U.S. ENVIRONMENTAL PROTECTION AGENCY
NATIONAL EUTROPHICATION SURVEY
WORKING PAPER SERIES
REPORT
•
ON
LAKE TRAVIS
BURNET AND TRAVIS COUNTIES
TEXAS
EPA REGION VI
WORKING PAPER No, 664
CORVALLIS ENVIRONMENTAL RESEARCH LABORATORY - CORVALLIS, OREGON
and
ENVIRONMENTAL MONITORING & SUPPORT LABORATORY - LAS VEGAS, NEVADA
699-440
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REPORT
ON
LAKE TRAVIS
BURNET AND TRAVIS COUNTIES
TE)(AS
EPA REGION VI
WORKING PAPER No, 664
WITH THE COOPERATION OF THE
TEXAS WATER QUALITY BOARD
AND THE
TEXAS NATIONAL GUARD
APRIL, 1977
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CONTENTS
Page
Foreward ii
List of Texas Study Reservoirs iv
Lake and Drainage Area Map vi
Sections
I. Conclusions 1
II. Lake and Drainage Basin Characteristics 4
III. Lake Water Quality Summary 5
IV. Nutrient Loadings 12
V. Literature Reviewed 17
VI. Appendices 18
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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)], water
quality criteria/standards review [5303(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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m
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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TV
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
Bell, Coryell
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
Bay!or
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
Somervilie
E. V. Spence
Stamford
Still house Hollow
Tawakoni
Texoma
Travis
Trinidad
Twin Buttes
White River
Wh i tney
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
Cooke, Grayson TX; Bryan,
Johnston, Love, Marshall, OK
Burnet, Travis
Henderson
Tom Green
Crosby
Bosque, Hill
Bowie, Cass
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LAKE TRAVIS
Tributary 5a~.pl ing Site '
X Lake Sair.piing site
Sewage Treatment Facility
« 20 Kr.
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LAKE TRAVIS
STORET NO. 4835
I. CONCLUSIONS
A. Trophic Condition:
Survey data indicate that Lake Travis is mesotrophic;
i.e, moderatley supplied with nutrients and moderately pro-
ductive. Whether nutrient enrichment is beneficial or
deleterious depends on the actual or potential effect on
the uses of the lake. In this regard, no nuisance condi-
tions 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.
Lake Travis ranked tenth in overall trophic quality when
the 39 Texas reservoirs sampled in 1974 were compared using a
combination of six water quality parameters*. However, the
lower ranking of this lake is due to a relatively high median
inorganic nitrogen concentration (but the lake is phosphorus
limited) and depletion of hypolimnetic dissolved oxygen.
Four of the reservoirs had less and one had the same median
total phosphorus, two had less and five had the same median
dissolved orthophosphorus, seven had less mean chlorophyll a_,
29 had less and two had the same median inorganic nitrogen,
and three had greater mean Secchi disc transparency. Marked
depression or depletion of hypolimnetic dissolved oxygen
See Appendix A.
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occurred at all sampling stations in August; at stations 1,
3, 4, and 6 in May; and at station 1 in November.
Survey limnologists noted small patches of submerged
macrophytes in the shallows near station 1 in May, station 2
in March, and station 3 in August.
B. Rate-Limiting Nutrient:
The algal assay results indicate that Lake Travis was
limited by phosphorus at the times the samples were collected
(03/14-15/74 and 11/06/74). The lake data indicate phosphorus
limitation at all sampling stations and times except station 5
in November.
C. Nutrient Controllability:
1. Point sources—During the sampling year, point sources
contributed 4.7% of the total phosphorus input to Lake Travis.
The municipal wastewater treatment facility at Marble Falls
contributed 2.9%; and the facility at Johnson City contributed
1.8% of the total.
The present phosphorus loading is less than that proposed
by Vollenweider (Vollenweider and Dillon, 1974) as a eutrophic
loading (see page 16). However, because the lake is phosphorus
limited, point-source phosphorus control would be a preventative
measure to maintain the present quality of the lake.
2. Non-point sources—The Colorado River contributed the
largest phosphorus load of the sampled tributaries (80.1%).
However, much of this load can be attributed to point sources
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upriver. Considering only the phosphorus contributions
of point sources impacting upstream Lake Lyndon B. Johnson*
and the phosphorus retention in that lake during the sam-
pling year (3%), it is calculated that 16,405 kg of the
upstream point-source phosphorus load also impacted Lake Travis
(i.e., 97% of the 16,910 kg point-source load impacting Lake
Lyndon B. Johnson).
The other gaged tributaries to Lake Travis contributed 9.6%
of the phosphorus load. Ungaged tributaries and immediate
drainage were estimated to have contributed 2.9% of the total.
* Working Paper No. 645
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II. LAKE AND DRAINAGE BASIN CHARACTERISTICS1"
A. Morphometry :
1. Surface area: 76.61 kilometers2.
2. Mean depth: 18.9 meters.
3. Maximum depth: 58.5 meters.
4. Volume: 1,447.929 x 106 m3.
5. Mean hydraulic retention time: 1 year (based on outflow).
B. Tributary and Outlet:
(See Appendix C for flow data)
1. Tributaries -
Drainage Mean flow
Name area (km2)* (m3/sec)*
Colorado River 94,081.7 36.14
Cow Creek 110.6 0.34
Pedernales River 3,071.7 7.46
Minor tributaries &
immediate drainage - 1,416.0 4.49
Totals 98,680.0 48.43
2. Outlet -
Colorado River 98,756.6** 45.02
C. Precipitation***:
1. Year of sampling: 92.0 centimeters.
2. Mean annual: 82.5 centimeters.
t Table of metric conversions—Appendix B.
tt Butler, 1974.
* For limits of accuracy, see Working Paper No. 175, "...Survey Methods,
1973-1976".
** Includes area of lake.
*** See Working Paper No. 175.
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III. WATER QUALITY SUMMARY
Travis Lake was sampled four times in 1974 by means of a pontoon-
equipped Huey helicopter. Each time, samples for physical and chemical
parameters were collected from two or more depths at five stations in
March and six stations in May, August, and November (see map, page vi).
During each visit, a single depth-integrated (4.6 m to surface) sample
was composited from the stations for phytoplankton identification and
enumeration; and during the first and last visits, two 18.9-liter depth-
integrated samples were composited for algal assays. Also each time, a
depth-integrated sample was collected from each of the stations for
chlorophyll ^analysis. The maximum depths sampled were 53.6 meters at
station 1, 35.1 meters at station 2, 39.9 meters at station 3, 26.5
meters at station 4, 9.8 meters at station 5, and 18.6 meters at station
6.
The sampling results are presented in full in Appendix D and are
summarized in the following table (the August nutrient samples were not
properly preserved and were not analyzed).
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PARAMETER
TEMP (C)
OI5S OXY (MG/L)
CNOCTVY (MCROMO)
PH (STAND UNITS)
TOT ALK (MG/L)
TOT P (MG/L)
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/L1
SECCHI (METERS)
A. SUMMARY OF PHYSICAL AND CrtEMICAL CHARACTERISTICS FOK TRAVIS LAKE
STUKET COuE
1ST SAMPLING ( 3/15/74)
5 SITES
RANGE
12.1 - 19.7
5.4 - 10.0
381. - 460.
7.7 - 8.6
147. - 168.
0.007 - 0.032
0.003 - 0.014
0.120 - 0.420
0.020 - 0.110
0.200 - O.feOO
0.140 - 0.530
0.380 - 1.020
1.8 - 6.6
1.8 - 5.5
2ND SAMPLING ( 5/22/74)
to SITES
3RD SAMPLING ( 8/20/74)
6 SITES
MEAN
15.6
8.1
429.
8.?
156.
0.013
0.006
0.210
0.033
0.350
0.243
0.560
3.7
4.0
MEDIAN
15.6
8.6
435.
8.2
158.
0.011
0.005
O.laS
0.030
0.300
0.215
O.StO
3.3
4.6
RANGt
13.3
1.0
421.
7.6
134.
0.006
0.002
0.040
0,020
0.200
0.060
0.240
6.6
1.5
- 28.2
9.0
346.
8.8
- 199.
- 0.065
- 0.012
- 0.400
- 0.070
- 0.500
- 0.^50
- 0.780
- 12.4
5.5
MEAN
22.2
5.2
483.
8.2
151.
0.019
0.004
0.213
0.037
0.2b<+
0.251
O.W7
9.1
3.0
MEDIAN
24.9
5.3
485.
8.3
148.
0.015
0.003
0.195
0.030
0.200
0.240
0.465
*.l
2.6
RANGE MEAN MEDIAN
14.0 - 30.6 25.6
0.0 - 8.2 3.8
419. - 598. 505.
7.7 - 8.7 8.1
000000 -00 000000 000 00 00000
oooooo -ouoooooooooooooooo
oooooo .ttoeooooottoooeooooo
OOOOOO -OOOQOOOOOOOOOOOOO 4
oooooo -000000000000000004
ooooo* -oooooooooo-ooooooo*
OiHHHH* ..eaeoeeeaeooaeee tt««
tfOOOOO .OOOOOOOOOOOOOOOOOC-
1.4 - 23.9 7.0
1.0 - 5.2 3.2
28.2
2.8
513.
8.1
«0»0
oooo
aaoo
»0««
»ooo
a ooo
»4OO
«0««
3.7
3.0
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A. SUMMaWY OF PHYSICAL AND CHEMICAL CMA-ACTt^ 1STICS FOK TRAVIS
STOKET COJE -635
4TH SAMPLING
CNOCTVY (MCHQMO)
PH (STAND UNITS)
TOT ALK (MG/L)
TOT P (MG/L)
OhfTHO P (MG/L)
N02«N03 (MG/L)
AMMONIA (MG/L)
KJEL N (MG/L)
INORG N (MG/L)
TOTAL N (MG/L)
CHLUPYL A (UG/D
SECCHI (METEPS)
b SITES
^ANGE MEAN
17.0
0.4
ais.
7.3
10B.
0.017
0.008
0.070
0.020
0.200
0.230
0.^00
1.0
0.3
- ?2.1
7.6
- ^82.
7.9
- 175.
- 0.077
- 0.036
- 0.300
- 0.360
- 1.300
- 0.430
- 1.420
1.9
2.1
21. J
6.<*
409.
7. H
142.
0.035
0.016
0.23b
0.0*3
0.607
0.280
0.84<»
1.6
1.?
MEDIAN
21. &
6.b
417.
7.<*
14J.
0.026
0.016
0.230
0.020
0.650
0.2b5
0.875
1.7
1.2
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8
B. Biological characteristics:
1. Phytoplankton -
Sampling
Date
03/14-15/74
OS/22/74
08/20/74
11/06/74
Dominant
Genera
1.
2.
3.
4.
5.
Number
per ml
1. Cryptomonas s£. 487
2. Chroomonas sp. 244
3. Chlamydomonas sj). 41
4. Oocystis sp. 41
5. Scenedesmus sp. 41
Other genera 39
Total 893
Coelastrum sp. 518
Fragilaria sp. 518
Chroomonas sp. 330
Cryptomonas sp. 188
Tetraedron sp. 141
Other genera 236
Total 1,931
1. Synedra sp. 654
2. Cyanophytan filaments 256
3. Melosira sp. 171
4. Tetraedron sp. 57
5. Chlorophytan coccoid
cells 57
Other genera 75
Total 1,279
1. Cyclotella sp. 103
2. Chlamydomonas sp. 69
3. Cryptomonas sp. 69
4. Scenedesmus sp. 68
5. Oocystis sp. 34
Other genera _7J)
Total
413
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2. Chlorophyll a^ -
C.
Sampli ng
Date
03/14-15/74
05/22/74
08/20/74
Station
Number
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
Limiting Nutrient Study:
1. Autoclaved, filtered, and nutrient spiked -
a. March sample -
(1). Stations 1 and 2.
Chlorophyll
11/06/74
3.3
3.2
1.8
3.6
6.6
8.6
6.8
6.6
9.7
12.4
10.4
2.0
1.4
2.5
4.9
23.9
7.5
1.9
1.5
1.7
1.8
1.0
Spike (mg/1)
Control
0.050 P
0.050 P + 1.0 N
1.0 N
Ortho P
Cone, (mg/1)
<0.005
<0.055
<0.055
<0.005
Inorganic N
Cone, (mg/1)
0.260
0.260
1.260
1.260
Maximum yield
(mg/1-dry wt.)
0.1
4.9
9.9
0.1
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10
(2). Stations 3 and 4.
2.
Spike (mg/1)
Ortho P
Cone, (mg/1)
Inorganic N
Cone, (mg/1)
Maximum yield
(mg/1-dry wt.)
Control <0.005
0.050 P <0.055
0.050 P + 1.0 N <0.055
1.0 N <0.005
b. November sample -
(1). Stations 1, 2, and
Ortho P
Spike (mg/1) Cone, (mg/1)
Control 0.007
0.050 P 0.057
0.050 P + 1.0 N 0.057
1.0 N 0.007
(2). Stations 4, 5, and
Ortho P
Spike (mg/1) Cone, (mg/1)
Control 0.011
0.050 P 0.061
0.050 P + 1.0 N 0.061
1.0 N 0.011
Discussion -
The control yields of the
0.383
0.383
1.383
1.383
3.
Inorganic N
Cone, (mg/1
0.212
0.212
1.212
1.212
6.
Inorganic N
Cone, (mg/1
0.236
0.236
1.236
1.236
assay alga, Sel
0.1
5.3
9.0
0.1
Maximum yield
) (mg/1 -dry wt. )
0.2
4.8
17.4
0.3
Maximum yield
) (mg/1 -dry wt. )
0.9
5.6
17.8
0.8
enastrum capri-
cornutum, indicate that the potential primary productivity
of Lake Travis was low to moderate at the times the samples
were collected (03/14-15/74 and 11/06/74). Also, an increase
in yields with the addition of orthophosphorus alone indi-
cates that the lake was phosphorus limited at those times.
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11
Note that the addition of nitrogen alone resulted in
yields which were not significantly different from those
of the controls.
The lake data indicate phosphorus limitation as well.
At all sampling stations and times, the mean inorganic
nitrogen/orthophosphorus ratios were 15/1 or greater, except
for station 5 in November where the ratio was 13/1 (possible
nitrogen limitation).
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12
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 vi), 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 lake.
In this report, nutrient loads for sampled tributaries were
determined by using a modification of a U.S. Geological Survey computer
program for calculating stream loadings*. Nutrient loads shown are
those measured minus point-source loads, if any.
Nutrient loads for unsampled "minor tributaries and immediate
drainage" ("ZZ" of U.S.G.S.) were estimated using the nutrient loads
at station C-l, in kg/km 2/year, and multiplying by the ZZ area in km2.
The operator of the Burnet wastewater treatment plant provided
monthly effluent samples and corresponding flow data; however, the plant
does not discharge wastewater to Travis Lake (Wyatt, 1976) and is not
included in the loadings. The operators of the treatment plants at
Johnson City and Marble Falls 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.
See Working Paper No. 175.
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13
A. Waste Sources:
1. Known domestic -
Pop. Mean Flow Receiving
Name Served Treatment (m3/d) Water
Burnet* , 3,000 cont. stab - no discharge**
Johnson CityT 800 stab, pond 302.8 Pedernales River
Marble Falls 1,250 tr. filter 473.1 Colorado River
2. Known industrial - None
* Treatment plant questionnaire.
** Wyatt, 1976.
t Anonymous, 1971.
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14
B. Annual Total Phosphorus Loading - Average Year:
1. Inputs -
kg P/ % of
Source yr total
a. Tributaries (non-point load) -
Colorado River 39,585 80.1
Cow Creek 145 0.3
Pedernales River 4,575 9.3
b. Minor tributaries & immediate
drainage (non-point load) - 1,415 2.9
c. Known domestic STP's -
Johnson City 905 1.8
Marble Falls 1,420 2.9
d. Septic tanks* - 15 <0.1
e. Known industrial - None
f. Direct precipitation** - 1,340 2.7
Total 49,400 100.0
2. Outputs -
Lake outlet - Colorado River 27,165
3. Net annual P accumulation - 22,235 kg.
* Estimate based on 60 lakeshore dwellings (elevation 691 to shoreline;
Wyatt, 1976); see Working Paper No. 175.
** See Working Paper No. 175.
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15
C. Annual Total Nitrogen Loading - Average Year:
1. Inputs -
kg N/ % of
Source yr total
a. Tributaries (non-point load) -
Colorado River 1,366,785 70.7
Cow Creek 14,040 0.7
Pedernales River 282,160 14.6
b. Minor tributaries & immediate
drainage (non-point load) - 179,830 9.3
c. Known domestic STP's -
Johnson City 2,720 0.2
Marble Falls 4,250 0.2
d. Septic tanks* - 640 <0.1
e. Known industrial - None
f. Direct precipitation** - 82.710 4.3
Total 1,933,135 100.0
2. Outputs -
Lake outlet - Colorado River 1,121,110
3. Net annual N accumulation - 812,025 kg.
D. Non-point Nutrient Export by Subdrainage Area:
Tributary kg P/km2/yr kg N/km2/yr
Colorado River <1 15
Cow Creek 1 127
Pedernales River 1 92
* Estimate based on 60 lakeshore dwellings (elevation 691 to shoreline;
Wyatt, 1976); see Working Paper No. 175.
** See Working Paper No. 175.
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16
E. Mean Nutrient Concentrations in Ungaged Streams:
Mean Total P Mean Total N
Tributary Cone, (mg/1) Cone, (mg/1)
Bee River 0.011 0.637
Alligator Creek 0.020 1.097
Double Horn Creek 0.019 0.698
Flat Creek 0.010 0.598
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"
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/m 2/yr 0.64 0.29 25.2 10.6
Vollenweider phosphorus loadings
(g/m2/yr) based on mean depth and mean
hydraulic retention time of Lake Travis:
"Dangerous" (eutrophic loading) 0.84
"Permissible" (oligotrophic loading) 0.42
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17
V. LITERATURE REVIEWED
Butler, Wade D., 1974. Fisheries management recommendations. Fed.
Aid Proj. F-2-R-22, TX Parks & Wildlife Dept., Austin.
Huang, Vicki H., J. Rusty Mase, and E. Gus Fruh, 1973. Nutrient
studies in Texas impoundments. Jour. Water Poll. Contr. Fed.,
vol. 45, no. 1, pp. 105-118.
Vollenweider, R. A., and P. J. Dillon, 1974. The application of
the phosphorus loading concept to eutrophication research.
Natl. Res. Council of Canada Pub!. No. 13690, Canada Centre
for Inland Waters, Burlington, Ontario.
Wyatt, Linda B., 1976. Personal communication (point sources impacting
Lake Travis). TX Water Qual. Bd., Austin.
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18
VI. APPENDICES
APPENDIX A
LAKE RANKINGS
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LAKE DATA TO 8E USED IN RANKINGS
LAKE
CODE LAKE NAME
4801 AMISTAD LAKE
4802 BASTROP LAKE
4803 BELTON RESERVOIR
4804 BHAUNIG LAKE
4805 BROrfNWOOD LAKE
4806 LAKE 8IICHANAN
4807 CADOO 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 RESEHVO
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 RAYBUP.N 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
0.098
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 5EC
371.474
419.917
378.312
461.625
470.375
437.625
463.333
461.667
384.612
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
CrtLORA
2.042
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 oo
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
9.600
14.600
10.400
12.400
15.000
8.800
15.000
14.900
15.000
14.900
14.600
15.000
10.200
15.000
15.000
MEDIAN
DISS OrtTrtO P
0.009
0.007
0.007
0.062
0.007
0.012
O.U1J
0.007
0.006
0.012
0.050
0.009
0.008
0.022
0.016
0.007
0.036
0.011
0.018
0.128
0.013
0.004
0.009
0.010
0.009
0.011
0.009
0.008
-------
LAKE DATA TO BE USED IN BANKINGS
LAKE
CODE LAKE NAME
4829 SOMERVtLLE LAr>E
4830 STAMFORD LAKE
4831 STILLHOUSE HOLLOW
4832 TAWAKONI LAKE
4833 TEXARKANA LAKE
4834 TEXOMA LAKE
4835 TRAVIS LAKE
4836 TRINIDAD
4837 TWIN 8UTTES RESERVOIR
4838 WHITE RIVER RESERVOIR
4839 WHITNEY LAKE
MEDIAN
TOTAL P
0.053
0.073
O.Olb
0.046
0.106
0.042
0.018
0.389
0.029
0.020
0.028
MEDIAN
INOWG N
0.115
0.060
0.160
0.100
0.120
0.160
0.250
0.110
0.250
0.110
0.120
500-
MEAN SEC
473. B33
482.714
406.250
466.417
47B.500
451.321
389.913
479.500
454.917
434.500
430.500
MEAN
CriLORA
24.491
18.457
3.917
18.246
19.119
12.493
5.595
24.300
8.708
4.333
6.912
1s-
MlN DO
13.000
10.600
15.000
13.200
12.400
15.000
15.000
10.000
14.800
15.000
15.000
MEOI AN
UISS O^TrtO >>
0.013
0.012
0.010
0.013
0.030
0.018
0.007
0.240
0.009
0.009
0.008
-------
LAKES RANKED BY INDE* NOS.
RANK LAKE CODE LAKE NAME
INDEX NO
1 4«09 CANYON RESERVOIR 445
2 4823 LAKE MEREDITH 441
3 4813 EAGLE MOUNTAIN LAKE 430
4 4816 KEMP LAKE 423
5 4801 AMISTAO LAKE 402
6 4805 3RO«NWOOD LAKE 394
7 480? BASTRuP LAKE 393
8 4838 WHITE RIVER RESERVOIR 390
9 4825 POSSUM KINGOOM RESERVOIR 387
10 4835 TRAVIS LAKE 384
11 4803 BELTON RESERVOIR 384
12 4831 ST1LLHOUSE HOLLOW RESERV 372
13 4812 DIVERSION LAKE 372
14 4808 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 BUTTES 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 4B21 LYNDON B JOHNSON LAKE 236
30 4834 TEXOMA LAKE 217
31 4829 SOMEKVILLE LAKE 208
32 4826 SAN ANGELO HESERVOIR 200
33 4833 TEXAKKANA LAKE 176
34 4815 GARZA LITTLE ELM RESERvO 173
35 4836 TRINIDAD 169
36 4804 BRAUNIG LAKE 159
37 4811 CORPUS CRIST1 LAKE 155
38 4817 HOUSTON LAKE 139
39 4820 LIVINGSTON LAKE 91
-------
' OF LAKES *ITH HlGHcR VALUES (NUMBER OF LAKES wIT» HIGHER VALUES)
LAKE
CODE LAKE NAME
4801 AMISTAO LAKE
4802 HASTRQO LAKE
4803 8ELTON RESERVOIR
4804 8RAUNIG LAKE
4805 BRO*NWOOD LAKE
4806 LAKE BUCHANAN
4807 CAOOO LAKE
4808 CALAVERAS LAKE
4809 CANYON RESERVOIR
4810 LAKE COLORADO CITY
4811 CORPUS CRISTI LAKE
4812 DIVEHSION 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 RAYBURN RESERVOIR
4828 E V SPENCE RESERVOIR '
MEDIAN
TOTAL P
95 (
79 (
92 (
5 (
66 (
47 (
26 (
45 <
99 (
39 (
8 (
68 (
71 (
24 (
34 (
76 (
16 (
54 (
21 (
3 (
39 (
99 (
82 (
54 (
74 (
13 (
59 (
50 (
36)
30)
35)
2)
25)
18)
10)
17)
37)
14)
3)
26)
27)
9)
13)
29)
6)
20)
8)
1)
14)
37)
3D
20)
28)
5)
22)
19)
MEDIAN
INO«G N
5
76
26
42
70
21
91
100
8
76
47
83
91
66
13
61
16
76
29
3
11
0
91
32
91
45
39
83
( 2)
( 28)
( 10)
( 16)
( 26)
( 7)
( 33)
( 38)
( 3)
( 28)
t 18)
( 31)
( 33)
( 25)
( 5)
( 22)
( 6)
( 28)
( 11)
( 1)
( 4)
( 0)
< 33)
( 12)
( 33)
( 17)
( 15)
( 31)
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)
( 31)
( 37)
( 19)
( 11)
( 28)
( 16)
( 18)
( 36)
( 10)
( 7)
( 12)
( 13)
( 8)
( 6)
( 21)
( 0)
( 25)
( 1)
( 15)
( 20)
< 34)
< 27)
( 24)
( 32)
( 3)
( 26)
( 17)
ME.AN
CrtLOrIA
100
47
68
8
87
63
32
11
97
42
13
29
79
74
34
55
24
39
84
26
66
37
95
53
Sd
0
76
50
( 38)
( 18)
( 26)
< 3)
( 33)
( 24)
( 12)
( 4)
( 37)
( 16)
( 5)
( 11)
( 30)
( 28)
( 13)
( 21)
( 9)
( 15)
( 32)
( 10)
( 25)
( 14)
( 36)
( 20)
< 22)
( 0)
( 29)
( 19)
16-
MIN DO
39
17
17
49
58
17
76
67
49
88
61
97
79
95
55
84
72
17
100
17
39
17
39
49
17
88
17
17
( 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 CMTHO 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
7-6
( 21)
( 34)
( 31)
( 2)
( 3D
( 14)
( 10)
f 34)
( 37)
( 14)
( 3)
( 21)
( 28)
( 6)
( 7)
( 34)
( 4)
( 17)
( 7)
( 1)
( 10)
( 38)
( 21)
< 19)
( 21)
( 17)
( 21)
( 28)
INOtX
NO
40i
393
3tJ4
159
394
261
297
362
445
310
155
372
430
296
173
423
139
298
258
91
238
342
441
302
3d?
200
322
321
-------
PERCENT OF LAKES WITH HIGHER VALUES (NUMBER OF LAKES »ITH HIGHER VALUES)
LAKE
CODE LAKE NAME
4829 SOMERVILLE LAKE.
4830 STAMFORD LAKE
4831 STILLHOUSE HOLLOW REStrtV
4832 TAWAKONI LAKE
4833 TEXAWKANA 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 (
83 (
32 (
11 <
39 (
88 (
0 (
59 (
84 (
63 (
11)
7)
33)
12)
4)
14)
33)
0)
22)
32>
24)
MEDIAN
INOSG 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 5EC
24
5
67
37
13
61
92
11
53
76
79
( 9)
( 2)
( 33)
( 14)
< 5)
( 23)
( 35)
( 4)
( 22)
( 29)
( 30)
MEAN
CHLOP.A
3
18
92
21
16
45
82
5
61
89
71
( 1)
( 7)
( 35)
( 8)
( 6i
( 17)
( 3D
( 2)
( 23)
( 34)
( 27)
1S-
MIN DO
67
82
17
63
72
17
17
92
49
17
17
( 25)
( 31)
( 0)
( 24)
( 27)
( 0)
( 0)
( 35)
< 17)
( 0)
( 0)
MEDIAN
oiss J-^THO K
30 (
39 (
51 (
30 (
13 (
21 I
84 (
0 (
63 (
63 (
76 (
10)
14)
19)
10)
5)
7)
31)
0)
21)
21)
28)
INDEX
NO
201
259
372
2'J3
176
217
J84
169
311
390
357
-------
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
-------
TRIBUTARY FLOW INFORMATION FOR TEXAS
G4/1W76
LAKE CODE 4R35 TRAVIS LAKE
TOTAL DRAINAGE AREA OF LAKE(SQ KM) 98756.6
SUH-DRAINAGE
TRIBUTARY AREAISQ KM)
NORMALIZED FLOwS(CMS)
4835A1
4835A2
4635C1
4835G1
4835ZZ
98756.6
94081.7
110.6
3071.7
1491.3
JAN
21.52
35.11
0.31
5.35
2.61
FC-H
23.22
21.24
0.34
6.54
3.43
MAR
39.93
34.26
0.31
6.65
3.99
APR
60.03
25.20
0.22
9.43
5.15
MAf
85.52
90.90
0.27
11.64
6.20
JON
7U.44
32.28
0.62
9.46
6.31
JOL AUG SER
48.70 42.19 35.68
24.64 29.45 37.10
0.45 0.3<» 0.23
4.42 4.56 12.03
4.84 4.39 6.40
OCT
32.85
57.20
0.45
10.25
5.13
45
29
0
3
2
NUV
.31
.73
.26
.79
.55
DEC
26.05
14.44
0.21
5.30
2.89
MEAN
45.02
36.14
U.34
7.4(3
4.49
SUMMARY
TOTAL
SUM OF
DRAINAGE AREA OF LAKE =
SUB-DRAINAGE AREAS =
96756.6
98755.7
TOTAL FLOw IN =
TOTAL FLOW OUT =
579
539
.08
.44
MEAN MONTHLY FLOWS AND DAILY FLOWS
TRIBUTARY MONTH YEAR
4835A1
MEAN FLOW DAY
FLOW DAY
FLOW DAY
FLOW
4835A2
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
102.790
124.028
149.513
59.465
75.606
145.832
80.137
59.749
246.357
167.919
84.384
42.192
89.198
76.172
128.275
31.149
^9.271
103.073
35.113
52.952
140.452
75.889
26.448
20.473
7
5
2
7
4
10
1
2
8
7
18
26
8
6
B
7
8
8
8
2
10
14
7
26
87.499
0.0
509.703
85.800
85.800
154.044
156.592
60.381 19
154.044 24
154.044
86.083
50.970
14.413
0.0
0.0
0.0
39.077
118.931
52.952
34.547 19
178.679 28
61.872
149.796
34.263
75.606
154.044
59.749
149.796
-------
TRIBUTARY FLO* INFORMATION FOR
04/14/76
LAKE CODE 4835
TRAVIS LA*£
MEAN MONTHLY FLOnS AND DAILY FLOWS(CMS)
TRIBUTARY MONTH fEAfe MEAN FLOW DAY
4835C1
483501
4835ZZ
FLO* DAY
FLO*
FLOW
9
10
11
12
1
2
3
4
5
6
7
a
9
10
11
12
\
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
0.283
0. 144
0.235
0.082
0.071
0.266
0.065
0.023
0.235
0.122
0.025
0.011
20.445
36.529
21.266
7.844
8.835
40.776
9.713
7.985
59.465
25.740
7.815
4.248
37.661
21.238
105.622
3.823
6.230
32.281
3.936
6.400
105.055
30.016
5.409
0.906
e
6
8
7
8
8
8
2
10
14
7
16
7
5
2
7
4
10
1
2
8
18
16
0.091
0.093
0.453
0.085
0.068
0.311
0.074
0.028
0.085
0.108
0.028
0.004
7.985
3.143
31.998
7.136
9.571
29.166
12.686
6.230
48.705
10.959
3.710
19
28
19
0.017
0.255
5.012
-------
APPENDIX D
PHYSICAL and CHEMICAL DATA
-------
ET RETRIEVAL DATE 7^/02/11
483501
30 23 32.0 097 5«t 04.0
TRAVIS LAKE
48453 TEXAS
DATE TIME DEPTH
FROM OF
TO DAY FEET
74/03/15
74/05/22
74/06/20
74/11/06
13 30 0000
13 30 0006
13 30 0025
13 30 0045
13 30 0070
13 30 0100
13 30 0135
13 30 0174
14 20 0000
14 ?0 0005
14 20 0020
14 20 0038
14 20 0070
14 20 0100
14 ?0 0130
14 20 0168
10 ?5 0000
10 25 0020
10 25 0035
10 25 0059
10 25 0080
10 25 0120
10 25 0140
10 25 0160
09 00 0000
09 00 0005
09 00 0020
09 00 0040
09 00 0060
09 00 OOSO
09 00 0100
09 00 0130
09 00 0155
09 00 0176
00010
WATER
TEMP
CENT
17.5
16.8
15.9
14.6
13.7
12.9
12.4
12.1
27.6
27.4
25.4
21.9
18.2
14.9
13.7
13.3
28.9
28.9
28.0
26.4
20.2
16.5
14.4
14.0
22.0
22.0
22.0
22.0
22.0
22.0
22.0
21.8
20.9
17.0
11EPALLS
3
00300 00077 00094
DO TRANSP CNDUCTVY
SECChl FIELD
MG/L INCHES MICROMHO
8.4
9.2
8.8
9.0
7ft
.8
6.0
5.4
8.0
9.0
7.4
60
• 2
5.8
4.6
2.6
7.6
7.6
5.8
0.8
0.6
0.0
0.2
0.0
7.0
6.6
6.8
6.4
6.6
6.6
6.4
5.6
3.6
0 .4
216 450
445
440
432
425
410
400
399
216 546
541
522
499
475
442
431
430
168 528
525
513
509
470
438
419
429
84 420
420
421
420
421
419
420
417
338
452
00400
PH
su
3.60
8.50
8.30
8.20
8.20
8.00
7.70
7.70
8.70
8.65
8.70
8.50
8.30
8.00
7.85
7.65
8.60
8.50
8.15
7.80
7.90
7.80
7.80
7.70
7.86
7.86
7.86
7.84
7.84
7.83
7.82
7.70
7.45
7.25
00410
T ALK
CAC03
MG/L
160
161
161
148
148
148
148
147
136
136
134
142
149
147
147
148
142
142
142
143
143
144
146
146
135
175
2111202
0178 FEET DE=>Tn
00610 00625 00630
NH3-N TOT KJEL N02^N03
TOTAL N N-TOTAL
MG/L MG/L MG/L
0.020
0.020
0.030
0.030
0.020
0.020
0.020
0.040
0.050
0.030
0.030
0.030
0.040
0.040
0.020
0.020
0.020
0.020K
0.020K
0.02U
0.020K
U.020K
0.020K
0.020
0.110
0.360
0.500
0.300
0.300
0.200
0.200
0.200
0.300
0.300
0.300
0.200
0.200K
0.200
0.200K
0.200K
0.200K
0.200K
1.100
0.800
0.800
0.800
0.700
0.700
0.700
0.800
1.000
1.300
0.140
0.120
0.170
0.180
0.190
0.250
0.260
0.300
0.100
0.040
0.060
0.060
0.190
0.260
0.310
0.370
0.220
0.220
0.210
0.220
0.220
0.220
0.22'J
0.240
0.260
0.0/0
00671
PHOS-DIS
ORTHO
MG/L P
0.005
0.004
'0.006
0.004
'0.003
0.007
0.008
.0.009
0.003
0.003
'0.012
0.003
'0.005
0.003
'0.004
0.007
0.018
.0.021
0.014
0.011
0.016
0.009
0.010
0.017
6.027
0.036
K VALUE KNOWN TO 6i£
LESS THAN INDICATED
-------
STORET RETRIEVAL DATE 7b/02/U
30 £3 32.0 097 54 04.0
TRA\/I:> LAKE
48453 TEAAS
11EPALES
3
2111202
0178 FEET
9EPTH
00665
DATE TIME DEPTH PHOS-TOT
FROM OF
TO DAY FEET MG/L P
74/03/15
74/05/22
74/08/20
74/11/06
13 30
13 30
13 30
13 30
13 30
13 30
13 30
13 30
14 20
14 20
14 30
14 20
14 20
14 20
14 20
14 20
10 25
09 00
09 00
09 00
09 00
09 00
09 00
09 00
09 00
09 00
09 00
09 00
0000
0006
0025
0045
0070
0100
0135
0174
0000
0005
0020
0038
0070
0100
0130
0168
0000
0000
0005
0011
0020
0040
0060
0030
0100
0130
0155
0176
0.013
0.011
0.008'
0.007
0.007'
0.010
0.013'
0.018
0.010*
0.003
0.012*
0.009
0.007
0.006
0.010*
0.018
0.025*
0.021
0.021*
0.021.
0.020
0.020
0.019'
0.029
0.062'
0.062
32217
CHLRPHYX
A
UG/L
3.3
00031
INCOT I_T
PERCENT
8.6
2.0
1.9
50.0
1.0
1.0
-------
STOSET RETRIEVAL DATE 76/02/11
<»83b02
30 27 07.C 097 55 29.0
TRAVIS LAKE
48453 TEXAS
00010
DATE
FROM
TO
74/03/15
74/05/22
74/08/20
74/11/06
TIME
DEPTH
OF
DAY
14
14
14
14
J*
11
11
11
11
11
11
09
09
09
09
09
09
10
10
10
10
10
10
10
10
10
10
10
10
50
50
50
50
50
50
50
50
50
50
SO
50
05
05
05
05
05
05
05
FEET
0000
0006
0025
0050
0083
0000
0005
0033
0060
0090
0115
0000
0030
0040
0050
0080
0100*
0000
0005
0020
0040
0060
0080
0101
WATER
TEMP
CENT
17,
17.
17,
13.
12.
26.
26.
22.
20.
14.
14.
29.
29.
27,
27.
20.
16,
22.
22.
22.
22.
22.
22.
22.
18
,5
il
,7
,8
7
6
0
0
9
0
9
8
9
3
2
3
1
1
1
1
1
1
0
00300
DO
HG/L
10.0
8.6
8.4
8.2
8,2
6.0
4.4
4.8
5.6
7.2
6.6
4.8
2.2
0.2
0.0
7.0
6.4
6.4
6.4
6.2
6.6
6.6
00077 00094
TRANSP CNOUCTVY
SECCHl FIELD
INCHES MICtfOMHO
160 «55
450
450
410
400
126 534
533
494
486
444
442
108 536
534
517
516
477
468
72 416
413
416
416
416
416
416
11EPALES
. 3
00400 00410
PH T ALK
SU
8,50
8.50
U.10
8.10
8.05
8.65
8.65
8.30
8.30
8.00
7.80
8.45
8.40
8.10
7.90
7.80
7.80
7.86
7.87
7.86
7.85
7.86
7.85
7.86
CAC03
MG/L
148
148
148
149
149
140
138
144
148
153
153
154
161
162
163
164
165
165
2111202
0087 FEET DEPTH
00610 00625 00630
NH3-N TOT KJEL N02f>N03
TOTAL
MG/L
0.030
0.020
0.020
0.030
0.020
0.030
0.030
0.020
0.030
0.020
0.040
0.020
0.020K
0.030
0.020K
0.020K
0.020K
0.020K
N N-TOTAL
MG/L
0.500
0.400
0.300
0.300
0.300
0.500
0.300
0.200K
0.200K
0.200K
0.200K
1.200
0.700
0.600
0.600
0.600
0.700
0.700
MG/L
0.140
0.120
0.150
0.190
0.220
0.050
0.040
0.140
0.150
0.260
0.330
0.220
0.230
0.230
0.230
0.220
0.230
0.220
00671
PHOS-OIS
ORTrlO
MG/L P
0.005
0.004
0.004
0.003
0.004
0.003
0.002
0.002
0.002
0.002K
0.004
0.015
0.019
0.018
0.015
0.010
0.008
0.012
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORET RETRIEVAL DATE 76/02/11
483502
30 27 07.0 097 55 29.0
TRAVIS l_At\E
48453 TEXAS
UEPALcS
3
DATE
FROM
TO
74/03/15
74/05/22
74/08/20
74/11/06
00665 32217 00031
TIME DEPTH PHOS-TUT CHLRPHYL INCDT LT
OF A HEMMING
DAY FE.ET
14
14
14
14
14
11
11
11
11
11
11
09
10
10
10
10
10
10
10
10
10
10
10
10
10
10
50
50
50
50
50
50
50
05
05
05
05
05
05
05
05
05
0000
OOOb
0025
0050
0033
0000
0005
0033
0060
0090
0115
0000
0000
0001
0005
0010
0020
0040
0060
0080
0101
MG/L P
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
.011
.009
.010
.007
.008
.011
.008
.010
.008
.003
.023
.023
.020
.018
.017
.017
.019
.018
UG/L PERCENT
3.2
6.8
50.0
1.0
1.4
1.5
50.0
1.0
2111202
0037 FEET
DEPTH
-------
STGRET RETRIEVAL DATE 76/02/11
463503
30 22 18.0 093 00 16.0
TRAVIS LAKE
48453 TEXAS
DATE
FROM
TO
74/03/15
74/05/22
74/08/16
74/11/06
00010
TIME DEPTH WATER
OF TEMP
DAY FEET
14
14
14
14
14
14
1
1
1
1
1
1
11
15
15
15
15
15
10
10
10
10
10
10
10
10
15
15
15
15
15
15
10
10
10
io
10
10
10
35
35
35
35
35
45
45
45
45
45
45
45
45
0000
0010
0030
0060
0090
0125
0000
0005
0030
0045
0070
0100
0130
0000
0020
0045
0080
0105
0000
0005
0020
0040
0060
0080
0100
0131
CENT
17
17
17
.8
.8
.2
U.I
13
12
27
26
24
21
17
14
13
29
28
27
20
17
21
21
21
21
21
21
21
21
.1
.7
.1
.8
.4
.1
.1
.6
.7
.4
.4
.7
.4
.7
.8
.9
.9
.9
.8
.8
.8
.1
11EPALES
3
003CO
DO
MG/L
9.0
10.0
8.6
8.8
f>.4
8.0
6.0
3.0
5.0
3.4
2.0
7.2
6.6
2.8
0.4
0.4
7.2
6.6
6.4
6.8
5.0
6.6
e.2
fa. 2
00077 00094
TRANSP CNDUCTVY
SECCHl FIELD
INCHES MICROMnO
180 451
452
446
414
408
407
144 534
530
484
462
460
442
435
206 524
507
504
448
444
72 406
406
406
406
406
405
405
379
00400
PH
so
8.40
8.30
8.25
8.10
8.05
7.75
8.70
a. 70
8.30
7.90
8.10
7.80
7.60
8.60
8.40
8.10
7.70
7.80
7.90
7.9C
7.90
7.89
7.89
7.87
7.86
7.70
00410
T ALK
CAC03
MG/L
159
160
160
160
159
159
138
138
144
143
153
154
152
164
164
163
161
161
159
158
122
2111202
0131 FEET DEPTH
00610
NH3-N
TOTAL
MG/L
0.030
0.030
0.030
O.OJO
0.020
0.020
0.030
0.020
0.030
0.020
0.030
0.020
0.040
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.060
00625 00630
TOT KJEL N02&N03
N N-TOTAL
MG/L
0.400
0.300
0.300
0.300
0.300
0.300
0.300
0.300
0.300
0.200K
0.200K
0.200
0.200
0.800
0.700
0.700
0.600
0.700
0.200
0.300
0.400
MG/L
0.140
0.150
0.160
0.210
0.290
0.290
0.060
0.040
0.150
0.330
0.250
0.320
0.380
0.230
0.230
0.230
0.230
0.230
0.230
0.230
0.260
00t>71
PriOS-OIS
ORfHO
MG/L P
0.008
0.005
0.005
0.005
0.008
0.008
0.002
0.002
0.002K
0.002
0.002
0.003
0.006
0.008
0.008
0.008
0.009
0.009
0.008
0.009
0.015
K VALUE KNOWN TO BE
LESS TriAN INDICATED
-------
STORET WETRIFVAL DATE 7b/o2/n
483503
30 22 18.0 093 00
TRAVIS LAKE
^3453 TtAAS
16.0
2111202
0131 FEET
DEPTH
DATE
FROM
TO
74/03/15
74/05/22
74/08/16
74/11/06
00665 32217 00031
TIME DEPTH PHOS-TOT CnLRPHYL INCDT LT
OF A »EMNING
DAY FEET
14
14
14
14
14
14
11
11
11
11
11
11
11
15
10
10
10
10
10
10
10
10
10
15
15
15
15
15
15
10
10
10
10
10
10
10
35
45
45
45
45
45
45
45
45
45
0000
0010
0030
0060
0090
0125
0000
0005
0030
0045
0070
0100
0130
0000
0000
0001
0005
0020
0040
0060
0080
0100
0131
MG/L P
0.
0.
0,
0.
0.
0.
0.
0,
0.
0,
0,
0,
0.
0,
0,
0,
0,
0,
0,
0,
0,
.011
.009
,00ti
.009
.015
.015
.009
.008
.011
,012
,008
,012
.029
.018
.018
.018
,017
.018
.018
.020
,0b2
UG/L PERCENT
1.8
6.6
50.0
1.0
2.5
1.7
50.0
-------
STORET RETRIEVAL DATE 76/03/11
30 25 53.0 098 03 25.0
TRAVIS LAKE
48453 TEXAS
DATE
FROM
TO
74/03/15
74/05/22
74/08/16
74/ 11/06
TIME
OF
DAY
13 35
13 35
13 35
13 35
13 35
13 35
10 00
10 00
10 00
10 00
10 00
10 00
14 45
14 45
14 45
14 45
14 45
1 30
1 30
1 30
1 30
1 30
1 30
DEPTH
FEET
0000
0010
0025
0050
0070
0082
0000
0005
0025
0045
0065
0085
0000
0010
0025
0050
0070
0000
0005
0020
0040
0060
0087
00010
WATER
TEMP
CENT
18.4
18.2
17.5
15.3
13.5
13. 4
27.3
27.2
25.8
22.0
17.2
15.8
30.6
29.4
28.6
27.9
21.3
21.0
21.0
21.0
21.0
21.0
21.0
llEFALEb
00300
DO
MG/L
10.0
9.0
7.6
6.0
5.6
6.8
7.0
2.1
1.8
1.0
8.0
8.2
5.6
0.6
0.0
7.4
7.0
7.0
7.2
7.2
7.0
00077 00094
TRANSP CNDUCTVY
SECCrti FIELD
INCHES MICKOMHO
140 460
460
442
431
406
409
96 512
509
489
421
445
458
130 543
513
500
493
537
24 466
466
479
480
462
477
3
00400
PH
su
8.35
8.35
8.20
7.95
7.75
7.70
8.70
8.70
8.50
7.70
7.70
7.60
8.70
8.60
8.10
7.70
7.70
7.87
7.89
7.87
7.87
7.87
7.87
00410
T ALK
CAC03
MG/L
164
164
160
168
159
160
152
148
148
150
159
164
134
134
134
134
134
132
211
0087
00610
NH3-N
TOTAL
MG/L
0.040
0.030
0.040
0.050
0.030
0.050
0.050
0.050
O.OtO
0.030
0.030
0.060
0.040
0.030
0.040
0.040
0.040
0.040
1202
FEET DEPTH
00625
TOT KJEL
N
MG/L
0.400
0.400
0.300
0.400
0.400
0.500
0.400
0.200
0.200
0.200
0.200K
0.300
0.500
0.300
0.300
0.300
0.400
0.400
00b30
N02&N03
N-TOTAL
MG/L
0.170
0.150
0.180
0.250
0.320
0. J30
0.190
0.030
0.130
0.380
0.400
0.300
0.260
0.260
0.260
0.250
0.250
0.250
00671
PHOS-OIS
OKfHO
MG/L P
0.007
0.004
0.004
0.004
0.009
0.010
0.004
0.004
0.003
0.003
0.005
0.007
0.021
0.016
0.015
0.017
0.015
0.017
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORET RETRIEVAL DATE 76/02/11
483504
30 25 53.0 098 03 25.0
TRAVIS LAKE
48453 TEXAS
llEPALtS
3
2111202
0037 FEET
DEPTH
DATE
FROM
TO
74/03/15
74/05/22
74/08/16
74/11/06
00665 32217 00031
TIMF DEPTH PHOS-TOT OLRPHYL 1NCDT LT
OF A HEMMING
DAY FEET
13
13
13
13
13
13
10
10
10
10
10
10
14
11
11
11
11
11
11
35
35
35
35
35
35
00
00
00
00
00
00
45
30
30
30
30
30
30
0000
0010
0025
0050
0070
0062
0000
0005
0025
0045
0065
0085
0000
0000
0005
0020
0040
0060
0087
MG/L P UG/L PERCENT
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
.012 3.6
.011
.011
.012
.022
.031
.020 9.7
.016
.019 1.0
.028
.025
.056
4.9
.040 1.8
.037
.042
.040
.040
.049
-------
STO*ET RETRIEVAL DATE 76/02/il
483505
30 23 22.0 098 05 14.0
TRAVIS LAKE
48453 TEXAS
DATE
FROM
TO
74/05/22
74/08/16
74/11/05
TIME DEPTH
OF
DAY FEET
10 40 0000
10 40 0005
10 40 0015
10 40 0020
15 15 0000
15 15 0010
16 50 0000
16 50 0005
16 50 0015
16 50 0032
00010
WATER
TEMP
CENT
28.2
28.1
26.5
25.5
30.0
26.4
20.1
20.2
20.0
19.8
11EFALES
00300
DO
MG/L
6.8
4.4
4.0
7.8
2.4
5.0
7.0
6.4
6.6
00077
TRANSP
SECCHI
INCHES
60
40
12
00094
CNOUCTVY
FIELD
MICrtOMHO
529
534
494
456
598
588
22?
226
217
215
3
00400
PH
su
8.50
8.40
a. 1C
7.90
8.50
7. 90
7.55
7.55
7.49
7.48
00410
T ALK
CAC03
MG/L
182
199
189
165
109
111
109
108
211
0025
00610
NH3-N
TOTAL
MG/L
0.030
0.030
0.070
0.040
0.070
0.070
0.070
0.080
1202
FEET DEPTH
00625
TOT KJEL
N
MG/L
0.400
0.200
0.400
0.400
0.700
0.700
0.600
0.200
00630
N02&N03
N-TOTAL
MG/L
0.250
0.200
0.290
0.370
0.240
0.250
0.230
0.200
00671
HHOS-OIS
OHTriO
MG/L P
U.003
0.003
0.009
0.004
0.020
0.023
0.026
0.027
00665 32217
DATE TIME DEPTH PHOS-TOT CHLRPHYL
FKOM OF A
TO DAY FEET MG/L P UG/L
74/05/22 10 40 0000 0.021 12.4
10 40 0005 0.025
10 40 0015 0.031
10 40 0020 0.027
74/08/16 15 15 0000 23.9
74/11/05 16 SO 0000 0.077
16 50 0005 0.056
16 50 0015 0.065
16 SO 0032 0.072
00031
INCDT LT
HEMMING
PERCENT
-------
STORE? RETRIEVAL DATE 76/02/11
30 29 15.0 098 07
TRAVIS UAKE
48C53 TEXAS
DATE TIME DEPTH
FROM OF
TO DAY FEET
74/03/14 15
15
15
15
15
74/05/22 09
09
09
09
09
74/08/16 14
14
14
14
74/11/06 12
12
12
12
12
00 0000
00 0005
00 0015
00 0030
00 0053
30 0000
30 0005
30 0015
30 0035
30 0050
05 0000
05 0010
05 0025
05 0040
05 0000
05 0005
05 0020
05 0040
05 0061
00010
WATER
TEMP
CENT
19.7
14.7
18.7
17.4
15.2
27.5
27.0
26.5
25.4
18.9
30.3
29.6
28.8
28.4
20.3
20.3
20.4
20.3
20.3
00300
DO
MG/L
9.8
8.6
8.2
5.6
8.6
6.8
4.6
1.2
7.6
7.8
2.4
7.4
7.4
7.0
7.6
7.2
00077
TRANSP
SECChI
INCHES
70
60
110
18
00094
CNDUCTVY
FIELD
MICROMHO
441
445
437
428
381
492
480
488
484
448
519
510
517
517
462
463
462
464
4b9
HE*3'
3
00400
PH
SU
8. 60
8.60
8.45
8.30
7.80
8.8C
8.70
8.50
8.10
7.60
8.70
8.60
8.10
7.90
7.85
7.85
7.85
7.85
7.86
1LE!>
00410
T ALK
CAC03
MG/L
154
154
155
157
155
141
143
149
154
161
121
118
119
117
117
211
0058
00610
NH3-N
TOTAL
MG/L
0.030
0.030
0.040
0.050
0.110
0.060
0.060
0.060
0.050
0.070
0.050
0.050
0.040
0.050
0.050
1202
FEET DEPTH
00625
TOT KJEL
N
MG/L
0.500
0.400
0.300
0.300
0.600
0.500
0.300
0.200
0.200
0.400
0.500
0.300
0.300
0.300
0.300
00630
N02&NU3
N-TOTAL
MG/L
0.180
0.180
0.210
0.240
0.420
0.130
0.170
0.180
0.340
0.360
0.300
0.290
0.290
0.2UO
0.290
00671
PHOS-OIS
ORTHO
MG/L P
0.005
0.004
0.004
0.013
0.014
0.009
0.006
0.006
0.005
0.011
0.025
0.024
0.016
0.022
0.020
DATE
FROM
TO
74/03/14
74/05/22
74/08/16
74/11/06
00665 32217 00031
TIME DEPTH PHOS-TOT CHLRPHYL INCOT LT
OF A REMNING
DAY FEET
15
15
15
15
15
09
09
09
09
09
14
12
12
12
12
12
00
00
00
00
00
30
30
30
30
30
05
05
05
05
05
05
0000
0005
0015
0030
0053
0000
0005
0015
0035
0050
0000
0000
0005
0020
0040
0061
MG/L P UG/L PERCENT
0,
0,
0,
0.
0,
0.
0.
0.
0.
0.
0,
0,
0,
0.
0,
.021 6.6
.015
.014
,018
.032
,028 10.4
,026
.025 1.0
,041
.065
7.5
,051 1.0
,0«*7
.052
.049
.050
-------
APPENDIX E
TRIBUTARY AND WASTEWATER
TREATMENT PLANT DATA
-------
S'TOKET RETRIEVAL DATE 76/03/10
DATE TIME DEPTH N02«.N03
F30M OF
TO DAT FEET
74/09/07
7^/10/05
74/11/02
74/12/07
75/01/04
75/02/10
75/03/01
75/04/02
75/04/19
75/05/08
75/05/24
75/06/07
75/07/18
75/08>26
12 20
09 56
09 20
12 30
09 40
13 07
12 48
IS 15
15 35
15 00
10 15
15 35
13 58
13 20
4635A1
30 23 17.0 097 54 47.0 4
tdlcl 7.5 MANSFltLD UM
0/Lir.t TRAVIS
2NI)i-'Y RD BROG 0.6 Ml Sw MANSFIELD 0AM
HEPALtS 2111204
0000 FEET DEPTH CLASS 00
0630
'{.N03
OTAL
IG/L
0.060
O.lfeO
0.208
0.280
0:320
0.30"*
0.260
0:310
0.370
0.430
0.430
0.345
6.330
0.390
0.280
00625
TOT KJEL
N
MG/L
0.500
0.300
0.800
0.700
0.500
o.soo
0;250
0.850
0.450
0.350
0.450
0.450
0.450
0.450
0.450
00610
• NH3-N
TOTAL
MG/L
0.017
0.045
0.085
0.040
0.016
0.016
0.015
0.035
0.020
0.020
0.030
0.035
0.175
o;oso
0.090
00671
PnOS-OIS
ORTHO
MG/L P
0.005
0.015
0.020
0.016
0.010
O.OOo
0.010
0.005
0.005K
0.005K
0.010
0.005
0.005
0.005
0.020
00665
PHOS-TOT
MG/L P
C.Olt^
0.015
0.030
0.030
0.030
0.030
0.010
O.UlQK
o.oib
0.010K
0.030
o.oib
0.020
0.020
0.020
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STGKET RETRIEVAL DATt
48J5A?
30 34 03.0 09S 16 30.0 4
COLCHAOO RIVE*
48 7.5 MARBLE FALLS
T/L^E: TRAVIS
RT 2=1 bKUG 0.1 Ml S MArfbLE FALLS
HE^iLtS 2111204
0000 FEET DE^Tn CLASS 00
OATE
FSfOM
TO
74/09/08
74/10/06
74/11/08
74/12/07
75/01/08
75/02/08
75/03/08
75/04/02
75/04/19
75/05/10
75/05/2B
75/06/14
75/07/07
75/08/26
00630 00625
TIME DEPTn .'4025. S03 TCT KJEL
OF '.-TOTAL N
DAY FEET
15
10
11
10
10
10
09
11
09
10
10
09
09
10
53
15
00
10
50
45
05
00
10
00
35
43
34
10
"C-/L
0
0
0
0
0
A
0
u
0
0
0
0
0
0
.450
.216
.272
.248
.363
.352
.400
.370
.410
.440
.375
.375
.210
.500
MG/L
0.
0.
0.
2.
1.
0.
0.
0.
0.
0.
1.
1.
1.
0.
700
400
500
400
400
300
750
800
725
800
050
200
200
325
00610 00671 00665
NH3-N PHOS-OIS PHOS-TOT
TOTAL ORTHO
MG/L
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
025
020
045
032
040
072
045
045
030
035
090
025
070
025
MG/L
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
p
045
035
015
008K
010
024
015
005
005K
010
020
005
010
010
MG/L P
0.095
0.030
0.030
0.020
0.040
0.020
0.015
0.015
0.040
0.090
0.020
0.020
0.020
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STCWET n'ETRIEVAL DATE 7o/03/10
433561
30 20 17.0 098 02 08.0 4
SEE nlvEH
%8 7-.5 SHlNGLt Hlt'L
T/LAKE. TRAVIS
50 TOS UPSTREAM OF H«r 71 oKOG
11EFALES 2111204
0000 FEET DEPTH CLASS 00
DATE
FrtOM
TO
7^/09/07
74/10/05
74/11/02
74/12/07
75/01/08
75/02/10
75/03/01
75/OW02
75/04/19
75/05/08
75/05/24
75/06/07
75/07/18
75/08/16
00630 006P5
TIME DEPTH N02&N03 TOT KJEL
OF N-TUTAL N
DAY FEET
11
10
11
13
10
15
15
15
16
17
13
14
12
58
30
30
10
15
45
20
05
05
00
29
2?
20
MG/L
0
C
0
0
0
0
0
0
0
0
0
0
0
0
.036
.416
.352
.504
.480
.448
.410
.165
.050
.220
.280
.300
.180
.270
MG/L
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
100
350
600
100K
100K
300
150
750
450
400
600
100
600
200
00610 00671 00665
NHS-N PHOs-rjis PHOS-TOT
TOTAL OHTHO
MG/L
0.007
0.020
0.040
0.016
0.008
0.016
0.015
0.025
0.030
0.090
0.120
0.025
0.145
0.015
MG/L
0.
0.
0.
0.
0.
a.
0.
0.
0.
0.
0.
0.
0.
0.
P
005
005K
005K
008K
005
008K
005*
005K
005K
065K
OOSK
005K
OOSK
005K
MG/L P
0
0
0
0
0
0
0
0
0
0
0
0
0
0
.005
.010K
.010
-------
STORET RETRIEVAL DATE 76/03/10
4835C1
30 31 20.0 098 02 30.0
C0« C^EEK
43 7.5 TRAVIS
T/LA*E TRAVIS
1431 BROG 2.0 Ml
S OF TRAVIS
2111204
0000 FEET DE°TH CLASS 00
DATE TIME DEPTH N02&.NG3
FROM OF
TO DAY FEET
74/09/08
74/10/06
74/11/08
74/12/07
75/01/08
75/02/08
75/03/08
75/04/02
75/04/19
75/05/10
75/06/14
75/07/07
75/08/16
09 40
09 30
14 10
14 05
13 25
14 45
12 35
14 15
12 45
14 30
13 25
12 16
13 00
0630
:&.NG3
OTAL
G/L
0.750
0.432
1.280
1.100L
1.320
0.650
1.400
1.250
0.780
0.610
0.710
0.660
0.250
00625
TOT KJEL
N
MG/L
0.200
0.400
0.400
0.200
0.500
0.200
0.250
0.850
0.200
0.650
0.250
0.200
0.200
00610
f
-------
STORET RETRIEVAL DATE 76/03/10
DATE TIME DEPTH NC2&N03
FROM OF
TO DAY FEET
74/09/08
74/10/05
74/11/08
74/12/07
75/01/08
75/U2/06
75/33/08
75/04/02
75/04/19
75/05/10
75/05/28
75/06/14
75/07/07
75/08/16
16 40
15 30
09 53
08 50
10 15
10 00
08 10
10 15
08 25
08 45
10 55
08 50
14 45
09 10
4835D1
30 30 55.0 098 09 34.0 4
ALLIGATOR CREEK
48 •'" 7.5 S
T/LAKE TRAVIS
AT FORD ON SPUR 2
11EPALES
0000 FEET DEPTH
6 Ml N SPICFWOOO
211120*
CLASS 00
U630
«.N03
OTAL
iG/L
0.008
0.016
0.080
0.800
0.710
0.2bO
0.850
0.890
0.740
0.560
0.440
0.640
0.690
0.470
00625
TOT KJEL
N
MG/L
0.400
0.300
0.900
0.600
0.300
0.100*
0.400
0.600
0.500
1.550
1.150
0.300
0.650
0.450
00610
NH3-N
TOTAL
MG/L
0.005K
0.015
0.170
0.124
0.012
O.C48
0.025
0.030
0.035
0.080
0.050
0.040
0.060
C..020
OC671
PhOS-OIS
ORTHO
MG/L P
0.010
0.005
0.020
0.008K
0.005
0.008K
0.010
0.010
0.005K
0.010
0.010
0.005K
0.005K
O.OOS
00665
PHOS-TOT
MG/L P
0.010
0.020
0.030
0.010
0.010*
O.OluK
0.01C
0.010
O.OlOK
U.040
0.050
O.OlOiv
O.OlOK
0.050
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
RETRIEVAL DATE .76/03/10
DATE TIME DEPTH N02&N03
FROM OF
TO DAY FEET
74/09/08
74/10/05
74/11/08
74/12/07
75/01/08
75/02/08
75/03/08
75/04/02
75/04/19
75/05/10
75/05/28
75/06/14
75/07/07
75/08/16
16 05
15 00
10 31
09 35
10 35
10 50
08 13
10 40
08 45
09 15
10 ?0
09 15
09 06
09 45
4e35El
30 30 50.0 098 14 05.0 4
DOUBLE HOHN
48 7.5
T/CAKE TRAVIS
AT UNPAVEO RO BRDG 6.0 MI SW OF SMTHwIClv
IIE-^ALES 211120
-------
STOHET RETRIEVAL DATE 76/03/10
DATE TIME DEPTH M32iN03
FROM OF
TO DAY FEET
74/10/05
74/11/02
74/12/07
75/01/04
75/02/10
75/03/01
75/04/02
75/04/19
75/05/08
75/06/07
75/07/18
75/08/16
11 45
10 35
14 30
11 05
16 30
16 00
15 25
16 ?0
09 48
15 17
11 50
4635F1
30 16 30.0 098 12 30.0 4
FLAT CWEEK
48 ^ BLANCO CO MAP
TKAVIS
RD XING 1.0 MI E OF PEDERNALES SP
2111204
0000 FEET OEpTH CLASS 00
0630
'6.N03
OTAL
iG/L
0.336
0.232
0.384
0.352
0.368
0.300
0.380
0.300
0.175
0.190
0.240
0.250
00625
TOT KJEL
H
MG/L
0.200
0.500
0.200
0.200
0.300
0.150
0.500
0.350
0.2?5
0.250
0.450
0.350
00610
NH3-N
TOTAL
MG/L
0.020
0.072
0.048
0.008K
0.016
0.010
0.025
0.035
0.020
0.020
0.040
0.030
00671
PrlOS-IJlS
ORTHO
MG/L P
0.005K
0.005
0.006
0.005K
0.008K
0.005K
0.005K
0.005K
0.005
0.005K
0.005K
0.005K
00665
PHOS-TJT
MG/L P
O.OIO'-
0.010
0.010K
0.010K
0.010K
O.OlOr,
0.010K
0.010K
0.010K
0..010K
0.010K
0.010K
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORET RETRIEVAL DATE 76/03/10
DATE TIMF DEPT
•.FhiOM OF
TO 0AY FEET
74/09/07
74/10/05
74/11/02
74/12/07
75/01/04
75/02/10
75/03/01
75/04/02
75/04/19
75/05/08
75/07/18
75/08/16
11
12
10
15
11
16
16
09
15
16
15
11
20
30
10
30
?5
50
20
10
35
48
37
00
4835G1
30 20 20.0 098 OB 20.0 4
PEQEXNALES RIVER
'•S 7.5 HAMMTS AlNG
T/LAKE TRAVIS
H«Y ^62 8RDG 3.0 MI SE OF TRAVIS CO COKN
11EVALES 2111204
0000 FEET DEPTH CLASS 00
0630
'&N03
OTAL
IG/L
0.470
0.072
0.256
0.840
0.820
0.720
0.820
0.780
0.570
0.470
0.410
0.195
00625
TOT KJEL
N
MG/L
1.100
0.500
1.100
0.200
0.400
0.4QO
0.300
0.700
0.250
0.700
0.500
2.100
00610
NH3-N
TOTAL
MG/L
0.055
0.040
0.060
0.016
0.016
0.016
0.015
0.045
0.025
0.020
0.085
0.065
00671
PrtOS-DIS
ORTHO
MG/L P
0.040
0.005
0.020
0.008K
0.005K
0.008
0.005K
0.005K
0.005K
0.015
0.005K
0.005K
00665
PnOS-TOT
MG/L P
0.075
0.02U
0.010K
0.010K
0.020
0.010K
0.010K
0.010K
0.070
0.020
0.020
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORE! RETRIEVAL DATE 76/03/10
483SXA AS4835XA
30 45 00.0 098 13 30.0 4
P003000
48 7.5 9UWNET
T/LAKE TRAVIS
HAMILTON CREEK
IIE^ALES 2141204
0000 FEET DEPTH CLASS 00
DATE
FROM
TO
74/10/02
cpm-
74/10/02
74/11/13
CP < T ) -
74/11/13
74/12/24
CP(T>-
74/12/24
75/01/22
75/02/10
CP(T)-
75/02/10
75/03/10
CP < T ) -
75/03/10
75/04/03
CP(T)-
75/04/03
75/06/25
CPU)-
75/06/25
75/07/30
cpm-
75/07/30
75/09/22
CP-
75/09/22
75/10/28
CP-
75/10/28
75/11/06
76/01/05
00630
TIME DEPTH N02iN03
OF N-TOTAL
DAY FEET MG/L
08 00
1.040
16 00
08
16
08
16
16
08
16
08
16
08
16
10
14
08
12
08
16
08
14
10
11
00
00
00
00
00
00
30
00
00
00
00
00
ob
00
00
00
00
00
00
00
00
5.
5.
3.
3.
3.
0.
0.
1.
7.
9.
1.
5.
400
280
200
200
120
898
650
450
500
800
570
BOO
00625
TOT KJEL
N
MG/L
11.000
7.000
5.600
3.400
6.600
9.900
11.000
3.800
10.000
3.900
10.000
3.000
9.600
00610 00671 00665 50051 50053
NH3-N PHOS-DIS PHOS-TOT FLO* CONDUIT
TOTAL ORTHO RATE FLOw-MGO
MG/L MG/L P MG/L P INST MOD MONTHLY
0.850 8.700 9.300 0.300 0.250
0.089
0.050K
0.050K
C.080K
1.400
0.470
0.110
0.150
0.025K
0.210
4.200
0.470
5.600
6.600
6.300
4.100
S.750
4.000
7.200
7.200
6.600
6.200
5. 900
7.100
6.000
7.000
7;soo
5.100
7.000
8.600
7.400
7.700
6.900
6.600
9.900
7.500
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
2.
300
326
330
300
300
340
300
360
333
304
270
340
0.320
0.315
0.300
0.333
0.330
0.320
0.356
0.340
0.300
0.300
0.300
2.430
K VALUE KNOWN TO 8E
LESS THAN INDICATED
------- |