U.S. ENVIRONMENTAL PROTECTION AGENCY
NATIONAL EUTROPHICATION SURVEY
WORKING PAPER SERIES
REPORT
ON
WRIGHT PATWN (TEXARKANA) RESERVOIR
BOWIE AND CASS COUNTIES
TEXAS
EPA REGION VI
WORKING PAPER No, 669
CORVALLIS ENVIRONMENTAL RESEARCH LABORATORY - CORVALLIS, OREGON
and
ENVIRONMENTAL MONITORING & SUPPORT LABORATORY - LAS VEGAS, NEVADA
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REPORT
ON
WRIGHT PATWN (TEXARKANA) RESERVOIR
BOWIE AND CASS COUNTIES
EPA REGION VI
WORKING PAPER No, G69
WITH THE COOPERATION OF THE
TEXAS WATER QUALITY BOARD
AND THE
TEXAS NATIONAL GUARD
MARCH, 1977
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CONTENTS
Page
Foreward ii
List of Texas Study Reservoirs iv
Lake and Drainage Area Map vi, vii
Sections
I. Conclusions 1
II. Lake and Drainage Basin Characteristics 5
III. Lake Water Quality Summary 7
IV. Nutrient Loadings . 13
V. Literature Reviewed 19
VI. Appendices 20
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11
FOREWORD
The National Eutrophication 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, concentrations,
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 non-point
source pollution abatement in lake watersheds.
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 water-
shed 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)j, 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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Ill
Beyond the single lake analysis, broader based correlations
between nutrient concentrations (and loading) and trophic condi-
tion are being made to advance the rationale and data base for
refinement of nutrient water quality criteria for the Nation's
fresh water 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 EPA
and to augment plans implementation by the states.
ACKNOWLEDGEMENT
The staff of the National Eutrophication Survey (Office of
Research & Development, U. S. Environmental Protection Agency)
expresses sincere appreciation to the Texas Water Quality Board
for professional involvement, to the Texas National Guard for
conducting the tributary sampling phase of the Survey, and to
those Texas wastewater treatment plant operators who voluntarily
provided effluent samples.
Hugh C. Yantis, Jr., Executive Director of the Texas Water
Quality Board, and John B. Latchford, Jr., Director, and the staff
of the Field Operations Division provided invaluable lake documen-
tation and counsel during the Survey, reviewed the preliminary
reports, and provided critiques most useful in the preparation of
this Working Paper series.
Major General Thomas Bishop, the Adjutant General of Texas,
and Project Officer Colonel William L. Seals, who directed the
volunteer efforts of the Texas National Guardsmen, are also grate-
fully acknowledged for their assistance to the Survey.
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IV
' NATIONAL EUTROPHICATION SURVEY
STUDY RESERVOIRS
State of Texas
NAME
Amistad
Bastrop
Bel ton
Braunig
Brownwood
Buchanan
Caddo
•
Calaveras
Canyon
Colorado City
Corpus Christi
Diversion
Eagle Mountain
Fort Phantom Hill
Houston
Kemp
Lake O'The Pines
Lavon
Lewisville (Garza-Little Elm)
Livingston
COUNTY
Val Verde
Bastrop
Bel1, Coryel1
Bexar
Brown
Burnet, Llano
Harrison, Marion, TX;
Caddo Parish, LA
Bexar
Comal
Mitchell
Jim Wells, Live Oak, San
Patricio
Archer, Baylor
Tarrant, Wise
Jones
Harris
Baylor
Camp, Marion, Morris,
Upshur
Coll in
Denton
Polk, San Jacinto, Trinity,
Walker
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Lyndon B. Johnson
Medina
Meredith
0. C. Fisher (San Angelo)
Palestine
Possum Kingdom
Sam Rayburn
Somerville
E. V. Spence
Stamford
Still house Hollow
Tawakoni
Texoma
Travis
Trinidad
Twin Buttes
White River
Whitney
Wright Patman (Texarkana)
Burnet, Llano
Bandera, Medina
Hutchinson, Moore,
Potter
Tom Green
Anderson, Cherokee,
Henderson, Smith
Palo Pinto, Stephens,
Young
Angelina, Jasper
Nacogdoches, Sabine, San
Augustine
Burleson, Lee, Washington
Coke
Haskell
Bell
Hunt, Rains, Van Zandt
Coo.ke, Grayson TX; Bryan,
Johnston, Love, Marshall, OK
Burnet, Travis
Henderson
Tom Green
Crosby
Bosque, Hill
Bowie, Cass
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WRIGHT PATMAN RESERVOIR
X Lake Sampling Site
f Sewage 'reatren: Facility
H* Drainage Area Boundary
.G Subject to Inundation
Caney Creek
Reservoir
W3/GHT PITMAN
RESERVOIR
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Texas
AT
Mao Location
WRIGHT PATMAN RESERVOIR
@ Trioutary Saupling Site
X Lake Sampling SUe
^Drainage Area Boundary
P Sewage Treatnient Facility
Land Sjbje:i to In^^fj-ation
o 10 20 30 KR.
33'00—
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WRIGHT PATMAN (TEXARKANA) RESERVOIR
STORE! NO. 4833
I. CONCLUSIONS
A. Trophic Condition:
Survey data indicate that Wright Patman Reservoir is eutrophic;
i.e., well supplied with nutrients and quite productive. Whether
nutrient enrichment is beneficial or deleterious depends on the
actual or potential effect on the uses of the reservoir. In this
regard, no nuisance conditions are known to personnel of the
Texas Water Quality Board and there is little or no impairment
of the designated beneficial uses of this water body.
Wright Patman Reservoir ranked thirty-third in overall
trophic quality when the 39 Texas reservoirs sampled in 1974 were
compared using a combination of six water quality parameters*.
Thirty-four reservoirs had less median total phosphorus, 33 had
less median dissolved orthophosphorus, 18 had less and one had
the same median inorganic nitrogen, 32 had less mean chlorophyll
a_, and 33 had greater mean Secchi disc transparency.
Survey limnologists noted heavy growths of submerged and
emergent vegetation at station 4 during the March, May, and
November sampling visits.
* See Appendix A.
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B. Rate-Limiting Nutrient:
The algal assay results indicate that Wright Patman Reservoir
was limited by nitrogen at the time the samples were taken
(03/22/74 and 11/08/74). The reservoir data indicate nitrogen
limitation at all sampling times and stations.
C. Nutrient Controllability:
1. Point sources—During the sampling year, point sources
contributed an estimated 13.8% of the total phosphorus load to
Wright Patman Reservoir. The wastewater treatment plants at
Sulphur Springs contributed 4.5%, the plant at Commerce contribu-
ted 3.9%, and seven other municipal facilities collectively con-
tributed 5.4%. In addition, nine other domestic wastewater
treatment plants discharge to tributaries in the drainage basin
(Wyatt, 1976) beyond the 40-kilometer limit of the Survey*.
These sources may be significant as indicated by the phosphorus
export rates of Sulphur River and Cuthand Creek (see discussion
below).
The present phosphorus loading of 2.05 g/m2/year is more than
two times that proposed by Vollenweider (Vollenweider and Dillon,
1974) as a eutrophic loading (see page 18). However, even complete
removal of phosphorus at the listed point sources would only reduce
the loading to 1.77 g/m2/year; and, regardless of the applicability
of Vollenweider's eutrophic level to Texas reservoirs, because of
the persistent nitrogen-limited condition of the reservoir, it does
See Working Paper No. 175, "...Survey Methods 1973-1976".
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not see likely that control of phosphorus at those sources would
result in a shift to phosphorus limitation. Further investigation
is needed to more accurately determine the controllability of
phosphorus from all sources in the drainage basin, including land-
use practices (see non-point discussion below).
There was an apparent phosphorus loss from the reservoir during
the sampling year (see page 16). This probably is due in part to
the great distances that the sampling sites were located upstream
from the reservoir (see map, page vii); i.e., the entire phosphorus
load from each drainage area would not have been measured. Also,
it is possible that the loss may be the result of underestimation
of point sources which discharge below tributary sampling sites;
e.g., to Sulphur River below L-l and Cuthand Creek below M-l.
2. Non-point sources--Non-point sources contributed an esti-
mated 86.2% of the total phosphorus input to Wright Patman Reser-
voir during the sampling year. The Sulphur River contributed
44.4%, and seven other gaged tributaries collectively contributed
21.0% of the total. Ungaged minor tributaries and immediate
drainage were estimated to have contributed 19.9%.
The phosphorus export rates of Sulphur River (32 g/km2/year)
and Cuthand Creek (29 kg/km2/year) were appreciably higher than
the rates of the other measured tributaries in the drainage basin
(see page 17). This may be indicative of an underestimation of
point sources impacting those streams, the impact of point sources
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beyond the 40-kilometer Survey limit, or land-use practices.
However, the export rates of the tributaries of this reservoir
are similar to the rates of the tributaries of nearby Lake 0'
The Pines* and may be typical of this part of the state because
of greater precipitation.
.* Working Paper ,No. 648
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II. RESERVOIR AND DRAINAGE BASIN CHARACTERISTICS1
A. Morphometry :
1. Surface area: 126.13 kilometers2.
2. Mean depth: 3.0 meters.
3. Maximum depth: >4.6 meters.
-4. Volume: 373.727 x 10s m3.
5. Mean hydraulic retention time: 57 days.'
B. Tributary and Outlet:
(See Appendix C for flow data)
1. Tributaries -
Drainage Mean flow
Name area (km2)* (m3/sec)*
Rock Creek , 27.2 0.203
Elliot Creek 21.5 0.160
Caney Creek 18.4 0.135
Big Creek 40.4 0.297
Rice Creek 46.6 0.342
White Oak Creek 1,712.0 13.340
Sulphur River 3,535.3 29.960
Cuthand Creek 600.9 5.160
Minor tributaries &
immediate drainage - 2.789.0 25.920
Totals 8,791.3 . 75.517
2. Outlet -
Aqueduct 0.0 1.287**
Sulphur River 8,917.4 74.620
Totals 8,917.4*** 75.907
t Table of metric conversions—Appendix B.
tt Laurent, 1976 (mean volume and surface area in 1974).
* For limits of accuracy, see Working Paper No. 175.
** Anonymous, 1975.
*** Includes area of reservoir.
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C. Precipitation*
1. Year of sampling: 156.5 centimeters,
2. Mean annual: 118.4 centimeters.
See Working Paper No. 175.
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III. WATER QUALITY SUMMARY
Wright Patman Reservoir was sampled four times during 1974 by
means of a pontoon-equipped Huey helicopter. Each time, samples for
physical and chemical parameters were collected from one or more depths
at four stations on the reservoir (see map, page vi). During each visit,
a single depth-integrated (4.6 m or near bottom to surface) sample was
composited from the stations for phytoplankton identification and enumeration;
and during the first visit, a single 18.9-liter depth-integrated sample
was composited for algal assays. Also each time, a depth-integrated
sample was collected from each of the stations for chlorophyll a_ analysis.
The maximum depths sampled were 4.6 meters at stations 1 and 2, 4.9
meters at station 3, and 1.5 meters at station 4.
The sampling results are presented in full in Appendix D and are
summarized in the following table (August nutrient samples were not
preserved properly and were not analyzed).
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A. SUMMARY OF PHYSICAL AND CHEMICAL CHARACTERISTICS FOR TEXARKANA LAKE
STORET CODE 4633
TEMP (C)
DISS OXY (MG/L)
CNOCTVY (MCROMO)
Pri (STAND UNITS)
TOT ALK (MG/D
TOT P (MG/D
ORTHO P (MG/L)
N02»N03 (MG/L>
AMMONIA (MG/L)
KJEL N (MG/L)
INORG N (MG/L)
TOTAL N (MG/L)
ChLRPYL A (UG/L)
SECCHI (METERS)
1ST SAMPLING ( 3/22/74)
4 SITES
RANGE
13.5 - 16. »« _.««««».. »««»«»»«
•»«««&« —»«««««. »««««««*»««*o«e
13.7 - 16.8 15.3
0.3 - 0.9 0.7
15. J
0.7
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A. SUMMARY OF PHYSICAL AND CHEMICAL CHARACTERISTICS FOK TEXARKANA LAKE
STOrfET CODE <*633
PARAMETER
TEMP (C)
DISS OXY (MG/L)
CNDCTVY (MCROMO)
PH (STAND UNITS)
TOT ALK (MG/L)
TOT P (MG/L)
OKTHO P (MG/D
N02+N03 (MG/L)
AMMONIA (MG/D
K.JEL N (MG/L)
INORG N (MG/D
TOTAL N (MG/L)
CHLRPYL A (UG/L)
SECCHl (METERS)
4TH SAMPLING
8/74)
4 SITES
RANGE MEA,\
16.3
5.0
99.
6.3
34.
0.087
0.024
0.02U
0.040
0.300
0.070
0.340
1.5
0.3
- 18.4
7.6
144.
7.1
58.
- 0.227
- 0.141
- 0.060
- 0.080
- 0.800
- 0.140
- O.B60
- 13.7
0.6
17.1
6.6
117.
6.7
40.
0.150
0.078
0.04?
0.059
0.500
0.101
0.542
6.6
0.4
MEDIAN
16. B
6.8
110.
6.7
37.
0.164
0.0d4
0.040
0.060
0.500
0.100
0.540
5.6
0.3
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10
Biological characteristics:
1. Phytoplankton -
Sampl1ng
Date
03/22/74
05/31/74
08/23/74
11/08/74
Dominant
Genera
1.
2.
3.
4.
5.
1.
2.
3.
4.
5.
1.
2.
3.
4.
5,
1.
2.
3.
4.
5.
Melosira SJD.
Centric diatoms
Nitzschia sp.
Chroomonas sp.
Dactylococcopsis sp.
Other genera
Total
Centric diatoms
Melosira sp.
Pennate diatoms
Chroomonas sp.
Merismopedia sp.
Other genera
Total
Melosira sp.
Oscillatoria sp.
Nitzschia _§£.
Lyngbya sp_.
Dactylococcopsis sp.
Other genera
Total
Melosira sp.
Chroomonas sp.
Dactylococcopsis sp.
Oscillatoria sp.
Nitzschia sp_.
Other genera
Algal Units
per ml
12,223
4,824
1,495
1,158
579
338
1.846
10,240
2,795
2,056
1,529
1,002
738
3.586
11,706
1,211
413
330
248
221
1,294
Total
3,717
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11
2. Chlorophyll a_ -
Sampli ng
Date
03/22/74
05/31/74
08/23/74
11/08/74
Station
Number
1
2
3.
4
1
2
3
4
1
2
3
4
1
2
3
4
C. Limiting Nutrient Study:
1. Autoclaved, filtered, and nutrient spiked -
a. March sample
Spike (mg/1)
Control
0.050 P
0.050 P + 1.0 N
1.0 N
Ortho P
Cone, (mg/1)
0.040
0.090
0.090
0.040
b. November sample
Spike (mg/1)
Control
0.050 P
0.050 P + 1.0 N
1.0 N
Ortho P
Cone, (mg/1)
0.086
0.136 ,
0.136
0.086
Inorganic N
Cone, (mg/1)
0.143
0.143
1.143
1.143
Inorganic N
Cone, (mg/1)
0.043
0.043
1.043
1.043
Chlorophyll a
(yg/D
10.0
11.9
24.0
16.1
14.1
32.1
57.0
53.0
13.7
15.2
16.8
15.5
7.6
13.7
3.7
1.5
Maximum yield
(mg/1-dry wt.)
5.5
5.4
21.9
15.6
Maximum yield
(mg/1-dry wt.)
1.3
1.3
27.5
28.2
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12
2. Discussion -
The control yields of the assay alga, Selenastrum capri-
cornutum, indicate that the potential primary productivity
of Wright Patman Reservoir was moderately high at the times
the samples were collected (03/22/74 and 11/8/74). Also,
in both assays, the lack of increase in yield with the addi-
tion of phosphorus until nitrogen was also added, indicates
that the reservoir was limited by nitrogen at those times.
Note that the addition of nitrogen alone resulted in yields
much greater than those of the controls.
The reservoir data indicate nitrogen limitation as well;
i.e., the mean inorganic nitrogen to orthophosphorus ratios
were 9 to 1 or less at all sampling stations and times, and
nitrogen limitation would be expected.
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13
IV. NUTRIENT LOADINGS
(See Appendix E for data)
For the determination of nutrient loadings, the Texas National
Guard collected monthly near-surface grab samples from each of'the
tributary sites indicated on the map (page vii), except for the
months of April and May 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 provided by
the Texas District Office of the U.S. Geological Survey for the
tributary sites nearest the reservoir.
In this report, nutrient loads for sampled tributaries were
calculated using mean annual concentrations and mean annual flows.
Nutrient loads shown are those measured minus point-source loads,
if any. Nutrient loads for the aqueduct were calculated using the
mean concentrations measured in the Sulphur River outlet (station
A-l) and multiplying by the mean aqueduct flow.
Nutrient loads for unsampled "minor tributaries and immediate
drainage" ("ZZ" of U.S.G.S.) were estimated using the mean concen-
trations in Rock Creek at station C-l and the mean ZZ flow.
The operators of the Maud and Redwater wastewater treatment
plants provided monthly effluent samples and corresponding flow data.
The nine other listed wastewater treatment plants did not participate;
nutrient loads from these sources were estimated at 1.134 kg P and 3.401
kg N/capita/year, and flows were estimated at 0.3785 m3/capita/day.
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14
A. Waste Sources:
1. Known municipal* -
Name
Maud**
Red water**
New Boston
Clarksville
Bogata
Mount Vernon
Commerce
Sulphur Springs
old plant
SE plant
Cooper
Pop.
Served
1,100
450
2,800
3,600
800
1,200
8,800
8,000
2,300
3,400
Treatment
act. sludge
stab, pond
ox. ditch
tr. filter
stab, pond
stab, pond
stab, pond
tr. filter
stab, pond
act. sludge
Mean Flow
(m3/d)
241.9
49.2
1,059.8
1,362.6
302.8
i
454.2
3,330.8
3,028.0
870.6
1,286.9
Receiving
Water
Wright Patman
Reservoir
Wright Patman
Reservoir
Big Creek
Langford Creek
L. Mustang
Creek
Trib. of White
Oak Creek
Middle Sulphur
River
White Oak Creek
Rock Creek
Trib. of Sulphur
River
There are nine additional municipal facilities which discharge to
tributaries within the drainage basin beyond the 40-kilometer limit of the
Survey . These include De Kalb South, Red River Army Depot, Annona, Talco,
Blossom, Roxton (Lamar County WCID No. 1), Pecan Gap, Ladonia, and Wolfe
City (Wyatt, 1976).
2. Industrial - Unknown
* Anonymous, 1971.
** Treatment plant questionnaires.
See Working Paper No. 175.
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15
B. Annual Total Phosphorus Loading - Average Year:
1. Inputs -
kg P/ % of
Source y_r total
a. Tributaries (non-point load) -
Rock Creek 405 0.2
Elliot Creek 210 <0.1
Caney Creek 225 0.1
Big Creek , 245 0.1
Rice Creek 950 0.4
White Oak Creek 34,920 13.5
Sulphur River 114,660 44.4
Cuthand Creek 17,410 6.7
b. Minor tributaries & immediate
drainage (non-point load) - 51,495 19.9
c. Known municipal STP's -
Maud 565 0.2
Redwater 170 <0.1
New Boston 3,175 1.2
Clarksville 4,080 1.6
Bogata 905 0.4
Mount Vernon 1,360 0.5
Commerce 9,980 3.9
Sulphur Springs
old plant 9,070 3.5
SE plant 2,610 1.0
Cooper 3,855 1.5
d. Septic tanks - Unknown ?
e. Industrial - Unknown ?
••.
f. Direct precipitation* - 2,205 0.9
Total 258,495 100.0
* See Working Paper No. 175.
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16
2. Outputs -
Lake outlet - Aqueduct 4,990
Sulphur River 289.445
Total 294,435
3. Net annual P loss - 35,940 kg.
C. Annual Total Nitrogen Loading - Average Year:
1. Inputs -
kg N/ % of
Source y_r total
a. Tributaries (non-point load) -
Rock Creek 4,330 0.2
Elliot Creek 3,350 0.2
Caney Creek 3,035 0.1
Big Creek 1,020 <0.1
Rice Creek 9,145 0.4
White Oak Creek 388,310 16.8
Sulphur River 946,790 40.9
Cuthand Creek 167,770 7.2
b. Minor tributaries & immediate
drainage (non-point load) - 552,570 23.8
c. Known municipal STP's -
Maud 635 <0.1
Redwater 270 <0.1
New Boston 9,525 0.4
Clarksville 12,245 0.5
Bogata 2,720 0.1
Mount Vernon 4,080 0.2
Commerce 29,930 1.3
Sulphur Springs
old plant 27,210 1.2
SE plant 7,820 0.3
Cooper 11,560 0.5
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17
Source
d. Septic tanks - Unknown
e. Industrial - Unknown
f. Direct precipitation* -
Total
2. Outputs -
Lake outlet - Aqueduct
Sulphur River
kg N/
yr
136.170
2,318,485
38,110
2.209,670
2,247,780
Total
3. Net annual N accumulation - 70,705 kg.
Non-point Nutrient Export by Subdrainage Area:
Tributary kg P/km2/yr
Rock Creek
Elliot Creek
Caney Creek
Big Creek
Rice Creek
White Oak Creek
Sulphur River
Cuthand Creek
Mean Nutrient Concentrations in Ungaged Streams:
Tributary
E. Fork Elliot Creek
Anderson Creek
Horse Creek
Mean Total P
Cone, (mg/1)
0.172
0.160
0.109
% of
total
5.9
100.0
kg N/km2/yr
15
10
12
6
20
20
32
29
159
156
165
25
196
227
268
279
Mean Total N
Cone, (mg/1)
2.247
1.225
0.920
* See Working Paper No. 175.
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18
F. Yearly Loads:
In the following table, the existing phosphorus loadings
are compared to those proposed by Vollenweider (Vollenweider
and Dillon, 1974). Essentially, his "dangerous" loading is
one at which the receiving water would become eutrophic or
remain eutrophic; his "permissible" loading is that which
would result in the receiving water remaining oligotrophic
or becoming oligotrophic if morphometry permitted. A meso-
trophic loading would be considered one between "dangerous"
i
and "permissible".
Note that Vollenweider's model may not be applicable to
water bodies with short hydraulic retention times.
Total Phosphorus Total Nitrogen
__ Total Accumulated Total Accumulated
grams/m2/yr 2.05 loss* 18.4 0.6
Vollenweider phosphorus loadings
(g/m2/yr) based on mean depth and mean
hydraulic retention time of Wright Patman Reservoir:
"Dangerous" (eutrophic loading) 0.84
"Permissible" (oligotrophic loading) 0.42
* There was an apparent loss of phosphorus during the sampling year. This
would not be expected to occur even in a reservoir with a mean hydraulic
retention time of only 57 days. This may indicate unknown point sources
which discharge directly to the reservoir, underestimation of phosphorus
loads from the point sources discharging directly to the reservoir, resol-
ubilization of previously sedimented phosphorus, or tributary sampling sites
located too far upstream (see map, page vii).
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19
V. LITERATURE REVIEWED
Anonymous, 1971. Inventory of municipal waste facilities, EPA
Publ. OWP-1, vol. 6, Wash., DC.
Anonymous, 1975. Water resources data for Texas. Part 1: Surface
water records. U.S. Geol. Surv., Austin.
Laurent, Arthur, 1976. Personal communication (lake morphometry).
Army Corps of Engineers, New Orleans Dist., New Orleans.
Vollenweider, R. A., and P. J. Dillon, 1974. The application of
the phosphorus loading concept to eutrophication research.
Natl. Res. Council of Canada Publ. No. 13690, Canada Centre
for Inland Waters, Burlington, Ontario.
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20
VI. APPENDICES
APPENDIX A
LAKE RANKINGS
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LAKE
CODE CAKE NAME
4801 AMISTAD LAKE
4802 BASTtfOP LAKE
4803 8ELTON RESERVOIR
4804 BRAUNIG LAKE
4805 BROWNWOOD LAKE
4806 LAKE BUCHANAN
4807 CAODO LAKE
4808 CALAVERAS LAKE
4809 CANYON RESERVOIR
4810 LAKE COLORADO CITY
4811 CORPUS CRISTI LAKE
4812 DIVERSION LAKE
4813 EAGLE MOUNTAIN LAKE
4814 FT PHANTOM HILL LAKE
4815 GARZA LITTLE ELM RESERVO °
4816 KEMP LAKE
4817 HOUSTON LAKE
4818 LAKE OF THE PINES
4819 LAVON RESERVOIR
4820 LIVINGSTON LAKE
4821 LYNDON 8 JOHNSON LAKE
4822 MEDINA LAKE
4823 LAKE MEREDITH
4824 PALESTINE LAKE
4825 POSSUM KINGDOM RESERVOIR
4826 SAN ANGELO RESERVOIR
4827 SAM RAY8URN RESERVOIR
4828 E V SPENCE RESERVOIR
MEDIAN
TOTAL P
0.013
0.02?
0.016
0.134
0.027
0.036
0.055
0.038
0.010
0.042
0.113
0.025
0.024
0.060
0.045
0.023
0.097
0.031
0.063
0.196
0.042
0.010
0.021
0.031
0.023
0.093
0.029
0.036
MEDIAN
INO^G N
0.500
0.090
0.165
0.150
0.100
0.250
0.070
0.060
0.450
0.090
0.130
0.080
0.070
0.105
0.380
0.110
0.260
0.090
0.180
0.555
0.420
0.600
0.070
0.180
0.070
0.140
0.150
0.080
500-
MEAN SEC
371. 474
419.917
378.312
461.625
470.375
437.625
463.333
461.667
384.812
473.625
475.187
470.111
469.625
474.909
475.782
455.000
486.187
440.000
485.333
465.469
456.500
403.562
439.312
442.625
419.045
481.000
439.458
462.583
MEAN
CHLOWA
2.f>42
12.392
8.025
22.762
4.887
8.606
14.808
22.500
2.500
12.675
19.756
15.867
5.662
6.317
14.156
10.217
16.650
12.919
5.400
16.112
8.100
12.944
3.037
10.619
9.495
24.675
6.267
11.775
15-
MIN 00
14.900
15.000
15.000
14.800
14.400
15.000
11.400
13.000
14.800
10.200
14.000
9.000
11.000
9.800
14.600
10.400
12.400
15.000
8.800
15.000
14.900
15.000
14.VOO
14.800
15.000
10.200
15.000
15.000
MEDIAN
DISS OKTriO P
0.009
0.007
0.007
0.062
0.007
0.012
0.013
0.007
0.006
0.012
0.050
0.009
0.008
0.022
0.018
0.007
0.036
0.011
0.018
0.128
0.013
0.004
0.009
0.010
0.009
0.01 1
0.009
0.006
-------
LAKE DATA TO BE USED IN BANKINGS
LAKE
CODE LAKE NAME
4829 SOMESVILLE LA*E
4830 STAMFORD LAKE
4831 STILLHOUSE HOLLOW RESEKV
4832 TAWAKOM LAKE
4833 TEXARKANA LAKE
4834 TEXOMA LAKE
4835 T'RAVIS LAKE
4836 TRINIDAD
4837 TWIN 9UTTES RESERVOIR
4838 WHITE RIVER RESERVOIR
4839 WHITNEY LAKE
MEDIAN
TOTAL P
0.053-
0.073
O.Olb
0.046
O.lOb
0.042
0.018
0.389
0.029
0.020
0.028
MEDIAN
iNOrtO N
0.11S
O.U60
0.160
0.100
0.120
0.160
. 0.250
0.110
0.250
0.110
0.120
500-
MEAN SEC
473. H33
482.714
406.250
466.417
47b.500
451.321
389.913
479.500
454.917
434.500
430.500
M^ftN
CHLOftA
24. '.91
18.457
3.917
18.246
19.119
12.493
5.595
24.300
8.708
4.333
6.912
Ib-
MIN 00
13.000
10.600
15.000
13.200
12.400
15.000
15.000
10.000
14.800
15.000
15.000
MEDIAN
OISS C«TnO P
0.01 3
0.012
0.010
0.013
0.030
o.oia
0.007
0.240
0.009
0.009
0.008
-------
PERCENT OF L6*ES WITH HlGHtK VALUES (NUMBER OK LAKES sill HiGHi>' VALUES)
LAKE
CODE LAKE NAME
4801 AMISTAO LAKE
480? HASTROP LAKE
4803 BELTON RESERVOIR
4804 8RAUNIG LAKE
4805 BROrtNWOOD LAKE
4806 LAKE BUCHANAN
4807 CADDO LAKE
4808 CALAVERAS LAKE
4809 CANYON RESERVOIR
4810 LAKE COLORADO CITY
4811 CORPUS CRISTI LAKE
4812 DIVERSION LAKE
4813 EAGLE MOUNTAIN LAKE
4814 FT PHANTOM HILL LAKE
4815 GARZA LITTLE ELM RESERVO
4816 KEMP LAKE
4817 HOUSTON LAKE
4818 LAKE OF THE PINES
4819 LAVON RESERVOIR
4820 LIVINGSTON LAKE
4821 LYNDON B JOHNSON LAKE
4822 MEDINA LAKE
4823 LAKE MEREDITH
4824 PALESTINE LAKE
4825 POSSUM KINGDOM RESERVOIR
4826 SAN ANGELO RESERVOIR
4827 SAM RAY8URN RESERVOIR
E v SPENCE RESERVOIR
MEDIAN
TOTAL P
95 (
79 (
92 (
5 (
66 (
47 (
26 (
45 1
99 1
39 (
8 1
68 I
71 <
24 <
34 i
76
16
54
21
3
39
99
82
54
74
13
59
50
36)
30)
35)
2»
25)
18)
: io>
: 17)
[ 37)
[ 14)
1 3)
I 26)
I 27)
! 9)
( 13)
( 29)
( 6)
( 20)
( 8)
( D
( 14)
( 37)
( 3D
( 20)
( 28)
( 5)
( 22)
( 19)
MEDI AN
I NO* 3 N •
5 (
7(- (
26 <
42 (
70 (
21 <
91 <
100 <
8 1
76 1
47 <
83 1
91 1
66 i
13 i
61 '
16
76
29
3
11
0
91
32
91
45
39
83
2)
28)
10)
16)
26)
7)
33)
: 38)
; 3)
: 28)
; is)
; 3D
1 33)
t 25)
( 5)
( 22)
( 6)
( 28)
( ID
( 1)
( 4)
( 0)
( 33)
< 12)
( 33)
( 17)
( 15)
( 3D
500-
MEAN SEC
100 (
82 (
97 (
50 (
29 (
74 (
42 (
47 (
95 (
26 (
18 (
32 (
34 (
21 (
16 (
55 (
0 (
66 (
3 <
39 <
53 (
89 <
71 (
63 (
84 (
8 (
68 (
45 (
38)
3D
37)
19)
ID
28)
16)
18)
36)
10)
7)
12)
13)
3)
6)
21)
0)
25)
D
15)
20)
34)
27)
24)
3?)
3)
26)
17)
MEAN
CrILOKA
100
47
68
8
87
63
32
11
97
42
13
29
79
74
34
55
24
39
84
26
66
37
95
53
53
0
76
. 50
( 38)
( 18)
( 26)
( 3)
( 33)
( 24)
( 12)
( 4)
< 37)
( 16)
( 5)
( ID
< 30)
( 28)
( 13)
( 21)
( 9)
( 15)
( 32)
( 10)
( 25)
( 14)
( 36)
( 20)
( 22)
( 0)
( 29)
( 19)
MIN
39
17
17
49
58
17
76
67
49
38
61
97
79
95
55
84
72
17
100
17
39
17
39
49
17
88
17
17
00
( 14)
( 0)
( 0)
( 17)
( 22)
( 0)
( 29)
( 25)
< 17)
< 33)
( 23)
( 37)
( 30)
( 36)
( 21)
( 32)
( 27)
( 0)
< 38)
( 0)
( 14)
( 0)
( 14)
( 17)
( 0)
( 33)
( 0)
( 0)
MEDIAN
OISS 0*THO P
63
92
84
5
84
39
30
92
97
39
8
63
76
16
21
92
11
46
21
3
30
100
63
51
63
46
63
76
( 21)
(34)
( 3D
( 2)
( 3D
( 14)
( 10)
( 34)
( 37)
( 14)
( 3)
( 21)
( 28)
( 6)
( 7)
( 34)
( 4)
( 17)
( 7)
< 1>.
( 10)
( 38)
( 21)
< 19)
( 21)
( 17)
1 21)
( 28)
INOtX
NO
4<^
393
384
159
394
261
297
362
445
310
155
372
430
296
173
423
139
298
258
91
238
342
441
302
387
200
322
321
-------
PERCENT OF LAKES WITH HIGHER VALUES (NUMBER OF LIKES «ITH HIGHER VALUES*
LAKE
CODE LAKE NAME
4829 SOMERVILLE LAKE
4830 STAMFORD LAKE
<»831 STILLHOUSE HOLLOW R£SE*V
4832 TAWAKONI LAKE
4833 TEAARKANA LAKE
4834 TEXOMA LAKE
4835 TRAVIS LAKE
4836 TRINIDAD
4837 TWIN bUTTES RESERVOIR
4838 WHITE RIVER RESERVOIR
4839 WHITNEY LAKE
MEDIAN
TOTAL P
29 (
18 (
88 (
32 (
11 <
39 (
88 (
0 (
59 (
84 (
63 (
11>
7)
33)
12)
4)
14)
33)
0)
22)
32)
24)
MEDIAN
INO»*G N
55
V7
37
70
51
34
21
61
21
61
51
( 21)
< 37)
( 14)
( 26)
( 19)
( 13)
( 7)
( 22)
( 7)
< 22)
( 19)
500-
MEAN
24
5
ft7
37
13
61
92
11
58
76
79
SEC
( 9)
( 2)
( 33)
( 14)
( 5)
( 23)
( 35)
( 4)
( 22)
( 29)
( 30)
MEAN
CHLOPA
3
18
92
21
16
45
82
5
61
89
71
( 1)
( 7)
( 35)
( 8)
( 6)
( 17)
( 3D
( 2)
( 23)
( 34)
( 27)
15-
MIN oo
67
82
17
63
72
17
17
92
49
17
17
( 25)
( 31)
( 0)
( 24)
( 27)
( 0)
( 0)
( 35)
( 17)
( 0)
( 0)
MEDIAN
DISS O^THO H
30
39
51
30
13
21
84
0
63
63
76
( 10)
( 14)
( 19)
( 10)
( 5)
( 7)
( 31)
( 0)
( 21)
( 21)
( 28)
INOEX
NO
20o
259
372
253
176
217
384
169
311
390
357
-------
LA^Eb RANKED Bi INOE- NOS.
RANK LAKE CODE LAKE NAME INDEX NO
i 4809 CANYON RESERVOIR 445
^ 4823 LAKE MEREDITH 441
3 4813 EAGLE MOUNTAIN LAKE 430
4 4816 KEMP LAKE 423
5 4801 AMISTAO LAKE 402
6 4805 BROaNWOOD LAKE 394
7 480? 8ASTRUP LAKE 393
8 4838 WHITE RIVEH RESERVOIR 390
9 4825 POSSUM KINGDOM RESERVOIR 387
10 4835 TRAVIS LAKE 384
11 4803 BELTON RESERVOIR 384
12 4831 STILLHOUSE HOLLOW RESERV 372
13 4812 DIVERSION LAKE 372
14 480b CALAVERAS LAKE 362
15 4839 WHITNEY LAKE 357
16 4822 MEDINA LAKE 342
17 4827 SAM RAYBURN RESERVOIR 322
18 4828 E V SPENCE RESERVOIR 321
19 4837 TWIN 6UTTES RESERVOIR 311
20 4810 LAKE COLORADO CITY 310
21 4824 PALESTINE LAKE 302
22 4818 LAKE OF THE PINES 298
23 4807 CADOO LAKE 297
24 4814 FT PHANTOM HILL LAKE 296
25 4806 LAKE BUCHANAN 261
26 4830 STAMFORD LAKE 259
27 4819 LAVON RESERVOIR 258
28 4832 TAWAKONI LAKE 253
-------
LAKES RANKED BY INDEX NOS.
RANK LAKE CODE LAKE NAME INDEX NO
29 4821 LYNDON 8 JOHNSON LAKE 238
30 4834 TEXOMA LAKE 217
31 4829 SOMERVILLE LAKE 208
32 4826 SAN ANGELO RESERVOIR 200
33 4833 TEXARKANA LAKE 176
34 4815 GARZA LITTLE ELM RESERvO 173
35 4836 TRINIDAD 169
36 4804 BRAUNIG LAKE 159
37 4811 CORPUS CRISTI LAKE 155
38 4817 HOUSTON LAKE 139
39 4820 LIVINGSTON LAKE 91
-------
APPENDIX B
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 C
TRIBUTARY FLOW DATA
-------
TKia'JT Afir FLO* INFORMATION FOK
0j/
LA
JUN JUL AUG
SEP
OCT
NOV
LltC
MEAN
4833A1
4833C1
483301
*833El
4633F1
4S33G1
4833K1
4833L1
4833M1
4833ZZ
8917. 4
27.2
21.5
18.4
40. ^
46.6
171?. 0
3535.3
600.9
P916.3
90.05
0.275
0.213
0. 184
0.396
0.4el
16.54
40.49
6.94
34.83
98.83
0.311
0.236
0.204
0.453
0.510
20.87
44.17
7.62
38.23
94.01
0.283
0.227
0.193
0.425
0.481
19.85
42.19
7.28
36.25
93.45
0.283
0.227
0.193
0.425
0.461
19.74
42.48
7.19
36.25
128.56
0.396
0.311
0.263
0.595
0.651
27.13
57.77
9.94
49.55
93.45
0.196
O.IS'D
0.130
0.283
0 .3<*G
10.90
35.11
5.52
21.55
7<,.76
0.068
0.051
0.088
0.093
0.105
4.25
7.36
1.59
7.70
25.06
0.023
0.017
0.014
0.034
0.040
1.13
3.68
0.68
2.52
19.96
0.062
0.0^8
0.040
0.091
0.102
4.35
8.95
1.47
7.73
40. 7d
0.125
0. 102
0.065
0.178
0.198
6.65
18.24
3.14
13.65
52.67
0. 161
0.127
0.0*8
0.238
0.272
11.13
23.59
4.05
29.17
84.95
0.258
0.207
0.176
0.368
0.453
17.95
36.53
6.65
34.55
74.62
0.203
0.160
0.135
0.297
0.342
13.34
29.96
5.16
25.92
SUMMARY
8917.4
8918.7
TOTAL DRAINAGE AREA OF LAKE =
SUM OF SUB-DRAINAGE AREAS =
NOTE «*« ALSO TEXARKANA RESERVOIR.
MEAN MONTHLY FLOWS AND DAILY FLOWS(CMS)
TRIBUTARY MONTH YEAR MEAN FLOW DAY FLOW DAY
483341
TOTAL FLOW IN
TOTAL FLOW OUT
908.86
896.51
FLOW DAY
FLOW
A833C1
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
?
3
4
5
6
7
8
74
74
74
74
75
75
75
75
75
75
75
75
74
74
74
74
75
75
75
75
75
75
75
75
116.38?
117.232
276.939
283.451
144.982
241.826
283. 168
134.505
169.335
127.992
16.792
11.242
0.133
0.283
1.303
0.793
0.125
1.727
0.680
0.363
0.821
0.161
0.04S
0.040
7
6
10
9
11
8
8
5
3
7
12
9
7
6
10
9
11
8
8
5
3
7
12
9
46.156
170.467
288.832
286.000
282.885
288.832
283.168
286.000 19
0.283 17
104.489
14.951
14.781
0.025
0.040
0.425
2.294
0.110
1.671
0.144
0.091 19
4.870 17
0.076
0.028
0.042
169.901
291.663
0. 144
0.396
-------
TRIB'JTAHY FLO*
F0« TF
LAKE CODE 4333
9ES.
MEAN MONTHLY FLOWS AND OAILV FLOWS(CMS)
TRIBUTARY MONTH YEAH MEAN FLOW DAY
483301
4833E1
4833F1
4833GI
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
74
74
74
74
75
75
75
75
75
75
75
75
74
74
74
74
75
75
75
75
75
75
75
75
74
74
74
74
75
75
75
75
75
75
75
75
74
74
74
74
75
75
75
75
75
75
75
75
0.105
0.237
1.019
0.633
0.099
1.388
0.538
0.283
0.651
0.127
0.034
0.031
0.091
0.193
0.878
0.538
0.085
1.161
0.453
0.252
0.538
0.108
0.031
0.025
0.198
0.425
1.926
1.189
0.187
2.577
0.991
0.566
1.218
0.238
0.065
0.057
0.227
0.481
2.180
1.331
0.210
2.917
1.133
0.623
1.359
0.272
0.076
0.065
7
6
9
9
11
8
5
3
7
12
9
7
5
9
9
11
8
8
6
3
7
12
9
7
5
10
8
11
8
8
5
3
7
12
9
7
5
10
8
11
8
8
5
3
7
12
3
FLO* DAY
0.020
0.031
0.130
1.812
0.086
1.331
0.074
3.851
0.062
0.0
0.0
0.017
0.031
0.110
1.557
0.074
1.133
0.099
0.0
3.285
0.051
0.0
0.0
0.037
0.065
0.623
2.718
0.164
2.492
0.215
0.136
7.249
0.116
0.0
0.062
0.042
0.074
0.708
3.087
0.184
2.803
0.246
0.156
8.212
0.130
0.0
0.0
19
17
20
17
19
17
19
17
FLOW DAY
FLOW
0.116
0.311
0.0
0.269
0.215
0.595
24
0.246
0.246
0.6BO
0.280
-------
LAKE CODE 4833
TRIBUTARY FLO* INFORMATION FtV
WEIGHT PAfMAN HES.
MEAN MONTHLY FLOWS AND uAlLY FLOwS(CMS)
TRIBUTARY MONTH YEAR MEAN FLOW DAY
4833M
4833L1
4833M1
4H33ZZ
FLOW DAY
FLOW
FLOW
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
?
3
4
5
6
7
8
9
10
11
12
1
?
3
4
5
6
7
e
74
74
74
74
75
75
75
75
75
75
75
75
74
74
74
74
75
75
75
75
75
75
75
75
74
7
-------
APPENDIX D
PHYSICAL and CHEMICAL DATA
-------
STORET RETRIEVAL DATE 76/02/il
483301
33 1* 33 0 094 04 41.0
T£AA=-.<;ANA LAKE
48067
DATE
FROM
TO
74/03/22
74/05/31
74/08/33
74/11/08
DATE
FROM
TO
74/03/22
74/05/31
74/08/23
74/11/08
TIME
OF
DAY
09
09
09
13
13
13
11
11
08
08
08
40
40
40
40
40
40
25
25
45
45
45
TIME
OF
OAY
09
09
13
13
11
08
06
08
40
40
40
40
?5
45
45
45
DEPTH
FEET
0000
0002
0004
0000
0002
0007
0000
001S
0000
0005
0010
DEPTH
FEET
0000
0004
0000
0007
0000
0000
0005
0010
00010
WATEH
TEMP
CENT
15.6
15.6
15.6
27.4
27.4
27.4
28.5
28.2
16.3
16.6
16.8
00665
PHOS-TOT
MG/L P
0.049
3.058
0.084
0.082
0.167
0. 16*»
0.191
00300
DO
MG/L
9.
9.
6.
6.
2.
2.
7.
7.
6.
32217
0
0
8
8
8
6
4
0
6
CHLRPHYL
A
UG/L
10.
14.
13.
7.
0
1
7
6
00077
TRANSP
SECCHI
INCHES
28
30
35
14
00031
INCDT LT
REMNING
PERCENT
00094
CNDUCTVY
FIELD
MICROMHO
194
194
195
243
243
243
199
199
105
99
108
11EPALES 2111202
3 0007 FEET DEPTH
00400 00410 00610 00625 00630 00671
PH T ALK NH3-N TOT KJEL N02«»N03 PHOS-OIS
SU
7
7
8
8
7
, 7
6
6
6
CAC03 TOTAL
MG/L MG/L
.65 61 0.030
.50 60 0.040
.10 52 0.070
.00 50 0.060
.45
.40
.62 37 0.080
.75 37 0.070
.69 41 0.080
N N-TOTAL ORTHO
MG/L MG/L MG/L P
0.600 0.030 0.020
0.600 0.030 0.016
0.700 0.070 0.019
0.700 0.060 0.014
0.800 0.060 0.096
0.500 0.040 0.096
0.500 0.050 0.108
-------
STORtT RETRIEVAL OAf£ 76/02/1!
483303
33 IV 35.0 094
TtXArlKANA ^AKE
48037 TEXAS
11EPALES
3
DATE
FROM
TO
74/03/22
74/05/31
74/08/23
74/1 1/08
DATE
FROM
TO
74/03/22
74/05/31
74/08/23
74/11/08
TIME DEPTH
OF
CMY FEET
10 00 0000
10 00 0003
10 00 0008
13 30 0000
13 30 0005
13 30 0013
11 45 0000
11 45 0015
09 05 0000
09 05 0005
09 05 0015
TIME DEPTH
OF
DAY FEET
10 00 0000
10 00 0008
13 30 0000
13 30 0005
13 30 0013
11 45 0000
09 05 0000
09 05 0005
09 05 0015
C0010
WATER
TEMP
CENT
16.4
16.4
16.4
27.3
27.3
27.3
29.8
29.1
18.0
18.4
18.1
00665
PHOS-TOT
MG/L °
0.058
0.058
0.073
0.077
0.07H
0.087
0.090
0.101
00300
00
MG/L
8.7
8.8
fc.6
6.8
7.0
3.4
7.2
7.6
32217
CHLRPHYL
A
UG/L
11.9
32.1
15.2
13.7
00077
TRANSP
SECCHI
INCHES
26
36
36
23
00031
INCOT LT
HEMMING
PERCENT
00094
CNDUCTVY
F1ELO
MIC^OMHO
177
177
178
245
242
245
203
202
110
109
110
00400 00410
PH
SU
7.
7.
8.
8.
7.
8.
7.
7.
6.
6.
T ALK
CAC03
MG/L
40 47
40 47
00 49
00 48
90 48
30
30
06 36
99 35
96 34
10 34.0
2111202
0012 FEET DEPTH
00610
NH3-N
TOTAL
MG/L
0.040
0.040
0.070
0.07C
0.060
0.060
0.040
0.040
00625
TOT KJEL
N
MG/L
0.600
0.500
0.800
0.600
0.600
0.500
0.400
0.300
00630
N02kN03
N-TOTAL
MG/L
0.040
0.030
0.070
0.060
0.050
0.040
0.040
0.04C
00671
PHOb-OIS
ONTHO
MG/L P
0.022
0.020
0.013
0.013
0.015
0.024
0.057
0.049
-------
ST03tT
7u/02/ll
483303
33 1<« 33.0 C94 14 37.0
TEXAKKANA LAKE
48067
DATE
FROM
TO
74/03/22
74/05/31
74/08/23
74/11/08
DATE
FROM
TO
74/03/22
74/05/31
74/08/23
74/11/08
TIME DEPTH
OF
DAY FEET
10 25 0000
10 25 0005
10 25 0011
11 55 0000
11 55 0005
11 55 0015
10 55 0000
10 55 0016
09 30 0000
09 30 0005
TIME DEPTH
OF
DAY FEET
10 25 0000
10 25 0005
10 25 0011
11 55 0000
11 55 0005
11 55 0015
10 55 0000
09 30 0000
09 30 0005
00010
WATER
TEMP
CENT
13.6
13.6
13.5
27.1
27.1
27.0
29.9
29.5
16.5
16.7
00665
PHOS-TOT
MG/L P
0.106
0.113
0.110
0.114
0.117
0.127
0.218
0.105
003CO
DO
MG/L
9.0
9.4
7.2
7.2
5.2
3.8
6.2
5.0
32217
CHLRPHYL
A
UG/L
24.0
57.0
16.8
3.7
00077
TRANSP
SECCHI
INCHES
13
18
24
10
00031
INCDT LT
REMNING
PERCENT
00094
CNDUCTVY
FIELD
MICWOMMO
270
271
270
237
235
237
216
216
144
143
11EPALES
3
00400 00410
P" T ALK
SU
7
7
7
8
8
8
7
7
6
6
CAC03
MG/L
.80 72
.70 72
.70 75
.20 71
.15 70
.00 55
.80
.45
.48 58
.34 35
2111
0015
00610
NN3-N
TOTAL
MG/L
0.060
0.060
0.060
0.090
0.060
0.100
0.070
0.040
202
FEET DEPTH
00625 00630
TOT KJEL N02&N03
N
MG/L
0.800
1.000
0.900
0.800
0.800
0.800
0.500
0.400
N-TOTAL
MG/L
0.150
0.160
0.180
0.170
0. 160
0.170
0.040
0.050
00671
PHOS-DIS
ORTHO
MG/L P
0.030
0.032
0.030
0.061
0.02b
0.028
0.084
0.047
-------
REfSiEVAL DATE ?o/C2/li
463-)0«
33 15 51.0 094 20 57.0
LAKE
TEXAS
DATE
FftOM
TO
74/03/22
74/05/31
74/08/23
74/11/08
DATE
FROM
TO
74/03/22
74/05/31
74/08/23
74/11/08
TIME DEPTH
OF
OAY FEET
10 45 0000
11 40 0000
11 40 0003
10 40 0000
10 40 0005
09 50 0000
TIME DEPTH
OF
DAY FEET
10 45 0000
11 40 0000
11 40 0003
10 40 0000
09 50 0000
00010
WATER
TEMP
CENT
16.0
28.0
27.9
20.2
30.1
16. a
00665
PHOS-TOT
MG/L P
0.188
0.187
0.169
0.227
00300
DO
MG/L
7.2
5.4
4.2
4.0
6.2
32217
CHLRPHYL
A
UG/L
16.1
53.0
15.5
1.5
00077
TRANSP
SECCHI
INCHES
9
18
13
11
00031
INCDT LT
REMNING
PERCENT
1.0
OOC94
CNDUCTVY
RELO
MICHOMHO
199
328
335
261
263
125
llEr
3
00400
PH
su
7.20
7.65
7.60
7.4C
7.40
ALES
00410
T ALK
CAC03
MG/L
47
109
109
211
0003
00610
NH3-N
TOTAL
MG/L
0.120
0.050
0.040
1202
FEET DEPTH
00625
TOT KJEL
N
MG/L
1.000
1.000
0.900
00630
N02^N03
N-TOTAL
MG/L
0.180
0.060
0.130
00671
PnOS-OIS
ORTHO
MG/L P
0.047
0.037
0.029
47
0.050
0.600
0.020K
0.141
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
APPENDIX E
TRIBUTARY AND WASTEWATER
TREATMENT PLANT DATA
-------
','6/63/10
4&3341
33 17 b0.
094 03 £0.0 4
482J1 7.5 L TtXARKANA
0/L6At TEXAPtsAfjA
BANK SAMP 1.5 Nil SE Or JCT w US »T 59
11EPALES 2111204
0000 FEET DEPTH CLASS 00
DATE
FROM OF
TO DAY
TIME DEPTH
FEET
74/09/07
74/1U/06
74/11/10
74/12/09
75/01/11
75/03/08
75/03/08
75/04/05
75/0^/19
75/05/03
75/05/17
75/06/07
75/07/12
75/08/03
09 00
09 00
09 OC
09 00
11 10
13 00
12 30
17 00
14 40
07 30
08 00
13 00
09 00
08 00
00630
N02&N03
N-TOTAL
MG/L
0.012
0.016
0.032
0.0d8
0.144
0.155
0.165
0.200
0.175
0.120
0.135
0.005
0.015
0.360
00625
TOT KJEL
N
MG/L .
0.800
1.100
1.100
0.600
0.4QO
0.575
0.750
0.600
1.000
1.000
0.700
0.850
1.600
0.450
00610
NH3-N
TOTAL
Mr,/L
0.012
0.125
0.080
0.088
0.040
0.042
0.045
0.200
0.143
0.055
. 0.080
0.145
0.040
0.01C
00671
PHOS-OIS
ORTHO
MG/L P
0.025
0.060
0.065
0.100
0.064
0.057
0.065
0.035
0.022
0.050
0.055
0.005K
0.020
0.050
OC665
PHOS-TOT
MG/L P
0.040
0.260
0.130
0.120
0.120
0.120
0.120
0.100
0.120
0.150
0.171
0.020
0.120
0.130
K VALUE KNOWN TO b£
LESS THAN INDICATED
-------
STOKt-T RETRIEVAL DATE 7&/03/10
DATE TIME DEPTH N02(iN03
FROM OF"
TO DAY FEET
74/09/07
74/10/06
74/11/10
74/12/09
75/01/11
75/02/08
75/03/0.8
75/04/05
75/04/19
75/05/03
75/05/17
75/06/07
75/07/12
75/08/09
14
13
10
13
10
10
10
13
13
13
13
10
10
08
10
00
00
00
45
30
?0
45
20
10
00
00
00
30
4«33al
33 23 36.0 094 14 20.0 4
E KK ELLiur CREEK
48 7.i LEAPY
T/LAfVc TEXA3KANA
HWY 991 BRDG 5 Ml
11EPALES
•it OF JCT w US *T
2111204
67
0000 FEET DEPTH CLASS 00
0630
'
-------
STOKET RETRIEVAL DATE 7t>/OJ/iO
4633C1
33 21 45.'
ROC*.
094 21 2b.O 4
T/LAKtL TEX
rl*r A B«OG P. 8 MI NW OF JCT * US S!T 67
HEHftLtS £1111204
0000 FEET DEPTH CLASS 00
DATE .
FHOM
TO
74/09/07
74/1J/06
74/11/10
74/12/09
75/01/11
75/02/08
75/03/08
75/0^/05
75/04/19
75/05/03
75/05/17
75/06/07
75/07/12
75/y8/09
00630 00625
TIME DEPTH N02f.N03 TOT KJEL
OF N-TuTAL N
DAY FEET
1*
15
13
10
13
08
09
10
09
08
08
09
14
09
50
00
00
00
00
30
50
00
30
30
45
00
20
?0
MG/L
0.
0.
U.
0.
0.
0.
0.
l».
0.
0.
0.
0.
0.
c.
06t
048
032
104
008
005
005
075
110
020
020
005
010
360
MG/L
0
0
0
0
0
0
0
0
0
0
0
1
1
0
.800
.400
.800
.600
.300
.350
.300
.150
.400
.600
.450
.000
.950
.500
00610 00671 00665
NH3-N Prios-ois PHOS-TOT
TOTAL ORTHO
MG/L
0
0
0
0
0
0
0
0
0
0
0
0
0
0
.C75
.030
.035
.160
.048
.025
.020
.095
.055
.060
.055
.090
.025
.010
MG/L
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
F
030
015
015
04R
015
U15
015
010
012
015
030
005K
020
050
Mo/L P
0.085
0.050
0.030
0.090
0.040
0.030
0.040
0.040
0.070
0.030
0.040
0.020
0.200
0.1 20
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORET RETRIEVAL OAfE 7t>/03/iO
GATE TIME DEPTn N02&N03
FROM OF
TO DAY FEET
74/09/07
74/10/06
74/11/09
74/12/09
75/01/11
75/02/08
75/04/05
75/04/19
75/05/03
75/05/17
75/06/07
13 50
08 00
13 20
14 20
09 30
09 45
12 30
12 45
12 30
12 15
15 10
463301
33 22 49." 094 15 47.0 4
ELLIuT CkccX r^Eb
4d 7.5 HOCKo
DAM SPILLWAY 1.5 N OF
lltPAL&S 2111204
0000 FEET DEPTH CLASS 00
0630
&N03
OTAL
llj/L
0.032
0.136
0.056
O.OOd
0.048
0. 100
0.025
0.015
0.010
0.015
C.005
00625
TOT KJEL
N
MG/L
0.700
0.450
1.100
0.500
0.300
0.600
0.250
0.5CO
0.600
0.600
1.050
00610
NH3-N
TOTAL
MG/L
O.?00
0.090
0.085
C.016
C.008K
0.035
C.065
0.065
0.063
0.060
0.110
00671
PnOS-OIS
ORTHO
MG/L P
0.005
0.010
0.015
0.025
0.020
0.015
0.005
0.010
0.007
0.010
0.005K
00665
PHOS-TOT
MG/L P
0.025
0.025
0.030
0.085
0.070
0.050
0.040
0.040
0.030
0.040
0.030
K VALUE KNO*N TO BE
LESS THAN INDICATED
-------
STORET HEfRIEVAL OATE 7o/C3/10
DATE TIME DEPTH N02^N03
FROM OF
TO DAY FEET
74/09/07
74/10/05
74/11/09
74/12/09
75/01/11
75/02/08
75/03/08
75/05/03
75/05/17
75/06/07
13
09
13
14
09
09
11
13
12
14
30
15
SO
00
30
00
00
00
45
00
4833E1
33 24 07.0 094 19 10.0 4
CANtf C3£e.K RES
<*y 7.5 HOOKS
T/LAKE TEXARKANA
2NOKV ^0 BKDG 0.1 Mi S CANEY DAM SPILLKY
11EPALES 2111204
0000 FEET DEPTH CLASS 00
0630
'5.N03
OTAL
K3/L
0.072
0.080
0.056
0.056
0.136
0.100
0.100
0.020
0.015
0.100
00625
TOT KJEL
N
MG/L
0.800
0.600
1.200
0.500
0.500
0.700
0.550
0.750
0.500
0.300
00610
NH3-N
TOTAL
MG/L
0.050
0.035
0.125
0.144
0.024
0.025
0.025
0.040
0.060
0.075
00671
PMOS-OIS
OHTnO
MG/L P
0.010
0.015
. 0.015
0.005
0.015
0.015
0.015
0.015
0.023
00665
PhOS-TOT
MG/L P
0.080
0.066
0.070
0.04C
0.030
0.050
0.080
0.050
0.040
0.025
-------
STOKET KE.TRIEVAL DATE 76/03/10
DATE TIME DEPTH N02&N03
FHOM OF
TO DAY FEET
74/09/07
74/10/05
74/11/10
74/12/08
75/01/11
75/02/08
75/03/06
75/04/05
75/04/19
75/05/03
75/05/17
75/05/24
75/06/07
75/08/09
14 40
14 30
14 45
09 30
12 15
08 15
09 35
09 30
09 10
08 00
09 15
16 20
08 20
10 00
4833F1
33 2J 05.f 094 22 52.0 4
BIG CHEEK
48 7.5 NEW BOSTON
T/LAKE TEX4RKANA
2NQRY RO QKDG 1.4 MI W JCT M MWY
11EPALES 2111204
oooo FEET DEPTH CLASS oo
>0630
I&N03
GTAL
IG/L
0.880
0.680
0.560
0.016
0.008
0.005
0.010
0.440
0.500
0.095
0.120
0.480
0.005
0.360
00625
TOT KJEL
N
MG/L
1.100
o.eoo
0.900
0.4QO
0.700
1.100
1.650
0.200
0.550
1.500
0.750
0.600
0.950
0.400
00610
NH3-N
TOTAL
MG/L
0.090
0.040
0.075
O.OS8
0.048
0.015
0.020
0.032
0.070
0.095
0.095
0.030
0.300
0.010
00671
PHOS-OIS
ORTHO
MG/L P
0.900
0.380
0.460
0.015
0.170
0.480
0.480
0.210
C.220
0.190
0.185
0.010
0.005K
0.050
00665
PHOS-TOT
MG/L P
0.930
0.500
0.460
0.040
0.250
0.690
0.660
0.340
0.460
0.330
0.240
0.070
0.020
0.120
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORET KETRIEVAL OATtl ?6,
-------
STORET RETRIEVAL UAT£ 7e/03/iO
OATE TIME DEPTr
FRUM OF
TO DAY FEET
74/09/07
74/10/05
74/11/10
74/12/,09
75/01/H
75/02/08
75/03/08
75/04/o'5
75/04/19
75/05/04
75/05/17
75/06/07
75/07/12
75/08/09
16 30
13 00
14 20
09 20
09 00
07 30
09 00
08 10
08 00
09 00
10 00
07 30
15 35
14 30
4-J33.-I1
33 23 03.0 094 29 55.0 4
ANJt^SON CtfEEK
4d 7.5 N£* aOSTGN
T/LA*E TEXARKANA
H«f 95 8*00 -4.2 MI Sw OF JCT W H*y
11EPALLS 2111204
0000 FEET DEPTH CLASS 00
1840
)0630
2J.N03
COTAL
•1G/L
.0.240
0.200
0. 13b
0.040
0.368
0.690
0.700
0.540
0.210
0.145
0.140
0.005
0.015
0.375
00625
TOT KJEL
N
MG/L
1.050
0.900
1.000
1.700
1.100
0.800
0.500
0.600
0.950
0.900
0.5?5
1.850
0.450
OOblO
NH3-N
TOTAL
MG/L
0.030
0.025
0.050
0.232
0.184
0.040
0.035
0.145
0.095
0.100
0.055
0.100
0.065
0.010
00671
PHOS-OIS
ORTHO
MG/L P
0.230
0.135
0.095
0.095
0.175
0.055
0.060
0.015
0.025
0.130
0.130
0.005K
0.020
0.050
00665
PHOS-TOT
MG/L P
0.210
0.190
0.150
0.210
0.400
0.110
0.090
0.090
0.110
0.220
0.190
0.020
0.130
0.120
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORE! RETRIEVAL. OATt 76/03/iO
4833J1
33 l
-------
STOSET RETRIEVAL UATt 7o/0->/iC
DATE TIME DEPTH N02oN03
FROM OF
TO DAY FEET
74/0J/11
74/10/06
74/11/09
74/12/09
75/01/12
75/02/09
75/03/07
75/04/06
75/04/20
75/05/04
75/05/18
75/06/03
75/07/13
75/08/09
14 00
14 00
09 10
16 00
10 00
09 30
10 00
11 00
10 30
11 30
11 30
11 00
10 20
14 00
33 lo 01. r 094 <»9 21.0 4
i»H[TE OAK C^EcK
46 7.5 COOPtKS CriAP
T/LAKE TEXARKANA
BROG ON PRIVfiTE RO 2.0 Ml
S JCT w hwY 71
11EPALES
000& FEET
DEPTH
2111204
CLASS 00
0630
C.N03
OTAL
IG/L
C.I 56
0.136
0.016
0.088
0.088
0.015
0.270
0.230
0.330
U.125
0.125
0.0 Ib
0.075
0.460
00625
TOT KJEL
N
MG/L
1.100
0.900
1.400
0.900
1.000
0.900
1.100
o.eoo
0.950
0.700
0.900
0.500
0.400
0.550
00610
NH3-N
TOTAL
MG/L
0.080
0.050
0.045
0.040
0.046
0.145
C.050
0.165
0.085
0.085
0.080
0.050
0.005
0.010
00671
PHOS-OIS
ORTHO
MG/L P
0.080
0.075
0.095
0.050
C.04H
C.01C
0.065
0.035
0.045
0.065
0.060
0.005
0.007
0.055
00665
PhOS-TOT
MG/L P
0.145
0.140
0.130
0.14J
0.130
0.040
0.160
0.120
0.130
0.140
0.140
0.020
0.020
0.140
-------
STOriE.1
DATE 76/U3/10
33 22 35.0 095 06 50.0 4
DATE TIME DEPTH N025.N03
FROM OF
TO DAY FEET
7^/09/11
74/10/06
74/11/09
74/12/09
75/01/12
75/02/09
75/03/07
75/04/06
75/04/20
75/05/04
75/05/18
75/06/08
75/07/13
75/08/08
11
09
09
15
09
10
10
09
09
12
12
09
13
13
30
30
50
45
00
?0
30
00
10
15
00
30
30
00
48387 RtCi KIVEK CO MAP
T/LA*E TEXAtfKANA
US HWY 271 -^OG 3 MI SE OF
11EPALE5 2111204
0000 FEET DEPTH CLASS 00
0630
5.N03
UTAL
1G/L
0.044
0.072
0.024
0.128
0.128
0.250
0.015
0.400
0.210
0.300
0.345
0.015
1.500
0.410
00625
TOT KJEL
M
MG/L
0.700
0.700
1.3CO
1.300
1.200
0.800
0.800
0.450
1.050
0.500
0.700
0.500
0.350
0.450
00610
NH3-N
TOTAL
MG/L
0.030
0.040
0. 170
0.072
0.032
0.050
0.040
0.050
0.095
0.012
0.015
O.C40
0.005K
0.010
00671
PriOS-DIS
ORTHO
MG/L P
0.120
0.105
0.210
C.050
. 0.04B
0.065
0.015
0.040
0.040
0.045
0.040
0.005
0.010
0.050
00665
PriOS-TOT
MG/L P
0.187
0.200
0.260
0.180
0.190
0.150
0.040
0.11G
0.140
0.130
0.130
0.030
0.025
0.130
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
bTurcET .-
-------
STORET RETRIEVAL OATE /6/03/10
DATE TIME DEPTH N02^N03
FROM OF
TO DAY FEET
74/08/12
CP(T>-
74/08/12
74/0^/16
CP-
74/1-9/16
74/10/23
CP(T>-
74/10/23
74/11/15
CP(T)-
74/11/15
74/12/19
CP(T)-
74/12/19
75/01/27
75/02/24
75/03/20
75/04/17
75/05/27
75/06/27
75/07/15
75/08/04
11 00
15 00
10 00
16 00
10 15
15 00
11 00
16 00
10 00
15 30
14 10
12 30
14 20
10 00
10 00
10 30
10 00
09 40
4333FA Ab4b33FA
33 20 00.0 094 20 uO.O 4
MA.Jl)
48 7.5 MAUU
T/LAKE TEXArtKANA
6Iu C-(E£K 10 SULPHEH *IVER
11EPALES 2141204
0000 FEET DEPTH CLASS 00
P001100
0630 006?5
'^N03 TOT KJEL
OTAL N
1G/L *G/L
0.6*0
<*.100
S.520
5.400
5.520
4.640
3.360
3.840
3.400
3.300
4.700
4.900
3.400
5.120
2.100
2.400
1.900
3.900
5.600
5.500
0.500K
1.250
2.700
3.300
2.300
00610 00671 00665 50051 50053
NH3-N PMOS-DIS PHOS-TOT FLOW CONDUIT
TOTAL OrtTriO RATE FLOW-MGD
MG/L MG/L P MG/L P INST MOD MONTHLY
0.350
1.150
O.OV4
0.920
O.OSOK
2.300
2.84C
1.450
O.OSOK
0.190
0.320
0.120
O.OSOK
14.500
5.750
12.500
3.100
3.500
2.720
2.300
3.300
5.020
7.003
5.750
11.000
15.000
6.300
3.200
3.650
5.000
3.HOO
3.400
5.200
7.900
10.400
11.500
0.045
0.065
0.045
0.060
0.060
0.045
0.07S
0.095
O.OBO
0.065
0.060
0.060
0.055
0.045
0.055
0.048
0.060
0.075
0.055
0.07S
0.075
0.085
0.068
0.060
0.065
0.060
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STOKET RETRIEVAL DA ft 7-'V03/10
DATE TIM? DEPTH rj02&N03
FROM Of
TO DAY FEET
74/10/14 17 00
74/11/21 14 30
74/12/36 10 30
75/01/27 14 30
75/03/09 16 15
75/06/20 14 30
75/07/29 18 30
75/09/10
4633XA PJ4&33AA
33 22 00.0 094 15 00. U 4
48J87
7.5 MAUD
LAKE WEIGHT PATNAN TO SULPEU* HIVE*
11EPALES 2141204
0000 FEET DEPTH CLASS 00
0630
6N03
OTAL
'G/L
0.120
0.880
0.400
0.800
0.320
0.300
0.200
0.150
00625
TOT KJEL
N
MG/L
15.000
10.750
8.6CO
23.000
11.000
14.800
15.500
ie.500
00610
NH3-S
TOTAL
MG/L
0.830
0.210
0.530
0.920
0.410
1.350
0.800
0.530
00671
PHOS-DIS
OPTHO
MG/L P
9.000
5.200
3.750
5.400
3.900
8.600
11.000
14.500
00665
PH05-TOT
MG/L P
15.000
b.900
5.100
6.100
5.500
9. 150
11.000
16.000
50051
FLOW
RATE
1NST MGO
0.013
0.013
0.013
0.013
0.013
0.013
0.013
0.013
50053
CONDUIT
FLOw-MGD
MONTHLY
0.013
0.013
0.013
0.013
0.013
0.013
0.013
0.013
------- |