
EPA REGION VI
WORKING PAPER No, 587
WITH THE COOPERATION OF THE
OKLAHOMA DEPARTMENT OF POLLUTION CONTROL
AND THE
OKLAHOMA NATIONAL GUARD
MARCH, 1977
-------
REPORT ON FOSS RESERVOIR
CUSTER COUNTY, OKLAHOMA
EPA REGION VI
by
National Eutrophication Survey
Water and Land Monitoring Branch
Monitoring Applications Laboratory
Environmental Monitoring & Support Laboratory
Las Vegas, Nevada
and
Eutrophication Survey Branch
Corvallis Environmental Research Laboratory
Corvallis, Oregon
Working Paper No. 587
OFFICE OF RESEARCH AND DEVELOPMENT
U.S. ENVIRONMENTAL PROTECTION AGENCY
March 1977
-------
CONTENTS
Page
Foreword i i
List of Oklahoma 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 18
VI. Appendices 19
-------
n
FOREWORD
The National Eutrophtcatlon Survey was Initiated in 1972 in
response to an Administration commitment to investigate the nation-
wide threat of accelerated eutrophication 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 Takes 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 in 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 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 is formatted to provide state
environmental agencies with specific information for basin
Elanninq [§303(e)}, water quality criteria/standards review
§303(c)], 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.
-------
m
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 Oklahoma Department of
Pollution Control for professional involvement, to the Oklahoma
National Guard for conducting the tributary sampling phase of the
Survey, and to those Oklahoma wastewater treatment plant operators
who provided effluent samples and flow data.
Dr. Denver Talley, Director, Oklahoma Department of Pollution
Control; the staff of the Oklahoma Water Resources Board; and the
staff of the Oklahoma State Department of Health reviewed the pre-
liminary reports and provided critiques most useful in the prepara-
tion of this Working Paper Series.
Major General John Coffey, Jr., the Adjutant General of
Oklahoma, and Project Officers Colonel Curtis W. Milligan and
Major James 0. Haney, Jr., who directed the volunteer efforts of
the Oklahoma National Guardsmen, are also gratefully acknowledged
for their assistance to the Survey.
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IV
NATIONAL EUTROPHICATION SURVEY
STUDY LAKES
STATE OF OKLAHOMA
LAKE NAME
Altus Reservoir
Arbuckle Lake
Lake Elsworth
Lake Eufaula
Fort Cobb Reservoir
Fort Supply Reservoir
Foss Dam Reservoir
Lake Frances
Grand Lake 0' The Cherokees
Lake Hefner
Keystone Reservoir
Oologah Lake
Tenkiller Ferry Reservoir
Lake Thunderbird
Wister Reservoir
COUNTY
Greer, Kiowa
Murray
Caddo, Comanche
Haskell, Mclntosh
Okmulgee, Pittsburg
Caddo
Woodward
Custer
Adair
Mayes, Delaware, Craig,
Ottowa
Oklahoma
Tulsa, Creek, Osage, Pawnee
Nowata, Rogers
Cherokee, Sequoyah
Cleveland
LeFlore
-------
FOSS RESERVOIR
Sewage Treatment Facility
Tributary Sampling Site
x Lake Sampling Site
./- Drainage Area Boundary
Land Subject to Inundation
» ',°
-------
REPORT ON FOSS RESERVOIR, OKLAHOMA
STORE! NO. 4007
I. CONCLUSIONS
A. Trophic Condition:*
Survey data indicate that Foss Reservoir is early eutro-
phic. Of the 16 Oklahoma lakes (including Lake Texoma) sam-
pled in 1974, 14 had greater median total phosphorus values,
12 had greater median inorganic nitrogen levels, and 15 had
greater median orthophosphorus values than Foss Reservoir.
Chlorophyll a_ values in the lake ranged from 1.9 yg/1 to
6.8 yg/1, with a mean of 4.9 yg/1. Potential for primary
production as measured by algal assay control yield was low
in both spring and autumm sampling. Secchi disc readings
ranged from 0.5 m - 1.7 m, suggesting possible light limita--
tion in portions of the reservoir.
Survey limnologists did not observe any nutrient-related
problem conditions such as algal blooms or aquatic nacrophytes
during the visits to the lake. However, other studies (Ketelle
and Uttormark, 1971; Oklahoma Department of Pollution Control,
1975) report that the reservoir is no longer of use as a
municipal or industrial water supply due to an excessive
accumulation of dissolved solids.
*See Appendix E.
-------
B. Rate-Limiting Nutrient:
Mean inorganic nitrogen to orthophosphorus (N/P) ratios for
the reservoir data were 8/1 and <6/l in the spring and fall, respec-
tively, indicating primary limitation by nitrogen, and 24/1 in
June suggesting phosphorus limitation at that time. Algal assay
results indicated primary limitation by phosphorus during spring
and fall sampling, and low potentials for primary production in
Foss Reservoir at those times.
C. Nutrient Controllability:
1. Point sources -
The mean annual phosphorus load from point sources was
estimated to be 3.8% of the total load reaching Foss Reservoir
during the 1974 sampling year. The city of Mammon contributed
this entire load.
During the sampling year, outflows from Foss Reservoir
were minimal or absent, and the Foss Reservoir outlet (Washita
River, tributary A-l) was not sampled. It would appear that
the lake intermittently acts as a nutrient sink, and any future
proposed nutrient contributions to the reservoir should be
considered in this light. However, additional sampling is
needed to determine the true retention time and nutrient budget
of Foss Reservoir before any conclusions as to nutrient con-
trollability can be drawn.
-------
2. Nonpoint sources -
Nonpoint sources (including precipitation) contributed
96.2% of the total phosphorus load to Foss Reservoir. The
Washita River contributed 61.1% of the total, Quartermaster
Creek contributed 18.4%, and ungaged drainage areas were es-
timated to have contributed 10.2%.
The phosphorus export rates of the Washita River and
2
Quartermaster Creek were 2 and 4 kg/km /yr, respectively
(see Section IV-D) . The rates are quite comparable to the two
gaged tributaries impacting nearby Altus Reservoir* (range
of 2-3 kg/km2/yr).
*See Working Paper No. 581, "Report on Altus Reservoir".
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II. LAKE AND DRAINAGE BASIN CHARACTERISTICS
Lake and drainage basin characteristics are itemized below.
Lake surface area and mean depth were provided by the Oklahoma
Department of Pollution Control; maximum depth was provided by
the Oklahoma Water Resources Board. Tributary flow data were pro-
vided by the Oklahoma District Office of the U.S. Geological Survey
(USGS). Outlet drainage area includes the Take 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 Eutrophication Survey (NES) Working
Paper No. 175. A table of metric/English conversions is included as
Appendix A.
A. Lake Morphometry:
2
1. Surface area: 35.61 km .
2. Mean depth: 8.9 meters.
3. Maximum depth: 36.0 meters.
4. Volume: 316.929 x 106m3.
5. Mean hydraulic retention time: 15,948 days (43.7 yrs).
-------
B. Tributary and Outlet:
(See Appendix B for flow data)
1. Tributaries -
Drainage Mean flow
Name area(km2) (m3/sec)
A-2 Washita River 3120.9 2.19
C-l Quartermaster Creek 455.8 0.43
Minor tributaries and
immediate drainage - 246.7 0.27
Totals 3823.4 2.89
2. Outlet - A-l Washita River 3859.1 0.23
C. Precipitation:
1. Year of sampling: 63.2 cm.
2. Mean annual: 62.7 cm.
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III. LAKE WATER QUALITY SUMMARY
Foss Reservoir was sampled three times during the open-water
season of 1974 by means of a pontoon-equipped Huey helicopter. Each
time, samples for physical and chemical parameters were collected
from three stations on the lake (Station 03 was sampled only twice)
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 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 15.2 meters at Station 01, 6.1 meters at Station
02, and 8.8 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 max-
imum 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.
-------
FOSS
COOE HOOT
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-------
8
B. Biological Characteristics:
1. Phytoplankton -
Sampling
Date
03/29/74
06/10/74
10/24/74
Dominant
Genera
1. Dactylococcopsis
2. Synedra
3. Oscillatoria
4. Ankistrodesmus
5. Navicula
Other genera
Total
1. Oscillator! a
2. Ankistrodesmus
3. Merismopedia
4. Chroomonas
5. Mougeotia
Other genera
Total
1. Oscillatoria
2. Oocystis
3. Raphidiopsis
4. Tetraedron
5. Ankistrodesmus
Other genera
Total
Algal
Units
per ml
1
,029
676
412
235
147
295
2,794
555
149
85
64
64
321
1,238
2,864
92
69
69
23
116
3,233
-------
2. Chlorophyll a_
Sampling Station Chlorophyll
Date Number (yg/1)
03/29/74 01 3.4
02 6.1
03
06/10/74 01 1.9
02 3.5
03 3.8
10/24/74 01 6.8
02 6.8
03 6.6
-------
10
C. Limiting Nutrient Study:
1. Autoclaved, filtered, and nutrient spiked -
Ortho P Inorganic N Maximum Yield
Spike(mg/l) Conc.(mg/1) Conc.(mg/l) (mg/1-dry wt.)
a. 03/29/74
Control 0.010 0.095 0.1
0.05 P 0.060 0.095 2.5
0.05 P + 1.0 N 0.060 1.095 3.4
1.00 N 0.010 1.095 0.1
b. 10/24/74
Control 0.008 0.093 0.2
0.05 P 0.058 0.093 1.9
0.05 P + 1.0 N 0.058 1.093 22.6
1.00 N 0.008 1.093 0.2
-------
n
2. Discussion -
The control yield of the assay alga, Selenastrum capri-
cornutum, indicates that the potential primary productivity of Foss
Reservoir was low at both times samples were collected (03/29/74,
10/24/74). The increases in yield with the addition of phosphorus
alone or nitrogen and phosphorus simultaneously indicate phosphorus
limitation. However, the very low response to simultaneous nitrogen
and phosphorus spikes in the spring assay suggests that some other
factor rapidly became growth limiting. The response noted in the
corresponding fall assay run is a far more typical one. In both
assays, the addition of nitrogen alone did not result in a yield
significantly greater than that of the control. However, there were
substantial losses in nutrients in the samples during storage and/or
preparation for assay. The significance of the findings must there-
fore be tempered accordingly.
Mean N/P ratios in the lake data were 8/1 and <6/l in the
spring and fall, respectively, suggesting primary limitation by
nitrogen at those times. The mean N/P ratio of 24/1 in June
suggests phosphorus limitation at that time (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 Oklahoma
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 months of April and May when two samples were
collected. Sampling was begun in November 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 Oklahoma 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 tribu-
taries are those measured minus known point source loads, if any.
Nutrient loadings for unsampled "minor tributaries and imme-
diate drainage" ("II" of USGS) were estimated by using the mean
2
annual nutrient loads, in kg/km /year, in Quartermaster Creek at
2
Station C-l, and multiplying the means by the II area in km .
Nutrient loads for the city of Hammon wastewater treatment
plant were estimated at 1.134 kg P and 3.401 kg N/capita/year.
-------
A. Waste Sources:
1. Known municipal
Name
Hammon
Pop.*
Served
325
13
Treatment*
Stabilization
pond
Mean Flow
(m3/d x 103)
0.123**
Receiving
Water
White Shield Creek/
Washita River
2. Known industrial - None
*U.S.EPA, 1971.
**Estimated at 0.3785 m3/capita/day.
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14
B. Annual Total Phosphorus Loading - Average Year:
1. Inputs -
% of
Source kg P/yr total
a. Tributaries (nonpoint load) -
A-2 Washita River 5,915 61.1
C-l Quartermaster Creek 1,775 18.4
b. Minor tributaries and immediate
drainage (nonpoint load) - 985 10.2
c. Known municipal STP's -
Mammon 370 3.8
d. Septic tanks* - 5 <0.1
e. Known industrial - None
f. Direct precipitation** - 625 6.5
Totals 9,675 100.0
2. Output - A-l Washita River ?
*Estimate based on 15 lakeshore residences.
**Estimated (see NES Working Paper No. 175).
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15
C. Annual Total Nitrogen Loading - Average Year:
1. Inputs -
% of
Source kg N/yr total
a. Tributaries (nonpoint load) -
A-2 Washita River 118,385 60.7
C-l Quartermaster Creek 23,960 12.3
b. Minor tributaries and immediate
drainage (nonpoint load) - 13,075 6.6
c. Known municipal STP's -
Mammon 1,105 0.6
d. Septic tanks* - 160 0.1
e. Known industrial - None
f. Direct precipitation** - 38.445 19.7
Totals 195,130 100.0
2. Output - A-l Washita River ?
*Estimate based on 15 lakeshore residences.
**Estimated (see NES Working Paper No. 175).
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16
D. Mean Annual Nonpoint Nutrient Export by Subdrainage Area:
2 2
Tributary kg P/km /yr kg N/km /yr
Washita River 2 38
Quartermaster Creek 4 53
E. Mean Nutrient Concentrations in Ungaged Streams:
Mean Total P Mean Total N
Tributary (mg/1) (mg/1)
B-l Panther Creek 0.230 1.830
D-l Wild Horse Creek 0.075 2.849
Phosphorus levels in Panther Creek, tributary B-l, are sub-
stantially higher than those found in the other sampled tribu-
taries of Foss Reservoir.
-------
17
F. 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 be applicable to water
bodies with very short retention times or in which light penetration
is severely restricted from high concentrations of suspended solids
in the surface waters.
Total Yearly
Phosphorus Loading
(g/m2/yr)
Estimated loading for Foss Reservoir 0.27
Vollenweider's "eutrophic" loading 0.09
Vollenweider's "oligotrophic" loading 0.05
-------
18
V. LITERATURE
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.
Oklahoma Department of Pollution Control. 1975. Water Quality
Management Plan, Upper Red River Basin. Oklahoma Pollution
Control Coordinating Board, Oklahoma City, Oklahoma.
U.S. Environmental Protection Agency. 1971. "Inventory of Waste-
water Treatment Facilities" EPA Publication No. OWP-1, Volume
6. Office of Media Programs, Office of Water Programs, Washing-
ton, D.C.
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.
Vollenweider, R. A. 1975. Input-Output Models With Special
Reference to the Phosphorus Loading Concept in Limnology.
Schweiz. Z. Hydrol. 37:53-84.
-------
19
VI. APPENDICES
APPENDIX A
CONVERSION FACTORS
-------
CONVERSION FACTORS
Hectares x 2.471 = acres
Kilometers x 0.6214 = miles
Meters x 3.281 = feet
Cubic meters x 8.107 x 10~4 = 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
-------
RY FLOtf INFORMATION FOR OKLAHOMA
03/25/77
LAKE COJE "007
FOSS DA*
TOTAL DRAINAGE A=*EA OF LAKt
-------
7PI8UTA*y FLO* INFORMATION FuR OKLAHOMA
03/25/77
LAKE CGOE 4007
FOSS DAM
<»OG7C1
MONTHLY Fi_owb AND DAILY FLO*S(CMS)
YLA^ MEAN FLO.V 'JAY
11
12
. 1
2
3
u
S
6
7
8
9
10
11
12
1
2
3
<*
5
6
7
8
q
10
74
74
75
75
75
75
75
75
75
75
Ib
75
74
74
75
75
75
75
75
75
75
75
75
75
C.425
0.065
0.054
0.227
o. ns
0.144
0.623
0.73
-------
APPENDIX C
PHYSICAL AND CHEMICAL DATA
-------
RETRIEVAL 0
-------
SlVt'l riET^IfvAL- DATE 77/C3/24
4u0701
35 32 28.0 099 11 14.0
FGSS 0AM RESERVOIR
40039 OKLAHOMA
101*91
11EPALES
0040 FEET
0*001002
UtPTn CLASS 00
DATE
FRO",
TO
74/03/29
74/06/10
74/1U/24
00665 32217 00031
TT'E QEPTri PMOS-TGT CnLRPHYL INCUT LT
OF A REMNING
DAY FE.CT
14
14
14
14
14
14
14
14
14
14
14
14
14
14
12
12
12
12
00
00
00
00
35
?5
35
35
35
35
35
35
35
35
30
30
30
30
DOOO
0005
0015
0035
0000
0002
OoOS
0012
0015
0030
0035
3040
0045
0050
0000
0005
U020
0033
MO/L P UG/L PERCENT
j
i>
n
0
0
0
A
0
0
3
0
\1
0
0
0
c
.026 3.4
.027
.024
.032
.Olv 1.9
50.0
.022
1.0
.016
.012
.01 3
.013
.016
.023
.029 6.8
.037
.030
.029
-------
STU»ET t?£TPIE\/AL C'ATt 77/OJ/24
/TYPA/AM«NT/L6<£
OATC
P30M
TO
74/03/29
74/06/10
74/10/24
TIME DEPTH
OF
DAY FEET
13 40 0000
13 40 0005
13 40 0015
16 05 0000
1 tft
LESS TH,,N I-JOICATEO
-------
ST'JRET RETRIEVAL UATr 77Yi,3/'24
400703
35 3* 14.0 099 12 31.0 4
FOSb 0AM KLSERVOIK
40039 OKLAHOMA
100691
/TYPfc/AMBNT/LAKE
DATE TIME DEPTH
FROM OF
TO
74/06/10
74/10/24
DATE
FROM
TO
74/06/1C
74/10/24
DAY
lf> 35
16 35
16 35
16 35
12 05
12 05
12 05
12 05
TIME
OF
DAY
16 35
16 35
16 35
16 35
12 05
12 05
12 05
12 05
FEET
0000
OOOS
T01S
0029
0000
0005
0015
0027
DEPTH
FEET
0000
0005
0015
0029
0000
0005
0015
0027
00010
.VATER
TEMP
CENT
2-4.2
23.9
22.9
22. d
17.0
17.0
17.0
16.9
00665
PHOS-TOT
MG/L P
1.017
''.022
O.Old
0.020
0.032
u.030
0.029
0.0 J4
00300 OC077 00094
DO TKANSr> CNDUCTVY
SECCHI FIELD
MG/L
8
8
7
7
ft
a
7
8
3221
INCHES MICROMHO
.2
.4
.2
.2
.4 32
.4
.2
.2
7 00031
2162
2152
2102
2097
1879
1879
1879
1875
HEHALES 04001002
0033 FEET DEPTH CLASS 00
00400 00410 00610 00625
Pri T ALK NH3-N TOT KJEL
CAC03 TOTAL N
SU
b.2n
8.20
8.25
8.20
8.39
8.39
8.39
8.37
MG/L
155
155
155
155
142
144
143
142
MG/L
0
0
0
0
0
0
0
0
.060
.070
.060
.080
.020
.U20K
.020*
.020K
MG/L
0.800
0.600
0.600
0.600
0.700
0.500
0.500
0.500
CHLPPHYL INCDT LT
A
UG/L
3
6
REMNING
PERCENT
.fi
.6
00630 00671
N028.N03 PhOb-DIS
N-TOTAL ORTrtO
MG/L P
0.080
0.150
0.100
0.130
0.020K
0.020K
0.02iM
0.020K
0.009
0.004
0.004
0.003
0.004
0.010
0.005
0.006
K VuLUE KNOWN TO 8^
LESS THAN INOICAT£.O
-------
APPENDIX D
TRIBUTARY AND WASTEWATER
TREATMENT PLANT DATA
-------
STORE!
DATE 77/03/24
/TYPA/AMbNT/STREAM
40U7A2
35 40 45.0 099 19 25.0 4
40 15 HAMMON
T/FOSS RESE^VOI* 101491
FARM RD BROG 3.2 MI E OF HwY 34 JCT
11EPALES 04001004
0000 FEtT OEPTh CLASS 00
DATE TIME OEPTh N02&N03
FROM OF
TO DAY FEET
74/11/03
74/12/15
75/01/19
75/02/15
75/03/16
75/04/05
75/04/19
75/05/04
75/05/18
75/06/24
75/08/10
14 05
09 30
09 30
14 05
10 15
13 ?0
09 45
20 40
10 15
20 40
10 ?0
0630
I&N03
OTAL
IG/L
C . 368
0.048
0.040
0.032
O.OrfO
1.570
0.005
0.010
0.050
0.075
0.280
00625
TOT KJEL
N
MG/L
2.3GO
0.900
1.700
1.100
3.^00
0.550
1.400
0.600
1.580
1.450
0.650
G0610
NH3-N
TOTAL
MG/L
C.025
0.030
0.040
0.024
0.088
0.065
0.030
0.030
0.055
0.035
0.030
OC671
PriOS-OIS
OPTHO
MG/L P
0.010
0.020
0.008
0.005K
U . 0 1 0
0.010
0.070
0.035
0.030
00665
PHOS-TOT
MG/L P
0.040
0.070
0.050
0.010K
0.040
0.040
0.260
0.380
0.090
VALUE
TO 8£
-------
RETRIEVAL JAPE 77/03/24
00630
DATE TIME DEPTH
FROM OF N-TOTAL
TO DAY FEET MG/L
7.5/05/18 10 40 0.1 dO
75/06/24 20 45 0.230
00625
TOT KJEL
N
MG/L
1.300
60610
Nrl3-rj
TOTAL
MG/L
0.095
0.035
00671
PHOS-DIS
URTHO
MG/L P
0.020
0.045
4007J1
J5 35 45.0 099 17 2b.O 4
PANTnE^ C-
-------
iaTORET RETRIEVAL DATF 7//C3/2*
4007C1
35 40 55.0 099 19 15.0 4
QUARTERMASTER CREEr
<»0 15 HAMMON
T/FOSS RESERVOIR 10149]
FARM RO tJROG 3.2 Ml bt OF HwY 34. JCT
11EPALES 04001004
0000 FEET OEPTr' CLASS 00
DATE
FROM
TO
74/11/03
74/12/15
75/01/19
75/02/15
75/03/16
75/04/06
75/04/19
75/05/04
75/05/18
75/08/10
TIME
OF
DAY i
14 30
09 35
09 40
14 20
10 30
13 10
10 30
20 30
10 30
10 30
FEET
0063U
N'02&N03
M-TOTAL
MG/L
0.352
c.oee
0.072
C.072
0.152
1.570
0.055
0.250
0.160
0.210
00625
TOT KJEL
N
MG/L
1.100
1.000
l.?00
3.700
0.400
0.50C
2.600
1.050
0.900
00610
Nrt3-N
TOTAL
MG/L
0.045
0.035
0.016
0.056
0.040
0.095
0.030
0.055
0.060
0.035
00671
PnOS-OIS
ORTHO
MG/L P
0.010
3.010
0.008K
0.00 OK
0.005*
0.005K
0.025
0.035
0.030
00665
PriOS-TOT
MG/L P
0.050
0.020
0.040
0.040
0.040
0.020
0.200
0.230
0.120
K V4LUE KNOWN TO BE
LESS THAN INOIC«T£L>
-------
STOftET RETRIEVAL OATF 77/r>3/!?'»
DATE
TIME Ot-PTn
OF
TO DAY FEET
74/11/03 14 55
74/12/15 09 40
75/01/19 09 50
75/02/15 14 30
75/03/16 11 00
75/04/06 13 3C
75/04/19 10 07
75/05/04 20 15
75/06/24 31 00
75/08/10 10 45
400701
35 41 50.0 099 Id 30.0 4
WlLO rlOSSE
40 15
T/FOSS SE3ERVOM 1014*1
HU 6»DG 2.8 MI E OK HWY 34 JCT
04001004
0000 FEET DEPTH CLASS 00
0630
a.i\03
OTAL
ti/L
0.41C)
0.6?4
1.330
0.800
1.800
1.45J
0.630
C.330
0.290
0.700
00625
TOT KJEL
N
MO/L
4.20C
i.eoo
3.350
1.300
4.300
0.075
1.3CO
3.700
0.550
0.650
00610
NH3-N
TOTAL
MO/L
0.040
n.035
n.048
0.033
O.P56
0.035
0.04Q
0.070
0.075
O.C60
00671
PrIOS-UIS
OKTHO
MG/L h>
J.040
0.005
0.015
o.ooex
O.OOHi^
0.005
0.010
0.035
C.035
0.025
00665
PHOS-TOT
MG/L r>
0.040
0.030
O.ObO
0.010K
0.140
0.090
0.090
K VI\LOE MsiowN ro BE.
LESS THAN TNDICJTEO
-------
PEKCKNT OF LAKES «ITH HIGHER VALUES (NUMBr« OF LAKES *ITH HIPnES VALUES)
LAKE
CODE LAKE NAME
4001 ALTUS RESERVOIR
4002 APUiJCKLE LAKE
4003 LAKfc fcLLSrtORTh
4004 LAKE EIIFAIILA
4005 FOKT COHB H
4006 FOPT SUPPLY
4015 W1STER RESERVOIR
4834 TEXOMA LAKE
^E^IAN
TOTAL P
60 (
100 (
80 (
2f> (
73 (
33 (
93 (
0 (
13 (
47 (
7 (
40 (
67 (
87 (
27 (
53 (
9)
15)
12)
3)
11)
5)
14)
0)
2)
7)
1)
6)
10)
13)
4)
3)
MEDIAN
INORG N
100
90
90
33
73
67
80
0
7
40
13
20
27
60
47
53
( Ib)
( 13)
t 13)
( 5)
( 11)
( 10)
( 12)
( 0)
( 1)
( 6)
( 2)
( 3)
( 4)
( 9)
( 7)
( 8)
SOO-
MEAIM SEC
47 (
93 (
80 (
27 (
87 (
0 (
60 (
7 (
40 (
67 (
13 (
20 .(
100 (
53 {
33 (
73 (
7)
14)
12)
4)
13)
0)
9)
1)
6)
10)
2)
3)
15)
8)
5)
11)
MEAN
CHLOHA
13 1
53 (
33 (
100 1
7 1
27 1
87 1
47 1
60 1
73 1
0 1
80 1
67 1
40 1
93 1
20 1
: 2)
! 8)
[ 5)
1 15)
! 1)
t 4)
1 13)
1 7)
[ 9)
[ 11)
I 0)
! 12)
1 10)
I 6)
[ 14)
I 3)
15-
MIN 00
80 (
33 (
60 (
47 (
80 (
100 (
80 (
93 (
20 (
67 (
13 (
33 (
3 (
53 (
3 <
33 <
11)
4)
9)
7)
11)
15)
11)
14)
3)
10)
2)
4)
0)
8)
0)
»
4)
MEOIAN
DISS ORT^O P
73 <
93 (
87 (
33 (
67 (
60 (
100 (
7 (
13 (
20 (
0 (
27 (
50 (
80 (
40 (
50 (
11)
14)
13>
S)
10)
«)
15)
1)
2>
3)
0)
4)
7)
1?>
6)
7)
------- |