U.S. ENVIRONMENTAL PROTECTION AGENCY
NATIONAL EUTROPHICATION SURVEY
WORKING PAPER SERIES
REPORT
ON
CLAMOR LAKE
PULASKI OXHIY
VIRGINIA
EPA REGION III
WORKING PAPER No,
PACIFIC NORTHWEST ENVIRONMENTAL RESEARCH LABORATORY
An Associate Laboratory of the
NATIONAL ENVIRONMENTAL RESEARCH CENTER - CORVALLIS, OREGON
and
NATIONAL ENVIRONMENTAL RESEARCH CENTER - LAS VEGAS, NEVADA
•&GPO 697-O32
-------
REPORT
ON
CLAYTORLAKE
PULASKI COUNTY
VIRGINIA
EPA REGION III
WORKING PAPER No, 460
WITH THE COOPERATION OF THE
VIRGINIA STATE WATER CONTROL BOARD
AND THE
VIRGINIA NATIONAL GUARD
JUNE, B75 820
-------
CONTENTS
Page
Foreword i i
List of Virginia Study Lakes iv
Lake and Drainage Area Map v, vi
Sections
I. Conclusions 1
II. Lake and Drainage Basin Characteristics 4
III. Lake Water Quality Summary 5
IV. Nutrient Loadings 9
V. Li terature -Reviewed- 15.
VI. Appendices 16
-------
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 fresh water 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 [§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.
-------
in
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.
ACKNOWLEDGMENT
The staff of the National Eutrophication Survey (Office of
Research & Development, U. S. Environmental Protection Agency)
expresses sincere appreciation to the Virginia State Water Con-
trol Board for professional involvement and to the Virginia
National Guard for conducting the tributary sampling phase of
the Survey.
Eugene T. Jensen, Executive Secretary of the State Water
Control -Board; Michael A. Bellanca, -Director;- Jean_W. .Gregory.,..._ .
Pollution Control Specialist; and Robert W. Pitchford, Pollution
Control Technician; Bureau of Surveillance and Field Studies;
provided invaluable lake documentation and counsel during the
Survey, reviewed the preliminary reports, and provided critiques
most useful in the preparation of this Working Paper series.
Major General William J. McCaddin, the Adjutant General of
Virginia, and Project Officer Lt. Colonel James D. Manley, who
directed the volunteer efforts of the Virginia National Guardsmen,
also are gratefully acknowledged for their assistance to the
Survey.
-------
iv
LAKE NAME
Bluestone
Chesdin
Chickahominy
Claytor
J. H. Kerr
NATIONAL EUTROPHICATION SURVEY
STUDY LAKES
STATE OF VIRGINIA
J. W. Flannagan
Occoquan
Rivanna
Smith Mountain
COUNTY
Giles, VA; Mercer,
Monroe, Summers, WV
Amelia, Chesterfield,
Dinwiddie
Charles City, New Kent
Pulaski
Charlotte, Hallifax,
Micklenburg, VA;
Granville, Vance,
Warren, NC
Dickenson
Fairfax, Prince William
Albemarle
Bedford, Franklin,
Pittsylvania
-------
37' 00
*»•—
CLAYTOR LAKE
Tributary Sampling Site
X Lake Sampling Site
Scale
_}Km.
-------
CLAYTOR LAKE
ig> Tributary Sampling Site
x Lake Sampling Site
^ Sewage Treatment Facility
—0 Drainage Area Boundary
} , n , 2pKm.
fcMi.
Scale
VIRGINIA
/ TENNESSEE
^/W
*&
37'00'
36-3.M
T
-------
CLAYTOR LAKE
STORE! NO. 5103
I. CONCLUSIONS
A. Trophic Condition:
Survey data indicate that Claytor Lake is eutrophic. It
ranked third in overall trophic quality when the eight Virginia
lakes sampled in 1973 were compared using a combination of six
parameters*. Two of the lakes had less median total phosphorus,
two had less and one had the same median dissolved phosphorus,
five had less median inorganic nitrogen, none had less mean chloro-
phyll a_, and two had greater mean Secchi disc transparency. Marked
depression of dissolved oxygen with depth occurred at stations
1, 2, and 3 in July and at stations 1 and 2 in September.
Survey limnologists did not observe algae or other aquatic
vegetation but did note much surface debris.
Previous investigators have reported periodic blue-green algae
blooms in Peak Creek and Claytor Lake (Gregory, 1973).
B. Rate-Limiting Nutrient:
The algal assay results indicate that Claytor Lake was phos-
phorus limited at the time the sample was collected (04/04/73).
The lake data indicate phosphorus limitation at the other sampling
times as well.
C. Nutrient Controllability:
1. Point sources—The phosphorus contribution of known point
sources amounted to 19.0% of the total input to Claytor Lake during
* See Appendix A.
-------
2
the sampling year. Contributing point sources include the
sewage treatment facilities in Pulaski (6.0%), Gal ax (5.4%),
Wytheville (3.7%), Independence (2.1%), Fries (1.0%), and Hills-
ville (0.7%). Lakeshore septic tanks were estimated to have
contributed 0.1% of the total load. In addition, three industrial
point sources of unknown nutrient significance discharge within
the drainage basin (see page 10).
The high nutrient export rates of Peak Creek and Unnamed
Stream H-l indicate that the contributions attributed to point
sources may be too low (see discussion below).
The present phosphorus loading of 10.06 g/m2/yr is over four
times that proposed by Vollenweider (Vollenweider and Dillon,
1974) as a eutrophic loading (see page 14). While even complete
removal of phosphorus at the listed point sources would only
reduce the overall loading to 8.15 g/m2/yr, Claytor Lake is phos-
phorus-limited, and all phosphorus inputs should be minimized to
the greatest practicable extent to slow the aging of this water
body.
2. Non-point sources—Over 80% of the total phosphorus load
to Claytor Lake was from non-point sources. The New River con-
tributed 69.4%, Big Reed Island Creek contributed 5.1%, Peak Creek
contributed 4.0%, and five other gauged tributaries collectively
contributed 1.5% of the load. Minor tributaries and immediate
drainage were estimated to have contributed 0.8% of the load.
-------
3
The phosphorus export rates of Peak Creek (34 kg/km2/yr),
Unnamed Stream H-l (35 kg/km2/yr), and New River (28 kg/km2/yr)
were somewhat higher than the rates of the other tributaries
in the drainage (see page 13). The higher rates of Peak Creek
and Unnamed Stream H-l may be due to additional unsampled point
sources or to underestimation of the nutrient loads from the known
point sources.
The high export rate of the New River also may be due to
unsampled point sources but probably is due to agricultural
and urban runoff (Gregory, 1974). Note that the phosphorus load
in the New River alone is large enough to result in an overall
loading of 6.98 g/m2/yr, or almost jthree times Vollenweider's
eutrophic loading, and any significant improvement in the trophic
condition of Claytor Lake would require a marked reduction of the
New River phosphorus load.
-------
II. LAKE AND DRAINAGE BASIN CHARACTERISTICS1"
A. Lake Morphometry :
1. Surface area: 18.19 kilometers2.
2. Mean depth: 29.0 meters.
3. Maximum depth: >35.0 meters.
4. Volume: 527.510 x 106 m3.
5. Mean hydraulic retention time: 63 days (based on outflow).
B. Tributary and Outlet:
(See Appendix C for flow data)
1. Tributaries -
Drainage Mean flow
Name area (km2)* (m3/sec)*
New River 4,763.0 83.1
Big Macks Creek 48.4 0.4
Big Reed Island Creek 673.4 8.2
Little Reed Island Creek 216.3 2.0
Pine Run 38.3 0.3
Peak Creek 220.4 2.0
Goose Creek 9.3 0.1
Unnamed Stream H-l 9.6 0.1
Minor tributaries &
immediate drainage - 141.4 1.6
Totals 6,120.1 97.8
2. Outlet -
New River 6,138.3** 97.5
C. Precipitation***:
1. Year of sampling: 122.7 centimeters.
2. Mean annual: 94.0 centimeters.
t Table of metric conversions—Appendix B.
tt Bellanca, 1975.
* For limits of accuracy, see Working Paper No. 175, "...Survey Methods,
1973-1976".
** Includes area of lake.
*** See Working Paper No. 175.
-------
5
III. LAKE WATER QUALITY SUMMARY
Claytor Lake was sampled three times during the open-water season
of 1973 by means of a pontoon-equipped Huey helicopter. Each time,
samples for physical and chemical parameters were collected from
four stations on the lake and from two or more depths at each
station (see map, page v). 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 ^analysis. The maximum
depths sampled were 35.0 meters at station 1, 24.4 meters at station
2, 13.1 meters at station 3, and 3.0 meters at station 4.
The sampling results are presented in full in Appendix D and are
summarized in the following table.
-------
PARAMETER
TEMP (C)
DISS OXY (MG/L)
CNDCTVY (MCROMO)
PH (STAND UNITS)
TOT ALK (MG/L)
TOT P (MG/L)
ORTHO P (MG/L)
NU2+N03 (MG/L)
AMMONIA (MG/L)
KJEL N (MG/L)
INORG N (MG/L)
TOTAL N (MG/L)
CHLRPYL A (UG/L)
SECCHI (METERS)
A. SUMMARY OF PHYSICAL AND
1ST SAMPLING ( 4/ 4/73)
4 SITES
CHEMICAL CHARACTERISTICS FOK CLAYTOR LAKE
STORET CODE 5103
2ND SAMPLING I 7/16/73)
4 SITES
3RD SAMPLING ( 9/27/73)
4 SITES
RANGE
8.3
9.4
88.
7.7
as.
0.030
0.003
0.600
0.050
0.200
0.660
0.820
1.0
0.6
- 13.6
9.8
- 135.
7.9
36.
- 0.068
- 0.019
- 0.770
- 0.120
- 0.500
- 0.860
- 1.240
3.0
0.9
MEAN
11.5
9.6
95.
7.7
30.
0.041
0.011
0.684
0.082
0.311
0.766
0.996
i.a
0.7
MEDIAN
11.9
9.5
92.
7.7
30.
0.040
0.010
0.685
0.080
0.300
0.770
0.980
1.7
0.7
RANGE
11.5
0.2
53.
6.7
22.
0.012
0.003
0.080
0.050
0.200
0.160
0.300
3.3
0.9
- 27.5
8.6
- 241.
9.4
49.
- 0.064
- 0.010
- 0.690
- 0.580
- 0.900
- 0.900
- 1.220
8.7
2.7
MEAN
23.5
4.7
87.
7.6
33.
0.029
0.005
0.302
0.135
0.388
0.437
0.690
6.0
2.1
MEDIAN
25.1
5.6
84.
7.5
30.
0.022
0.004
0.290
0.080
0.400
0.380
0.610
5.9
2.4
RANGE
12.3
0.1
17.
6.6
28.
0.014
0.005
0.030
0.040
0.200
0.120
0.360
3.3
0.8
- 23.6
8.0
- 120.
7.5
74.
- 0.089
- 0.049
- 0.350
- 1.350
- l.dOO
- 1.380
- 1.840
- 15.3
2.6
MEAN
21.6
4.5
96.
7.0
39.
0.027
0.009
0.178
0.222
0.533
0.400
0.711
S.I
1.7
MEDIAN
23.1
5.6
100.
7.0
36.
0.021
0.007
0.160
0.060
0.400
0.250
0.605
8.9
1.8
-------
B. Biological characteristics:
1. Phytoplankton -
Sampling
Date
04/04/73
07/16/73
09/27/73
2. Chlorophyll a. -
Sampling
Date
04/04/73
07/16/73
09/27/73
Dominant
Genera
1.
2.
3.
4.
5.
1.
2.
3.
4.
5.
1.
2.
3.
4.
5.
Flagellates
Fragilaria sjj.
Scenedesmus sp.
Synedra sp.
Tetraedon sp.
Other genera
Total
Flagellates
Navicula SJD.
Nitzchia SJK
Cymbella sp.
Dinobryon SJD.
Other genera
Total
Flagellates
Aphanizomenon sp.
Synedra sp.
Fragilaria sp.
Dactylococcopsis sp,
Other genera
Algal Units
per ml
490
306
215
184
122
488
1,805
1,947
201
113
88
63
302
2,714
801
272
256
256
96
225
Total
Station
Number
01
02
03
04
01
02
03
04
01
02
03
04
1,906
Chlorophyll a
(yg/1)
2.3
1.0
1.1
3.0
3.3
3.9
8.0
8.7
5.2
12.6
15.3
3.3
-------
8
C. Limiting Nutrient Study:
1. Autoclaved, filtered, and nutrient spiked -
Ortho P Inorganic N Maximum yield
Spike (mg/1) Cone, (mg/1) Cone, (mg/1) (mg/1-dry wt.)
Control 0.015 0.702 1.1
0.050 P 0.065 0.702 15.3
0.050 P + 1.0 N 0.065 1.702 19.0
1.0 N 0.015 1.702 1.8
2. Discussion -
The control yield of the assay alga, Selenastrum capri-
cornutum, indicates that the potential primary productivity
of Claytor Lake was moderately high at the time the sample was
collected (04/04/73). A significant increase in yield resulted
from the addition of orthophosphorus, but no such increase
occurred when only nitrogen was added. These results indicate
phosphorus limitation.
The lake data substantiate phosphorus limitation. The mean
inorganic nitrogen/orthophosphorus ratios were 20/1 or greater
at all sampling stations and times, and phosphorus limitation
would be expected.
-------
IV. NUTRIENT LOADINGS
(See Appendix E for data)
For the determination of nutrient loadings, the Virginia National
Guard collected monthly near-surface grab samples from each of the
tributary sites indicated on the maps (pages v and vi). Sampling was
begun in July, 1973, and was completed in June, 1974.
Through an interagency agreement, stream flow estimates for the
year of sampling and a "normalized" or average year were provided by
the Virginia 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" ("II" of U.S.G.S.) were estimated using the means of the
nutrient loads, in kg/km2/year, at stations B-l, C-l, E-l, and G-l
and multiplying the means by the II area in km2.
The operators of the Pulaski, Galax, and Independence wastewater
treatment plants provided monthly effluent samples and corresponding
flow data. The operator of the Fries wastewater treatment plant also
provided monthly effluent samples but only estimated flow data. The
operators of the wastewater treatment plants at Hillsville and Wytheville
did not participate, and nutrient loads from these sources were estimated
* See Working Paper No. 175.
-------
10
at 1.134 kg P and 3.401 kg N/capita/year.
A. Waste Sources:
1. Known municipal -
Name
Fries
Pulaski
Gal ax
Independence
Hillsville*
Wytheville*
Pop.
Served
867
10,500
8,000
200
1,149
6,069
Treatment
septic tank
tr. filter
tr. filter
lagoon
lagoon
prim.
clarifier
Mean Flow
(m'/d)
696.5
5,100.1
4,088.2
402.8
434.9
2,297.1
Receiving
Water
New River
Peak Creek
Chestnut Creek
Peach Bottom
Creek
Little Reed
Island Creek
Atkins Mill
Branch/Reed
Creek
2. Known industrial** -
Name
Klopman Mills
New Jersey
Zinc
Pet Milk
Product
Mean Flow Receiving
Treatment (m3/d) Water
t Treatment plant Questionnaires.
* Anonymous, 1971 (population is 1970 census; flow estimated at 0.3785
m3/capita/day).
** Gregory, 1974.
-------
11
Annual Total Phosphorus Loading - Average Year:
1. Inputs -
Source
a. Tributaries (non-point load) -
New River 127,025 69.4
Big Macks Creek 290 0.2
Big Reed Island Creek 9,415 5.1
Little Reed Island Creek 1,605 0.9
Pine Run 225 0.1
Peak Creek 7,385 4.0
Goose Creek 135 0.1
Unnamed Stream H-l 335 0.2
b. Minor tributaries & immediate
drainage (non-point load) - 1,450 0.8
c. Known municipal STP's -
Fries 1,805 1.0
Pulaski 11,055 6.0
Galax 9,825 5.4
Independence 3,860 2.1
Hillsville 1,305 0.7
Wytheville 6,880 3.7
d. Septic tanks* - 145 0.1
e. Known industrial -
Klopman Mills ?
New Jersey Zinc ?
Pet Milk ?
f. Direct precipitation** - 320 0.2
Total 183,060 100.0
2. Outputs -
Lake outlet - New River 89,960
3. Net annual P accumulation - 93,100 kg.
* Estimate based on 496 lakeshore dwellings, one park, and one camp; see
Working Paper No. 175.
** See Working Paper No. 175.
-------
12
Annual Total Nitrogen Loading - Average Year:
1. Inputs -
kg N/ % of
Source yr total
a. Tributaries (non-point load) -
New River 2,211,795 82.4
Big Macks Creek 5,775 0.2
Big Reed Island Creek 141,890 5.3
Little Reed Island Creek 48,700 1.8
Pine Run 13,585 0.5
Peak Creek 100,120 3.7
Goose Creek 5,090 0.2
Unnamed Stream H-l 3,340 0.1
b. Minor tributaries & immediate
drainage (non-point load) - 43,480 1.6
c. Known municipal STP's -
Fries 6,715 0.3
Pulaski 24,885 0.9
Gal ax 27,680 1.0
Independence 2,820 0.1
Hillsville 3,910 0.2
Wytheville 20,640 0.8
d. Septic tanks* - 5,390 0.2
e. Known industrial -
Klopman Mills ?
New Jersey Zinc ?
Pet Milk ?
f. Direct precipitation** - 19.640 0.7
Total 2,685,455 100.0
Outputs -
Lake outlet - New River 3,905,320
Net annual N loss - 1,219,865 kg.
* Estimate based on 496 lakeshore dwellings, one park, and one camp; see
Working Paper No. 175.
** See Working Paper No. 175.
-------
13
D. Mean Annual Non-point Nutrient Export by Subdrainage Area:
Tributary kg P/km2/yr kg N/km2/yr
New River 28 469
Big Macks Creek 6 119
Big Reed Island Creek 14 211
Little Reed Island Creek 7 225
Pine Run 6 355
Peak Creek 34 454
Goose Creek 15 547
Unnamed Stream H-l 35 348
-------
14
E. 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/m2/yr 10.06 5.12 147.5 loss*
Vollenweider phosphorus loadings
(g/rn2/yr) based on mean depth and mean
hydraulic retention time of Claytor Lake:
"Dangerous" (eutrophic loading) 2.46
"Permissible" (oligotrophic loading) 1.23
* There was an apparent loss of nitrogen during the sampling year. This
may have been due to nitrogen fixation in the lake, solubilization of
previously sedimented nitrogen, recharge with nitrogen-rich ground
water, or unknown and unsampled point sources discharging directly to
the lake. Whatever the cause, a similar nitrogen loss has occurred at
Shagawa Lake, Minnesota, which has been intensively studied by EPA's
former National Eutrophication and Lake Restoration Branch (Malueg
et al., 1975).
-------
15
LITERATURE REVIEWED
Anonymous, 1971. Inventory of municipal waste facilities. EPA
Publ. OWP-1, vol. 3, Wash. DC.
Bellanca, Michael A., 1975. Personal communication (lake morphometry).
VA Water Contr. Bd., Richmond.
Gregory, H. Jean, 1973. Personal communication (VA Water Control
Board data summary for Claytor Lake). VA Water Contr. Bd., Rich-
mond.
_, 1974. Personal communication (lake survey question-
naire)^VA Water Contr. Bd., Richmond.
Malueg, Kenneth W., D. Phillips Larsen, Donald W. Schults, and Howard
T. Mercier; 1975. A six-year water, phosphorus, and nitrogen
budget for Shagawa Lake, Minnesota. Jour. Environ. Qual., vol. 4,
no. 2, pp. 236-242.
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;
-------
VI. APPENDICES
APPENDIX A
LAKE RANKINGS
-------
LA^E UATA TO 3E USED IN K
LAKE
CODE LAKE NAME *
5103 CLAfTOP LAKE
5105 JOHN w. FLANNAGAN DAM
5106 JOHN H. KERR RESERVOIR
5108 OCCOOUAN UESEKVOIH
5110 SMITH MOUNTAIN LAKE
5111 LAKE CHESDIN
5112 CHlCKAHOMINr LAKE
5113 RIVANNA (SOUTH FORK) RES
MEDIAN
TOTAL P
0.031
0.011
0.044
0.098
0.016
O.C<*4
0.066
0.079
MEDIAN
0
0
0
0
0
o
0
0
.450
.320
.290
.525
.MO
.240
.125
.475
500-
MEAN SEC c
<«3v.
415.
458.
459.
41<*.
465.
455.
460.
500
700
937
750
667
778
333
222
5
S
a
12
11
12
13
b
MEAN
HLOi-'A
.6*2
.955
.633
.417
.593
.556
.600
.667
M
14
14
15
15
15
14
9
13
15-
IN uO
.900
.BOO
.000
.000
.000
.800
.400
.000
OliS
0
0
0
0
0
0
0
0
fit (J I AN
OKTnU
.008
.oo<«
.009
.037
.005
.008
.017
.022
-------
PERCENT OK LAKES WlTri HIGHER VALUES (NUMtiE^ OF LAKES rflM HIGHEK VALUES)
LAKE
CODt
5103
5105
5106
5108
5110
5111
5112
5113
LAKE NAME
CLAYTOR LAKE
JOHN w. FLANNAGAN DAM
JOHN H. KERR RESERVOIR
OCCOQUAN RESEHVOIW
SMITH MOUNTAIN LAl\E
LAKE CHESDIM
ChlCKAHOMINY LAKE
RIVANNA (SOUTH FORK) RES
MEDIAN
TOTAL P
71 (
100 (
43 (
0 (
86 (
57 (
29 (
14 (
51
7)
3)
01
61
4)
2)
1)
MEDIAN
IN03G N
29 (
57 (
71 (
0 (
43 (
86 (
100 (
14 <
2)
4)
5)
0)
3)
6)
7)
1)
500-
MEAN SEC
71 (
100 (
43 (
29 (
86 (
0 (
57 (
14 (
5)
7)
3)
2)
6)
0)
4)
1)
MEAN
CHLGWA
100 (
86 (
57 (
29 (
43 (
14 (
0 (
71 (
7)
6)
4)
2)
3)
1)
0)
5)
15-
MIiM 00
43 <
64 (
14 <
14 (
14 (
64 (
100 (
86 (
3)
4)
0>
0)
0)
4)
7)
6)
MtuUN IN'OE
DISS UKlHO M NO
64 (
100 (
43 (
0 (
86 (
64 (
29 (
14 (
4)
7)
3)
C)
6)
4)
2)
1)
3/8
507
271
72
358
265
315
213
-------
LAKES *AN*tU dY I\DL'A NOb.
RANK LAKE CODE LAr\t NAME. IN'UEA NO
I 5iOb JOHN w. FLANNAOAN DAM 507
3 5103 CLAYTOW LAKE 378
3 5110 SMITH MOUNTAIN LAKE 358
«. 51)3 CHICKAHOMINY LAKt 315
5 5111 LAKE CHESOIN ?85
6 5106 JOHN H. KERrt RESEHVOIK ?71
7 5113 RIVANNA (SUJTH FOKK) RES ?13
8 510d OCCOOUAN RESERVOIR 12
-------
APPENDIX B
CONVERSION FACTORS
-------
CONVERSION FACTORS
Hectares x 2.471 = acres
Kilometers x 0.6214 = miles
Meters x 3.281 = feet
-4
Cubic meters x 8.107 x 10 = acre/feet
Square kilometers x 0.3861 = square miles
Cubic meters/sec x 35.315 = cubic feet/sec
Centimeters x 0.3937 * inches
Kilograms x 2.205 = pounds
Kilograms/square kilometer x 5.711 = Ibs/square mile
-------
APPENDIX C
TRIBUTARY FLOW DATA
-------
TRIBUTARY FLO* INFORMATION FOR VIRGINIA
08/05/76
LAKE CODE 5103
CLAYTOR LAKE
TOTAL DRAINAGE AREA OF LAKE(SO KM) 6138.3
SUB-DRAINAGE
TRIBUTARY AREA(SQ KM)
JAN
FEB
MAR
APR
MAY
NORMALIZED FLOWS(CMS)
JUN JUL AUG
SEP
OCT
NOV
DEC
SUMMARY
6138.3
6138.3
TOTAL DRAINAGE AREA OF LAKE
SUM OF SUB-DRAINAGE AREAS
MEAN MONTHLY FLOWS AND DAILY FLOWS(CMS)
TRIBUTARY MONTH YEAR MEAN FLOW DAY FLOW DAY
5103A1
TOTAL FLOW IN
TOTAL FLOW OUT
1175.07
1172.32
FLOW DAY
FLOW
5103A2
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
73
73
73
73
73
73
74
74
74
74
74
74
73
73
73
73
73
73
74
74
74
74
74
74
90.05
84.95
53.24
70.79
68.24
169.62
193.40
168.77
148.95
195.10
134.79
126.01
67.11
62.01
42.76
52.10
53.24
133.94
154.61
141.58
118.65
159.42
97.41
91.18
16
12
8
12
11
9
12
9
9
6
8
8
15
11
8
12
10
8
12
9
9
6
7
8
146.40
23.05
25.26
88.63
35.11
102.51
183.49
136.49
96.28
438.91
120.35
202.47
52.10
69.66
28.12
53.24
42.76
98.54
186.89
112.98
78.15
387.94
95.71 21
172.73 18
28.03
81.84
MEAN
S103A1
5103A2
5103B1
5103C1
5103D1
5103E1
5103F1
5103G1
5103H1
5103ZZ
6138.3
4763.0
48.4
673.4
216.3
38.3
220.4
9.3
9.6
159.5
116.10
99.11
0.57
10.82
2.83
0.42
2.86
0.08
0.08
2.12
141.58
116.10
0.76
13.65
2.94
0.57
2.97
0.14
0.14
2.83
152.91
127.43
0.96
15.97
3.03
0.76
3.03
0.17
0.17
3.40
130.26
107.60
0.68
13.42
2.92
0.51
2.92
0.11
0.11
2.55
99.11
82.12
0.57
10.25
2.83
0.45
2.86
0.08
0.11
2.04
73.62
65.13
0.25
6.26
1.53
0.20
1.59
0.03
0.03
1.05
76.46
65.13
0.34
5.41
1.30
0.14
1.30
0.03
0.03
0.85
79.29
70.79
0.14
3.06
1.10
0.11
1.13
0.02
0.02
0.71
65.13
59.47
0.08
2.94
0.71
0.06
0.71
0.01
0.01
0.45
70.79
62.30
0.06
2.86
0.59
0.06
0.59
0.01
0.01
0.37
76.46
67.96
0.20
5.69
1.39
0.14
1.39
0.03
0.03
0.85
90.61
76.46
0.45
8.58
2.41
0.34
2.41
0.06
0.06
1.64
97.46
83.12
0.42
8.21
1.96
0.31
1.98
0.06
0.07
1.57
-------
TRIBUTARY FLOW INFORMATION FOR VIRGINIA
02/05/76
LAKE CODE 5103
CLAYTOR LAKE
MEAN MONTHLY FLOWS AND DAILY FLOWS
TRIBUTARY MONTH YEAR MEAN FLOW DAY
5103B1
5103C1
5103D1
5103E1
7
B
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
7
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
73
73
73
73
73
73
74
74
74
74
74
74
73
73
73
73
73
73
74
74
74
74
74
74
73
73
73
73
73
73
74
74
74
74
74
74
73
73
73
73
73
73
74
74
74
74
74
74
0.34
0.34
0.21
0.23
0.34
0.93
1.59
1.22
1.25
1.02
0.74
0.48
12.97
10.62
8.27
10.14
8.66
28.60
23.39
21.80
17.13
26.11
13.59
10.76
3.14
2.58
2.01
2.46
2.10
6.97
5.66
5.30
4.16
6.34
3.40
2.83
0.27
0.26
0.16
0.18
0.27
0.74
1.27
0.96
0.99
0.82
0.59
0.37
15
11
8
12
10
8
12
9
9
6
7
8
15
11
8
12
10
8
12
9
9
6
7
8
15
11
8
12
10
8
12
9
9
6
7
8
15
11
8
12
10
8
12
9
9
6
7
8
FLOW DAY
FLOW DAY
FLOW
0.10
0.11
0.06
0.07
0.08
0.15
0.42
0.20
0.16
0.37
0.17
0.12
17.73
11.78
7.11
8.47
7.31
12.37
23.67
18.21
14.33
44.46
14.81
13.45
3.91
2.69
1.70
1.93
1.73
2.66
5.52
3.96
3.06
13.59
3.17
2.89
0.27
0.28
0.19
0.21
0.22
0.40
0.96
0.51
0.40
0.91
0.42
0.31
21
J18
21
18
21
18
21
18
0.14
0.12
14.41
11.78
3.11
2.55
0.37
0.28
-------
TRIBUTARY FLOW INFORMATION FOR VIRGINIA
02/05/76
LAKE CODE 5103
CLAYTOR LAKE
MEAN MONTHLY FLOWS AND DAILY FLOWS(CMS)
TRIBUTARY MONTH YEAR MEAN FLOW DAY
5103F1
510361
5103H1
7
a
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
73
73
73
73
73
73
74
74
74
74
74
74
73
73
73
73
73
73
74
74
74
74
74
74
73
73
73
73
73
73
74
74
74
74
74
74
1.53
1.53
0.93
1.05
1.53
4.28
7.25
5.58
5.69
4.64
3.34
2.18
0.07
0.07
0.04
0.05
0.07
0.18
0.31
0.24
0.24
0.20
0.14
0.09
0.14
0.11
0.09
0.11
0.09
0.31
0.25
0.24
0.18
0.28
0.15
0.11
15
12
8
12
11
9
12
9
9
6
8
8
15
12
8
12
11
9
12
9
9
6
8
8
15
12
8
12
11
9
12
9
9
6
8
8
FLOW DAY
0.85
0.91
0.51
0.62
0.62
1.33
2.89
1.64
1.36
2.78
1.30
1.02
0.05
0.06
0.02
0.03
0.03
0.15
2.21
0.28
0.17
1.81
0.14
0.08
0.06
0.03
0.02
0.02
0.02
0.08
0.11
0.07
0.05
0.45
0.04
0.04
FLOW DAY
FLOW
-------
APPENDIX-
PHYSICAL and CHEMICAL DATA
-------
STORE! RETRIEVAL DATE 76/02/05
510301
37 04 25.0 080 35 25.0
CLAYTOR LAKE
51155 VIRGINIA
DATE
FROM
TO
73/04/04
73/07/16
73/09/27
TIME
OF
DAY
11 10
11 10
11 10
11 10
11 10
11 10
09 30
09 30
09 30
09 30
09 30
09 30
09 30
09 30
09 30
09 30
09 30
09 30
09 30
09 30
10 00
10 00
10 00
10 00
10 00
10 00
10 00
10 00
10 00
DEPTH
FEET
0000
0004
0015
0045
0070
0095
0000
0010
0015
0022
0030
0040
0050
0060
0070
0080
0090
0100
0110
0115
0000
0005
0020
0040
0055
0070
0080
0095
0105
00010
WATER
TEMP
CENT
11.4
11.4
11.3
11.2
9.4
8.2
27.5
27.5
27.2
26.7
24.9
24.0
23.6
23.3
21.7
18.2
15.5
12.8
12.1
11.5
23.6
23.6
23.5
23.3
22.8
21.8
17.7
13.2
12.3
HEP ALES
00300
00
MG/L
9.8
9.8
9.8
9.6
9.6
8.6
6.8
3.0
0.2
0.2
5.4
4.4
3.4
0.1
2.6
0.1
0.2
0.1
00077 00094
TRANSP CNDUCTVY
SECCHI FIELD
INCHES MICROMHO
31 88
88
88
90
92
92
108 76
84
83
79
72
72
72
80
86
53
63
100
115
241
102 91
94
101
96
88
80
90
17
113
3
00400
PH
SU
7.90
7.80
7.80
7.80
7.70
7.70
9.40
9.30
6.90
7.00
6.70
6.90
7.50
7.20
7.00
6.80
6.70
6.70
6.60
6.60
6.70
00410
T ALK
CAC03
MG/L
26
27
28
28
25
29
33
32
30
29
25
39
33
31
34
32
33
28
38
53
61
2111202
0100
00610
NH3-N
TOTAL
MG/L
0.090
0.080
0.080
0.080
0.120
0.100
0.080
0.080
0.080
0.060
0.180
0.580
0.060
0.040
0.090
0.080
0.040
0.140
0.440
0.930
1.270
FEET DEPTH
00625
TOT KJEL
N
MG/L
0.300
0.300
0.300
0.400
0.500
0.400
0.500
0.200
0.200K
0.200K
0.400
0.900
0.500
0.200K
0.200K
0.200K
0.400
0.200K
0.600
1.300
1.800
00630
N02&N03
N-TOTAL
MG/L
0.680
0.680
0.690
0.690
0.740
0.760
0.080
0.100
0.190
0.500
0.690
0.320
0.210
0.190
0.200
0.250
0.080
0.350
0.270
0.030
0.040
00671
PHOS-DIS
ORTHO
MG/L P
0.010
0.008
0.011
0.011
0.019
0.012
0.004
0.005
0.004
0.004
0.010
0.005
0.009
0.007
0.007
0.009
0.049
0.010
0.008
0.007
0.006
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORE! RETRIEVAL DATE 76/02/05
00665 32217
DATE TIME DEPTH PHOS-TOT CHLRPHYL
FROM OF A
TO DAY FEET
73/04/04 11
11
11
11
11
11
73/07/16 09
09
09
09
09
09
73/09/27 10
10
10
10
10
10
10
10
10
10 0000
10 0004
10 0015
10 0045
10 0070
10 0095
30 0000
30 0010
30 0022
30 0050
30 0090
30 0115
00 0000
00 0005
00 0020
00 0040
00 0055
00 0070
00 0080
00 0095
00 0105
MG/L P
0.044
0.040
0.041
0.039
0.068
0.042
0.018
0.020
0.018
0.012
0.046
0.051
0.018
0.018
0.014
0.015
0.089
0.022
0.027
0.021
0.031
UG/L
2.3
3.3
5.2
510301
37 04 25.0 080 35 25.0
CLAYTOR LAKE
51155 VIRGINIA
11EPALES
3
2111202
0100 FEET
DEPTH
-------
STORE! RETRIEVAL DATE 76/02/05
510303
37 03 06.0 060 40 10.0
CLAYTOR LAKE
51155 VIRGINIA
DATE
FROM
TO
73/04/04
73/07/16
73/09/27
TIME
OF
DAY
12 10
12 10
12 10
12 10
12 10
12 10
10 45
10 45
10 45
10 45
10 45
10 45
10 45
10 45
10 45
10 30
10 30
10 30
10 30
10 30
10 30
10 30
DEPTH
FEET
0000
0004
0015
0035
0055
0080
0000
0010
0021
0030
0040
0050
0060
0070
0075
0000
0005
0015
0030
0045
0060
0080
00010
WATER
TEMP
CENT
12.8
12.7
12.7
12.4
9.5
8.4
27.2
27.1
26.2
25.4
24.5
23.9
23.3
20.5
18.8
23.5
23.4
23.4
23.3
23.0
22.0
17.8
UEPALES
00300
00
MG/L
9.5
9.5
9.5
9.5
9.4
7.6
5.3
3.4
0.3
7.0
7.0
5.8
5.8
5.0
0.1
00077 00094
TRANSP CNDUCTVY
SECCHI FIELD
INCHES HICROMHO
24 90
90
92
92
100
100
108 75
80
87
82
85
85
92
102
84
72 120
100
100
100
100
100
120
3
00400
PH
SU
7.70
7.80
7.80
7.70
7.70
7.70
8.50
7.50
7.00
6.90
7.00
7.00
6.90
7.00
6.90
6.80
00410
T ALK
CAC03
MG/L
30
31
31
30
30
34
22
25
24
30
36
35
33
32
36
36
74
2111202
0085
00610
NH3-N
TOTAL
MG/L
0.070
0.060
0.070
0.100
0.090
0.110
0.090
0.100
0.050
0.250
0.050
0.040
0.040
0.050
0.070
0.180
1.350
FEET DEPTH
00625
TOT KJEL
N
MG/L
0.500
0.200
0.200K
0.200
0.200
0.300
0.400
0.200
0.200K
0.500
0.600
0.400
0.400
0.300
0.200
0.400
1.700
00630
N02&N03
N-TOTAL
MG/L
0.630
0.620
0.650
0.750
0.770
0.750
0.180
0.290
0.480
0.610
0.160
0.160
0.160
0.150
0.160
0.290
0.030
00671
PHOS-DIS
ORTHO
MG/L P
0.009
0.009
0.011
0.014
0.010
0.009
0.004
0.003
0.004
0.006
0.006
0.006
0.006
0.006
0.005
0.006
0.005
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORE! RETRIEVAL DATE 76/02/05
DATE
FROM
TO
73/04/04
73/07/16
73/09/27
00665 32217
TIME DEPTH PHOS-TOT CHLRPHYL
OF A
DAY FEET
12
12
12
12
12
12
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
45
45
45
45
30
30
30
30
30
30
30
0000
0004
0015
0035
0055
0080
0000
0021
0050
0075
0000
0005
0015
0030
0045
0060
0080
MG/L P
0.040
0.030
0.031
0.040
0.031
0.032
0.017
0.015
0.015
0.034
0.021
0.022
0.021
0.018
0.016
0.036
0.048
UG/L
1.0
3.9
12.6
510302
37 03 06.0 080 40
CLAYTOR LAKE
51155 VIRGINIA
10.0
11EPALES
3
2111202
0085 FEET
DEPTH
-------
STORE! RETRIEVAL DATE 76/02/05
510303
37 00 13.0 080 40 52.0
CLAYTOR LAKE
51155 VIRGINIA
DATE
FROM
TO
73/0*/04
73/07/16
73/09/27
DATE
FROM
TO
73/04/04
73/07/16
73/09/27
TIME DEPTH
OF
DAY FEET
12 50 0000
12 50 0004
12 50 0015
12 50 0040
11 30 0000
11 30 0010
11 30 0015
11 30 0020
11 30 0025
11 30 0030
11 30 0035
11 30 0040
11 30 0043
11 10 0000
11 10 0005
11 10 0015
11 10 0025
11 10 0040
TIME DEPTH
OF
DAY FEET
12 50 0000
12 50 0004
12 50 0015
12 50 0040
11 30 0000
11 30 0015
11 30 0030
11 30 0043
11 10 0000
11 10 0005
11 10 0015
11 10 0025
11 10 0040
00010
WATER
TEMP
CENT
12.6
12.6
12.6
9.9
26.9
26.7
26.7
26.5
26.1
25.8
25.5
25.0
24.8
23.5
23.5
23.3
23.2
23.0
00665
PHOS-TOT
MG/L P
0.045
0.036
0.034
0.036
0.022
0.021
0.032
0.064
0.023
0.019
0.016
0.016
0.028
00300
DO
MG/L
9.6
9.5
9.4
7.0
7.2
5.6
1.4
7.0
7.0
7.0
7.0
32217
CHLRPHYL
A
UG/L
1.1
8.0
15.3
00077 00094
TRANSP CNDUCTVY
SECCHI FIELD
INCHES MICROMHO
36 90
90
95
95
84 77
86
85
86
85
85
85
86
88
68 100
100
100
100
100
11EPALES
3
00400 00410
PH
SU
7.70
7.70
7.70
7.70
8.00
7.70
7.30
7.00
7.20
7.20
7.00
7.10
7.20
T ALK
CAC03
MG/L
28
29
31
31
24
28
31
49
40
41
41
41
40
2111202
0045 FEET DEPTH
00610 00625 00630
NH3-N
TOTAL
MG/L
0.060
0.060
0.100
0.090
0.080
0.110
0.120
0.220
0.060
0.040
0.050
0.050
0.050
TOT
N
KJEL
MG/L
0
0
0
0
0
0
0
0
0
0
0
0
0
.300
.300
.300
.400
.400
.300
.400
.600
.500
.500
.400
.500
.400
N02&N03
N-TOTAL
MG/L
0.610
0.600
0.720
0.710
0.160
0.180
0.200
0.230
0.110
0.110
0.110
0.100
0.120
00671
PHOS-OIS
ORTHO
MG/L P
0.009
0.008
0.010
0.008
0.004
0.003
0.005
0.006
0.006
0.014
0.008
0.007
0.006
-------
STORET RETRIEVAL DATE 76/03/05
510304
36 58 55.0 080 44
CLAYTOR LAKE
51155 VIRGINIA
13.0
DATE
FROM
TO
73/04/04
73/07/16
73/09/37
DATE
FROM
TO
73/04/04
73/07/16
73/09/27
TIME DEPTH
OF
DAY FEET
17 15 0000
17 15 0006
12 10 0000
12 10 0005
12 10 0010
11 25 0000
11 25 0005
11 25 0010
TIME DEPTH
OF
DAY FEET
17 15 0000
17 15 0006
12 10 0000
12 10 0005
12 10 0010
11 25 0000
11 25 0005
11 25 0010
00010
HATER
TEMP
CENT
13.6
13.6
25.3
25.1
25.1
21.6
21.5
21.5
00665
PHOS-TOT
MG/L P
0.046
0.056
0.036
0.034
0.033
0.032
0.030
0.049
00300
DO
MG/L
9.4
7.2
7.2
8.0
7.8
32217
CHLRPHYL
A
UG/L
3.0
8.7
3.3
00077 00094
TRANSP CNDUCTVY
SECCHI FIELD
INCHES MICROMHO
24 100
135
36 75
80
83
33 100
100
100
HEP ALES
3
00400 00410
PH
SU
7.80
7.80
8.00
7.80
7.80
7.50
7.50
7.30
T ALK
CAC03
MG/L
36
35
45
47
49
36
36
37
2111202
0010 FEET DEPTH
00610 00625 00630
NH3-N
TOTAL
MG/L
0.060
0.050
0.070
0.070
0.080
0.060
0.070
0.070
TOT KJEL
N
MG/L
0.200
0.300
0.500
0.300
0.400
0.400
0.300
0.400
N02&N03
N-TOTAL
MG/L
0.640
0.630
0.300
0.310
0.310
0.330
0.330
0.330
00671
PHOS-DIS
ORTHO
MG/L
0.
0.
0.
0.
0.
0.
0.
0.
P
014
Oil
005
004
008
008
009
009
-------
APPENDIX E
TRIBUTARY and WASTEWATER
. TREATMENT PLANT DATA
-------
STOHET KETKIEVAL OATc.
51C/3A1
37 J4 30.0 080 35 02.0
9 7.5 RAUFOKTH S
U/CLAYTOH LAKE
CLAYTOP UAM
11EPALES 2111204
4 0000 FEET DEPTH
DATE
FKUM
TO
73/07/lb
7 3/ j «/ 1 2
73/09/0^
73/10/12
73/11/11
74/01/12
74/Jj/Os
74/04/06
74/05/OH
74/Ob/OH
TIME DEPTH
OF
OAY FEET
09 05
15 30
09 ?0
09 30
15 00
09 35
ll 30
10 15
10 15
10 30
l;*;63vj
'••J02&N03
IM- TOTAL
MG/L
v.530
u.4v)'J
....336
G .2t> j
-------
uATc. 7o/u3/26
o!03A2
36 b5 09.0 OBO 46 17.0
SI 7.b FOSTEK FALLS
T/CLAfTOK LAKE
100 ITUS AdOV dARKEN SPK STA ON rtT 100
HEPALEb 2111204
4 0000 FEET DEPTH
OATE
FKOM
TO
73/0//lb
73/08/11
73/09/OB
73/10/1?
7J/11/10
73/12/08
74/01/12
74/03/04
74/u4/06
74/05/07
74/o5/21
74/ob/OH
74/ob/l*
TIMF. DEPTH
OK
UAY FEET
10 30
09 55
10 ?0
10 35
10 15
10 45
10 25
10 ?0
10 18
10 40
11 00
10 no
09 30
00630
M02«^03
ixi-TOTAL
MG/L
0.3*0
0.57J
0.110
u.4eO
C .380
0 .600
0.720
U.6<+0
0.740
0.4UO
U .4-9o
0.44J
0.480
00625
TUT KJF.L
M
MG/L
0.500
0.300
0.190
0.300
0.175
0.400
O.tOO
0.20,0
1.300
0.200
0. i'OO
0. 30o
0.300
0 1. b 1 U
NH3-N
TOTAL
hb/L
•J.Ol* .
J.u27
j.075
u .o32
0.044
U.030
O.Olb
J . u 1 b
J .045
•j.025
o.o55
0 .035
0.010
Oo671
PnOb-l>Ib
O^JnO
MG/L P
iO.008
0.018
'0.009
0.020
0.012
0.014
0.016
J.007
0.015
'J . 0 0 5
0.020
0.010
0.015
006bb
PHOb-TOT
MG/L P
0.030
0.0 7b
0.035
0.032
0.035
0.135
0.0d5
0.050
0.040
0.03o
0.050
0.085
0.055
-------
STORE! RETRIEVAL DATE 75/03/26
OA Tt
FROM
TO
73/oV/lb
73/OB/ll
73/09/08
73/10/12
73/11/10
73/12/OH
74/01/12
74/03/09
74/04/06
7<+/Ob/0?
74/Ob/21
74/06/08
74/06/18
TIME DEPTH
OF
L/AY FEET
09 25
09 00
09 30
09 45
09 30
09 35
08 40
04 15
09 31
10 00
10 00
09 00
08 50
36 b9 20.0 080 41 44.0
olO MACKS CKEEK
bi 7.b HlwASSEE
T/CLAfTOrt LAKE
bRDG .5 HI N* OF MACK CREEK VILLAGE
11EPMLE5 2111204
4 0000 FEET DEPTH
00630
TOTAL
MG/L
0.061
0.120
0.0«*4
0 .035
0.024
o .Ob2
0.73J
0.024
U.06d
0.016
0.028
0.076
0.041
00625
TOT KJEL
N
MG/L
0 .440
0.340
0.5HO
0.850
0.100K
0.100K
O.boO
0. lOoK
0.500
0.1 OCK
0.10 OK
0. 200
0.1 OOK
U j 6 1 0
NHJ-IM
TOTAL
MG/L
0.021
U.066
0.023
j.020
0.017
0.012
^.124
0 . 0 1 (J
0.040
•> .0 lU
ij.Olb
o .U2u
u . 0 1 0
00671
PnOS-UlS
ORTHO
MG/L P
0 .006
0.013
0.010
0.012
O.OObK
0.005K
0.012
U.005K
0.005K
U.005K
0.005
j.OObK
O.OObK
00665
PHOb-TOT
MG/L P
0.010
O.OBli
O.o3b
O.ol2
0 .o2u
0.045
0.035
O.o2o
0.005
0.005K
O.oObK
0.005
0 . 0 0 b
VALUF. KNOWN TO BE
THiN INDICATED
LESS
-------
bTOKLf RETRIEVAL UATE 75/03/26
5103C1
36 55 35.0 080 44 50.0
bib HEED ISLAND CREEK
SI 7.5 HlWASSEE
T/CLAYTOK LAKE
brtOG ON SEC WO 1 MI Sw OF ALLISONIA
11EPALES 2111204
4 0000 FEET DEPTH
DATE
FHOM
TO
73/07/15
73/08/11
73/09/OH
73/10/12
73/11/10
73/12/08
74/01/12
74/03/09
7<»/04/06
74/05/07
74/05/21
74/06/08
7W06/18
00630 00625
TIME DEPTH N02kN03 TOT KJEL
OF N-TOTAL N
DAY FEET
09
09
09
10
09
09
09
09
10
10
10
09
09
52
30
50
10
50
55
55
35
01
20
25
30
10
MG/L
0
0
0
J
0
0
u
0
0
0
0
0
0
.250
.250
.170
.140
.189
.380
.340
.276
.420
.232
.252
.264
.22-+
MG/L
0.
0 .
5.
0.
0.
0.
0.
0.
0.
J.
0.
0.
0.
770
<*BO
uOO
300
100K
100
300
100
600
100K
100K
100
400
00610
Nri3-N ^
TOTAL
H(3/L
V
Ij
•J
0
0
0
0
u
u
'j
0
J
0
.042
.016
.030
.019
.017
.016
.024
.Olo
.025
.010
.010
.020
.025
00671 00665
JhO^-Dlb HHOb-TOT
UKTHO
MG/L
0 .
0.
0.
0.
0.
0.
0.
a.
o .
o'«
0;.
0'.
0 .
p
005K
005K
006
015
005K
005K
008
005K
005
005K
OObK
005K
005K
MG/L P
0.030
0.055
0.032
0.020
0.025
0.055
0.047
0.040
0.070
0.015
0.015
0.015
0.035
VALUF KNOWN TO 8E LESS
THAN INDICATED
-------
STORE! KETP.IEVAL OATc 75/03/26
510301
36 55 40.0 080 44 55.0
LITTLE KEED ISLAND CKEEK
51 7.5 HlwASSEE
T/CLArTOk LAKE
ortOG ON SEC KO 1.25 Ml SW OF ALLISONIA
lltPALEb 2111204
4 0000 FEET DEPTH
DATE
FHOM
TO
73/07/15
73/08/11
73/09/08
73/10/12
73/11/10
73/12/Od
74/01/12
74/03/09
7<»/04/Ob
7^/05/07
74/05/21
74/06/08
74/06/18
00630 00625
FIME DEPTH nO^MM03 TOT KJEL
OK ^-TOTAL N
DAY FEET
10
J9
10
10
09
10
10
U9
10
10
10
09
09
00
35
00
15
55
10
01
50
10
?5
30
35
45
M(3/L
0
'0
0'
0
0
o
0
0
0
y
0
u
0
.37o
.3ciO
.100
.315
.250
.4RO
.^»bO
.4<+G
.550
.224
.390
.336
.312
MG/L
0.
0.
2.
0.
0.
0.
0.
1.
u.
0.
0.
0.
u.
280
640
100
275
150
100
300
500
400
100K
100K
200
500
U.',610 00671 00665
IMHJ-N PHOS-UIS PHOS-TOT
TOTAL U^THO
Mo/L
V •
G.
u .
(j «
u.
(j m
0.
j.
0.
0 .
u .
•1 .
0.
018
008
olri
u27
017
012
020
05o
o3o
Ou5
015
025
015
MG/L
0.
0.
0.
0 .
0 .
0.
0.
0.
0 •
0.
0.
0.
0 .
p
008
014
006
018
008
016
012
010
010
005*
010
005
010
MG/L P
0.035
0.020
O.U20
0.030
0.030
0.060
o.oeo
0.055
0.065
0.025
0.040
0.0 75
0.050
VALUE KNOdN TO BE LESS
THAN INDICATED
-------
STOKET KETKIEVAL DATE 75/03/26
DATE
FHOM
TO
73/07/15
73/08/11
73/09/08
73/10/12
73/1 1/10
73/12/08
74/01/12
74/03/09
74/04/06
74/05/07
74/05/21
74/06/08
74/06/18
TIME 1
OF
DAY 1
11 45
10 05
10 45
10 55
10 25
11 05
11 00
11 00
11 03
11 00
11 15
10 10
09 45
Ou630
Th NU26.N03
•M-TOTAL
FEET Mb/L
U.870
1.10U
0.850
0.740
0.810
U.870
1.3u'0
1.010
1 .600
0.820
u.950
C- . 91 u
0.890
5103E1
36 56 17.0 080 47 35.0
PINE KUN
51 7.5 FOSTER FALLS
T/CLAlfTOrt LAKE
drtOG ON KU 1.5 MI NNE OF dAH«EN SPRS STA
11EPALES 2111204
4 0000 FEET DEPTH
U0625
TOT KJEL
N
MG/L
O.bOO
0 .H^+U
1.050
0.150
0.200
0.100K
0.300
0.200
0.500
0. 100K
0.100
0.300
0.800
OtblO
r-iri J-N
TOTAL
Mb/L
0.022
0.020
0.042
O.o2u
u.012
O.UUbK
•j . 0 1 6
U.OOb
J . 0 1 5
1.005
O.G20
0.025
u.O 15
00671
PHOS-01S
OKTHO
MG/L P
G.005K
1 0.010
0.015
0.007
O.Outf
: 0.012
0.005^
O.Olu
0.005K
0.010
0*010
0.020
00665
PHOS-TOT
MG/L P
0.02u
0.020
0.020
0.015
0.020
0.035
0.025
0.020
0.015
o.ulo
0.025
0.04U
0.025
VALUF. KNOWN TO BE LESS
THAN IMDICATED
-------
STOrtET RETRIEVAL DATE 75/03/26
5103F1
37 02 46.0 080 43 00.0
51 7.5 DUBLIN
T/CLAYTO* LAKE
BP,QG UN US 81 1.5 MI N OF MCAOAM
11EPALES 2111204
4 0000 FEET DEPTH
DATE
FPOM
TO
73/07/15
73/08/12
73/09/08
73/10/12
73/11/11
7<»/01/12
74/03/0^
74/U4/06
74/05/08
74/06/08
TIME DEPTH
OF
DAY
09
14
10
08
14
09
10
10
09
10
FEET
30
30
30
30
15
?5
15
55
30
40
Ou630
N02&N03
i\l-TUTAL
MG/L
0 .570
0.580
0.880
0.950
1.24U
0.730
1.200
0.528
U.890
0.400
00625
TOT KJEL
N
MG/L
2.100
0.420
0.<+80
2.300
1.'J50
1 .900
0.8UO
0.500
0.5uO
P.oot;
u i; 6 1 0
NH3-N
FUTAL
MG/L
0.033
0.115
0.250
0.154
0.231
0.24b
j.155
u.055
0.150
0 .u45
00671
PriOS-DIS
ORTHO
MG/L P
0.073
0.110
0.180
0.231
0.330
(y.034
u.110
0-025
0.135
0.080
00665
PhOb-TOT
MG/L P
0.185
0.1 9b
0.47U
0.640
0.500
0.090
0.265
0.025
0.240
0.320
-------
STORET RETRIEVAL DATE 7b/03/r?6
5103G1
37 03 00.0 080 42 44.0
GOObE CREEK
bl 7.5 DUBLIN
T/CLAYTOR LAKE
tIAlMK ON KO 1.5 MI N OF MCADAM
11EPALES 2111204
4 0000 FEET
DEPTH
DATE
FROM
TO
73/07/15
73/08/12
73/09/08
73/10/12
73/11/11
74/01/12
74/03/09
74/04/06
7^/05/04
7WJ6/08
TIME DEPTh
OF
DAY
10
14
10
08
14
10
10
11
09
11
FEET
15
45
00
45
45
00
30
05
<»5
00
00630
N02&N03
N- TOTAL
MG/L
1.880
1.520
0.440
1.920
2.060
2.100
2.200
1.760
1.7bO
1.700
00625
TOT KJEL
M
MG/L
1.300
0.190
0.180
0.200
2.150
l.bOO
0.900
0.400
0.^*00
0.900
0«j610
Nrlj-IM
TOTAL
MG/L
0.011
d.032
0.075
0.026
0.28o
u.25o
0.035
0.025
0.025
0.045
00671
PhOS-DIS
ORTHO
MG/L P
0.110
0.058
0.140
0.027
0.028
0.020
0.005
0.015
0.010
00665
PHOS-TOT
MG/L r>
0.135
0.075
0.180
0.04U
0.020
0.045
0.055
0.050
0.030
0.025
-------
STORET KETKltVAL OATc! 75/03/26
5103H1
37 05 13.0 080 37 31.0
UNNAMED STKEAM
51 7.5 DUBLIN
T/CLAYTOK LAKE
BANK ON E US 81 .5 MI W OF MTN VIEW
HEPALES 2111204
4 0000 FEET DEPTH
DATE
FKOM
TO
73/1)7/15
73/0«/12
73/09/OH
73/10/12
73/11/11
74/oi/i/e
74/03/09
74/04/06
74/05/Ors
74/06/08
TIME DEPTH
OF
DAY FE£T
10 30
15 15
10 45
09 00
14 30
0* 00
11 00
10 35
10 00
11 15
0063o
1^02^1^103
N-lUTAL
M13/L
0.013
J.4^0
1 .bU'j
O.blu
U.37-J
1 . 34'j
1.010
1.340
0.5*0
0 .540
U(lb25
TOT KJEL
N
MG/L
2. 700
0.36U
1.260
0.650
0.950
0.500
0.500
0.300
0. fOO
0.600
0 '., 6 1 0
NM3-N
TOTAL
MG/L
0.020
0.022
0.141
u.023
0.075
0.032
0.020
0.045
0.030
U.025
00671
HriOS-DIS
OK! HO
MG/L P
0.610
0. 1HO
0.083
0.060
0.028
0.016
U.040
0.005K
0.020
0.015
00665
PHOS-TOT
MG/L P
0.735
0.210
0.100
0.124
0.075
0.055
0.095
0.025
0.035
0.090
VALUF KNOWN TO BE LESS
THAN INDICATED
-------
L UAfc 7=>/o3/26
OAIt TIME
FROM 0*-"
TO UVY FE€T
73/10/12 07 00
CP(T)-
73/10/12 14 00
73/11/12 o J 00
73/11/12 14 00
73/12/12 07 00
CP(T>-
7J/12/12 14 Oo
74/01/11 07 00
CP(D-
74/ol/H 14 00
74/o2/12 07 00
CP(D-
74/02/12 14 00
74/03/12 07 00
74/03/12 14 00
74/04/12 07 00
cp00
00610 00671
I\M3-N PH'OS-OIS
TOTAL ORTriO
M(3/L MG/L P
H.OOO
14.000
6.900
8.900
9.900
14.000
8.700
8.700
lb.770
7.200
5.300
4.100
3.800
4.900
5.150
3.500
1
4.100
, 5.225
C.0»0 33.000 19.500
27.UOO 14.500
00665 50051 50053
OS-TOT FLO« CONDUIT
HATE FLOw-MGD
MG/L P MG/L P INST MGD MONTHLY
9.600
6.100
B.500
8.100
4.800
7.400
7.025
5.800 U.500
4.600 6.500
0.280 21.JOO
b.900 2.400
3.45U
0.184
0.184
0.184
0.184
0.184
0.184
0.184
0.184
0.184
0.184
0.184
0.184
-------
DAft
FrfUM
TO
CP(T)-
. DATE
FIME DEPTi N02&N03
OF ij-TOTAL
FEET MG/L
07 00
1^ 00
30.000
S103AA ST5103AA P000867
36 43 00.0 081 57 55.0
TO*/N OF FRIES
51019 CARROLL CO MAP
T/CLAYTOK LAKE
N£«l RIVER
11EPALES 2141204
4 0000 FEET DEPTH
006?5
TOT KJEL
N
MG/L
00610
NH3-N
TOTAL
MG/L
00671
PnOS-OIS
ORTHO
MG/L P
00665
PHOS-TOT
MG/L P
50051
FLOW
RATE
INSr MGO
50053
CONDUIT
FLOirf-MGO
MONTHLY
17.300
5.400
6.900
0.184
-------
STOrttT KEFklEVAL 04T£ 7V03/26
5103FA TF5103FA P010500
37 02 55.0 080 46 00.0
TO*N OF PULASKI
51 7.5 POLASKI
T/CLArTOrt LAKE
PEAK CREEK/iMErt RIVEK
11EPALES 2141204
4 0000 FEET DEPTH
UATE
F^O'-i
TO
73/10/0*
CP(T)-
73/10/02
73/1 1/30
CP(T)-
73/ll/3o
73/12/31
CP-
73/12/31
74/01/31
CP-
74/01/31
74/02/28
CP1TI-
74/02/26
74/04/01
CP(T)-
74/04/01
7«/05/01
CP(T)-
74/05/01
74/Ob/O.i
CP ( T) -
74/Ob/OJ
74/07/01
Ol-ruTAL N
' FEET MG/L M13/L
00
uO
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
4.3oO 7.
J.OOO 9.
1.520 7.
O.uOo 9.
0.720 9.
o.7bo 4.
^.640 18.
Uli-O 16.
l.OoO 1.
U.350 22.
1.360 21.
4.000 19.
600
700
600
600
400
COO
000
000
900
uoo
OOo
000
01610 00671 00665 50051 50053
NhJ-N PHOS-DIS PHOS-TOT FLOW CONDUIT
TOTAL 0«THO RATE FLOml-MGL)
Mu/L MG/L P MG/L P 1NST MGD MONTHLY
0.630
0.040*
0.145
0.430
0.630
0.425
2.800
3.800
1.900
6.200
lo.500
2.
2.
2.
2.
2.
3.
4.
b.
3.
7.
9.
-t>
310
800
090
600
500
500
500
600
400
500
200
100
, 3.300
' 4.000
3.300
1
5.600
1 4.200
4.600
, 5.900
0.000
5.300
1
9.600
' 11. OOo
10.500
'
2
2
1
2
1
1
1
1
1
0
0
1
.400
.300
.940
.040
.720
.480
.340
.220
.400
.668
.876
.060
o.eoo
1.280
1.820
1.950
1.840
1.480
1.530
1.370
1.200
1.000
0.945
1.180
K VaLUi:: KNOWN TO
TriON
F LF.SS
-------
STOP.ET RETRIEVAL DATE 75/03/26
5103FA TF5103FA P010500
37 02 55.0 080 46 00.0
TOWN OF POLASK I
51 7.5 POLASKI
T/CLAYTOH LAKE
PEAK CREEK/iMEnl RIVER
11EPALES 2141204
4 0000 FEET DEPTH
DATE
FROM
TO
74/11/Oi
cpm-
7^/11/01
TIME DEPTH
OF
OAY FEET
06 00
15 00
N02S.N03
iM- TOTAL
MG/L
*.*.,
TOT KJEL
N
MG/L
19.000
00610
NM3-N
TOTAL
MG/L
9.300
00671
PhOS-DIS
OP-THO
MG/L P
7.700
00665
PHOS-TOT
MG/L P
9.000
50051
FLO*
RATE
INST MGD
1.900
50053
CONDUIT
FLOw-MGD
MONTHLY
1.120
-------
STORET RETRIEVAL DATE 76/01/12
5103XA TF5103XA
36 40 00.0 080 56 00.0
CITY OF GALAX
51640 7.5 GALAX
T/CLAYTOR LAKE
CHESTNUT CREEK
11EPALES
4 0000 FEET DEPTH
DATE
FROM
TO
74/04/29
cpm-
74/05/ia
74/05/20
CP(T>-
74/06/10
74/06/24
CP(T)-
74/07/01
74/07/15
CP(T>-
74/08/05
CP(T)-
74/08/19
cpm-
74/09/09
CP(T>-
74/09/30
CP(T)-
74/10/21
74/10/28
CPCT)-
74/11/11
74/11/20
CP-
74/12/02
00630
TIME DEPTH N02&N03
OF N-TOTAL
DAY FEET MG/L
11
16
11
16
11
16
11
11
16
11
16
11
16
10
00
00
00
00
00
00
00
00
00
00
00
00
00
30
0
1
0
0
0
0
0
.320
.680
.200
.280
.080
.480
.340
0.480
11
16
11
16
00
00
00
00
0
8
.400
.800
00625
TOT KJEL
N
MG/L
21.000
19.000
20.000
19.000
17.000
16.500
13.000
13.500
16.000
15.000
00610 00671 00665 50051 50053
NH3-N PHOS-DIS PHOS-TOT FLOW CONDUIT
TOTAL ORTHO RATE FLOW-MOD
MG/L MG/L P MG/L P INST MGD MONTHLY
5
3
4
3
0
3
1
1
1
.000
.100
.400
.150
.150
.900
.500
.500
.900
5.200
6.700
5.300
5.500
0.210
6.050
5.225
5.750
5.250
6.100
7.800
6.700
7.000
7.000
6.400
7.100
5.750
5.750
5.900
6.300
1.200
1.200
0.800
1.000
0.900
1.000
1.000
1.100
1.200
1.200
1.300
1.000
0.800
1.300
0.900
0.900
0.900
1.200
1.300
-------
HtTKlEVAL UATt.
5103YA PD5103YA P000200
36 38 15.0 081 Ob 40.0
IJvUN OF INDEPENDENCE
bl GKAYSON CO
r/CLAYTOK LAKE
PEACH BOHOM ChiEEK
11EPALES 2141204
4 0000 FEET DEPTH
DATE
FrtOM
TO
73/12/03
73/12/31
7<+/Ol/23
74/oi/2^
74/02/14
74/02/27
74/03/21
74/04/01
74/04/Or!
74/05/29
74/o 6/2<*
74/07/18
0>j63o
UME DEPTH iMO.e«.^03
OF u- TOTAL
DAY FEET
09
Utt
09
U9
09
10
09
11
14
11
08
11
30
40
30
?0
?0
?S
40
20
Sb
15
?0
?0
Mb/L
0
w
J
•J
J
J
U
U
J
'J
c
3
• 2oo
. 2'JO
.3bJ
.12o
.OdU
.Orio
.160
.04U
.040
.040
.b25
.400
00625
TUf KJtL
N
MG/L
15.000
16.500
15.500
34.1)00
16.UOO
17. (00
14.000
16.000
4. 050
29.000
31.uOO
19.00U
0 ii 6 1 0
NH3-N
TOTAL
M(,/L
j.260
o.ioo
2.900
1.920
0.330
0 .530
1.250
O.OB7
0.110
3.400
9.700
1.900
00671
PHOS-DIS
OrtTHO
M(3/L P
27.000
22.000
24.000
22.000
19.500
19.500
23.000
18.000
16.500
22.500
24.000
31.000
00665
PHOS-TOT
50051 50053
FLU* CONDUIT
RATE FLOW-MGD
MG/L P 1NST
32.000
24.500
25.000
26.300
24.000
26.000
2b.OOO
23.000
22.000
31.300
34.500
32.000
0
0
0
0
0
0
0
0
0
0
0
0
MGD MONTHLY
.101
.101
.102
.177
.101
.086
.177
.136
.101
.072
.049
.049
0.102
0.139
0.139
0.093
0.131
0.156
0.118
0.087
0.061
0.0t9
------- |