U.S. ENVIRONMENTAL PROTECTION AGENCY
NATIONAL EUTROPHICATION SURVEY
WORKING PAPER SERIES
ON
RADINLAKE
NONTGOfERY AND STANLY COUNTIES
NORTH CAROLINA
EPA REGION IV
WORKING PAPER No, 377
PACIFIC NORTHWEST ENVIRONMENTAL RESEARCH LABORATORY
An Associate Laboratory of the
NATIONAL ENVIRONMENTAL RESEARCH CENTER - CORVALLIS, OREGON
and
NATIONAL ENVIRONMENTAL RESEARCH CENTER - LAS VEGAS, NEVADA
697.032
-------
REPORT
ON
BADINLAKE
NONTGOfERY AND STAHLY COUNTIES
NORTH CAROLINA
EPA REGION IV
WORKING PAPER No, 377
WlTH THE COOPERATION OF THE
NORTH CAROLINA DEPARTMENT OF NATURAL AND ECONOMIC RESOURCES
AND THE
NORTH CAROLINA NATIONAL GUARD
JUNE, 1975
831
-------
CONTENTS
Page
Foreword ii
List of North Carolina Study Lakes iv
Lake and Drainage Area Map v
Sections
I. Conclusions 1
II. Lake and Drainage Basin Characteristics 4
III, Lake Water Quality Summary 5
IV. Nutrient Loadings 10
V. Literature Reviewed 15
VI. Appendices 16
-------
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)]s 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.
-------
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.
ACKNOWLEDGMENT
The staff of the National Eutrophlcation Survey (Office of
Research & Development, U. S.s Environmental Protection Agency)
expresses sincere appreciation to the North Carolina Department
of Natural and Economic Resources for professional Involvement
and to the North Carolina National Guard for conducting the
tributary sampling phase of the Survey.
*
Lewis R. Martin, Director of the Division of Environmental
Management; Darwin L. Coburn, Chief of the Water Quality Section;
and Julian R. Taylor, Supervisor of the Monitoring Program Unit;
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 M. Buck, formerly Adjutant General of
North Carolina, and Project Officer Colonel Arthur J. Bouchard,
who directed the volunteer efforts of the North Carolina National
Guardsmen, are also gratefully acknowledged for their assistance
to the Survey.
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IV
NATIONAL EUTROPHICATION SURVEY
STUDY LAKES
STATE OF NORTH CAROLINA
LAKE NAME
Badin
Blewett Falls
Chatuge
Fontana
Hickory
High Rock
Hiwassee
James
John H. Kerr (Nut Bush Creek)
Junaluska
Lookout Shoals
Mountain Island
Norman
Rhodhiss
Santeetlah
Tillery
Waccamaw
Waterville
Wylie
COUNTY
Montgomery, Stanly
Anson, Richmond
Clay, NC; Towns, 6A
Graham, Swain
Alexander, Caldwell,
Catawba
Davidson, Rowan
Cherokee
Burke, McDowell
Granville, Vance, Warren,
NC; Halifax, Mecklenburg,
VA
Haywood
Alexander, Catawba, Iredell
Gaston, Mecklenburg
Catawba, Iredell, Lincoln,
Mecklenburg
Burke, Caldwell
Graham
Montgomery, Stanly
Columbus
Haywood
Gaston, Mecklenburg, NC;
York, SC
-------
HIGH
ROCK
LAKE
B1
"MONTGOMERY co
BADIN LAKl
Tributary Sampling
Site
Map Location
X Lake Sampling Site
• Sewage Treatment
Plant
-------
BADIN LAKE
STORE! NO. 3701
I. CONCLUSIONS
A. Trophic Condition:
Survey data indicate that Badin Lake is eutrophic. However,
because of the short hydraulic retention time of 28 days, the
lake more closely resembles a slow-flowing river, and the term
"over-enriched" may be a more appropriate description of the
* condition of this water body.
Badin Lake ranked fifteenth in overall trophic quality when
the 16 North Carolina lakes sampled in 1973 were compared using
a combination of six parameters*. Ten of the lakes, had less
median total phosphorus, 11 had less median dissolved phosphorus,
11 had less mean chlorophyll a_, and 11 had greater mean Secchi
disc transparency. Marked depression of dissolved oxygen with
depth occurred at all sampling stations in July and at stations
1 and 3 in September.
Survey limnologists noted extensive growths of emergent
aquatic vegetation along the shoreline near sampling stations
2, 3, and 4; and a 45- to 55-fold increase in phytoplankton
numbers occurred in July and September, and blue-green genera
were dominant (see page 7).
* See Appendix A.
-------
B. Rate-Limiting Nutrient:
The algal assay results indicate Badin Lake was phosphorus
limited at the time the sample was taken (03/24/73). The lake
data indicate phosphorus limitation at all sampling stations
and times; i.e., the mean inorganic nitrogen to orthophosphorus
ratios were 26 to 1 or greater.
C. Nutrient Controllability:
1. Point sources—It is estimated that the community of
Denton contributed only 0.3% of the total phosphorus load to
Badin Lake during the sampling year.
The present phosphorus loading rate of 16.66 g/m2/yr is
nearly seven times that proposed by Vollenweider (Vollenweider
and Dillon, 1974) as a eutrophic rate {see page 14); and,
while Vollenweider's model may not be applicable to water
bodies with short hydraulic retention times, the existing
trophic condition of Badin Lake is evidence of excessive
nutrient loads.
Control of phosphorus only at the Denton wastewater
treatment plant probably would have little effect on Badin
Lake. However, a high degree of phosphorus control at the
point sources impacting upstream High Rock Lake* (see map,
page v) should result in a significant improvement in the
trophic condition of Badin Lake, since the primary productivity
of the latter is phosphorus-limited.
* Working Paper No. 381.
-------
Considering only the phosphorus contributions of the point
sources impacting High Rock Lake within the 40-kilometer limit
of the Survey* and the retention in that lake during the samp-
ling year (54%), it is calculated that 137,000 kg of the upstream
point-source phosphorus load also impacted Badin Lake; i.e., 46%
of the 298,000 kg point-source load impacting High Rock Lake.
2. Non-point sources—The Yadkin River contributed the
largest phosphorus load of the sampled tributaries. However,
on the basis of Survey data and other studies (Anonymous, 1973),
much of this load can be attributed to the point sources impact-
ing High Rock Lake as discussed above.
* See Working Paper No. 175, "...Survey Methods, 1973-1976".
-------
II. LAKE AND DRAINAGE BASIN CHARACTERISTICS1"
j. i
A. Lake Morphometry :
1. Surface area: 24.17 kilometers2.
2. Mean depth: 14.2 meters.
3. Maximum depth: 53 meters.
4. Volume: 344 x 106 m3.
5. Mean hydraulic retention time: 28 days.
B. Tributary and Outlet:
(See Appendix C for flow data)
1. Tributaries -
Drainage Mean flow
Name area (km2)* (m3/sec)*
Yadkin River 10,657.8 139.8
Beaverdam Creek 23.1 , 0.2
Minor tributaries &
immediate drainage - 11JL3 1.4
Totals 10,794.2 141.4
2. Outlet -
Yadkin River 10,818.4** 141.4
C. Precipitation***:
1. Year of sampling: 135.1 centimeters.
2. Mean annual: 119.0 centimeters.
t Table of metric conversions—Appendix B.
ft Park, 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. LAKE WATER QUALITY SUMMARY
Badin 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 a number of depths at each station
(see map, page v). During each visit, a single depth-integrated
(4.6 m to surface) sample was composited from the four stations for
phytoplankton identification and enumeration; and during the first
visit, a single 18.9-liter depth-integrated sample was composited for
algal assays. Also each time, a depth-integrated sample was collected
from each of the stations for chlorophyll a_ analysis. The maximum
depths sampled were 50.6 meters at station 1, 16.5 meters at station 2,
35.7 meters at station 3, and 18.6 meters at station 4.
The lake sampling results are presented in full in Appendix D and
are summarized in the following table.
-------
A. bUMHAKt UF PhYbJCAL
1ST
( 3/23//J)
i>!Tfc!>
CHEMICAL CHAHACTErtlsriCS fOK rtADlN LAKE
STORET COJE 3701
2NIJ bAMPLINO ( 7/1 1/73)
4 blTtb
SAMPLING I 9/19/7J)
4 SITES
Tt*lP
50.
7.1
10.
U.077
u.020
0.-.7J
c.lba
J.2CJ
0.670
U.670
3.?
U.J
- 14,3
9.6
70.
7.6
22.
- 0. I6d
- 0.03.^
- t.640
- O.?40
- J.CO'J
- ii.ROO
- 1.370
5.5
0.3
12. j 12.7
».C 9.2
62. b2.
7.4 7.4
13. 12.
0.110 J.095
0.024 &.U23
0.544 O.S4b
0.190 0.195
0.401 0.400
0.734 C.73b
0.947 0.940
4.S 4.6
0.3 0.3
rtANGE
0.1
63.
6.4
19.
0.025
0.002
0.080
0.070
0.2UO
O.lbO
0.430
4.5
O.d
d.O
90.
9.4
3S.
- 0.064
- 0.021
- 0.700
- U.410
- O.SOU
- 0.650
- 1.260
7.7
1.2
22.9
2.8
72.
7.0
24.
0.038
0.010
0.39^
(j.lb-b
0.445
O.S54
O.B41
6.1
1.0
MEuIrtN
25.9
1.4
70.
6.6
34.
0.040
O.Ull
0.420
0.150
O.SOO
0.650
0.870
b.l
1.0
RANGE
7.2 - 26.4
0.1
50.
6.2
19.
0.013
0.006
0.030
0.020
0.200
0.210
0.400
9.2
0.9
t>.4
75.
6.9
44.
- 0.043
- 0.013
- (*.b70
- O.tSBO
- 2. tOO
- 0.920
- d.670
- 11. a
l.b
MEAN
22.3
J.I
67.
6.5
24.
0.02J
0.010
0.206
0.1U9
0.611
0.395
O.H17
10.4
l.J
MEDIAN
25.9
4.0
68.
O.b
21.
0.024
0.009
0.200
0.09b
0.500
0.290
0.72b
10.3
1.4
-------
B. Biological characteristics:
1. Phytoplankton -
Sampling
Date
03/23-24/73
07/11/73
09/19/73
Dominant
Genera
1. 'Cryptomonas sp.
2. Meloslra sp_.
3. Trachelomonas sp.
4. Asterionella sp.
5. Flagellates
Other genera
Total
1. Raphidiopsis sp.
2. Synedra sp_.
3. Coccoid cells
4. Microcystis sp.
5. Scenedesmus sp.
Other genera
Total
1. Rajjhidiopsis sp.
2. Oscnia_to_r1a_ sp.
3. Scenedesmus sp.
4. Melosira sjj.
5. Synedra sp.
Other genera
Algal units
per ml
97
58
48
48
29
98
21
378
,134
,138
576
411
247
575
25,081
15,
705
897
192
124
32
36
Total
16,986
-------
8
2. Chlorophyll a_ -
Sampling
Date
03/23-24/73
07/11/73
09/19/73
Station
Number
01
02
03
04
01
02
03
04
01
02
03
04
Chlorophyll a_
(ug/1)
5.5
3.2
5.2
4.1
7.7
4.5
9.9
10.8
11.8
9.2
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
0.050 P
0.050 P + 1.0 N
1.0 N
2. Discussion -
The control yield of the assay alga, Selenastrum capri-
cornutum, indicates that the potential primary productivity
of Badin Lake was high at the time the sample was collected
(03/24/73). The addition of phosphorus alone resulted in an
increase in yield which indicates phosphorus limitation
0.028
0.078
0.078
0.028
0.424
0.424
1.424
1.424
6.3
14.4
24.4
6.8
-------
(note that the addition of only nitrogen did not signifi-
cantly increase the yield over that of the control).
The lake data substantiate that Badin Lake was phosphorus
limited. At all sampling stations and times, the mean inor-
ganic nitrogen to orthophosphorus ratios were 26 to 1 or
greater.
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10
IV. NUTRIENT LOADINGS
(See Appendix E for data)
For the determination of nutrient loadings, the North Carolina
National Guard collected monthly near-surface grab samples from each
of the tributary sites indicated on the map {page v), except for the
high runoff months of January and February when two samples were col-
lected. Sampling was begun in March, 1973, and was completed in
March, 1974.
Through an interagency agreement, stream flow estimates for the
year of sampling and a "normalized" or average year were provided by
the North Carolina District Office of the U.S. Geological Survey for
the tributary sites nearest the lake.
In this report, nutrient loads for sampled tributaries were deter-
mined 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 means of the
nutrient loads, in kg/km2/year, at station B-l and multiplying the
means by the ZZ area in km2.
The operator of the Denton wastewater treatment plant did not
participate in the Survey, and nutrient loads were estimated at 1.134
kg P and 3.401 kg N/capita/year.
See Working Paper No. 175.
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11
A. Waste Sources:
1. Known municipal* -
Name
Denton
Pop.
Served
Treatment
1,017
2. Known industrial - None
trickling
filter
Mean Flow
(m3/d)**
384.9
Receiving
Water
Lick Creek
* Anonymous, 1971.
** Estimated at 0.3785 m3/capita/day.
-------
12
B. Annual Total Phosphorus Loading - Average Year:
1. Inputs -
kg P/ % of
Source ^r total
a. Tributaries (non-point load) -
Yadkin River 399,530 99.2
Beaverdam Creek - 255 0.1
b. Minor tributaries & immediate
drainage (non-point load) - 1,245 0.3
c. Known municipal STP's -
Denton 1,155 0.3
d. Septic tanks* - 55 <0.1
e. Known industrial - None
f. Direct precipitation** - 425 0.1
Total 402,665 100.0
2. Outputs -
Lake outlet - Yadkin River 316,515
3. Net annual P accumulation - 86,150 kg.
* Estimate based on 201 lakeshore dwellings; see Working Paper No. 175.
** See Working Paper No. 175.
-------
13
C. Annual Total Nitrogen Loading - Average Year:
1. Inputs -
kg N/ % of
Source yr total
a. Tributaries (non-point load) -
Yadkin River 5,179,290 98.7
Beaverdam Creek 6,170 0.1
b. Minor tributaries & immediate
drainage (non-point load) - 30,250 0.6
c. Known municipal STP's -
Denton 3,460 0.1
d. Septic tanks* - 2,140 <0.1
e. Known industrial - None
f. Direct precipitation* - 26,095 0.5
Total 5,247,405 100.0
2. Outputs -
Lake outlet - Yadkin River 5,275,525
3. Net annual N loss - 28,120 kg.
D. Mean Annual Non-point Nutrient Export by Subdrainage Area:
Tributary kg P/km2/yr kg N/km2/yr
Yadkin River , 37 486
Beaverdam Creek 11 267
* Estimate based on 201 lakeshore dwellings; see Working Paper No. 175.
** See Working Paper No. 175.
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14
E. Yearly Loading Rates:
In the following table, the existing phosphorus loading
rates are compared to those proposed by Vollenweider (Vollen-
weider and Dillon, 1974). Essentially, his "dangerous" rate
is the rate at which the receiving water would become eutrophic
or remain eutrophic; his "permissible" rate is that which would
result in the receiving water remaining oligotrophic or becoming
oligotrophic if morphometry permitted. A mesotrophic rate 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 16.66 3.56 217.1 loss*
Vollenweider loading rates for phosphorus
(g/mz/yr) based on mean depth and mean
hydraulic retention time of Badin Lake:
"Dangerous" (eutrophic rate) 2.50
"Permissible" (oligotrophic rate) 1.25
* 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 National Eutrophi-
cation and Lake Restoration Branch {Malueg et al., 1975).
-------
15
V. LITERATURE REVIEWED
Anonymous, 1971. Inventory of municipal waste facilities. EPA
Publ. No. OWP-1, vol. 4, Washington, DC.
Anonymous, 1973. Upper Yadkin River basin, North Carolina, water
quality study. EPA, Region IV, Atlanta, GA.
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.
Park, David, 1974. Personal communication (lake morphometry). NC
Dept. of Nat. & Econ. Resources, Raleigh.
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.
Weiss, Charles M., 1972. A proposal to the Water Resources Research
Institute of the University of North Carolina. The trophic state
of North Carolina lakes, covering the period July 1, 1972 to
June 30, 1973. U. of North Carolina, Chapel Hill.
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VI. APPENDICES
APPENDIX A
LAKE RANKINGS
-------
LAKES RANKED BY INDEX NOS.
RANK LAKE CODE LAKE NAME
1 3719
2 3716
3 3711
4 3707
5 3704
6 3713
7 3708
8 3710
9 3715
10 3705
11 3717
12 3709
13 3702
14 3718
15 3701
16 3706
LAKE WACCAMAW
SANTEELAH LAKE
MOUNTAIN ISLAND LAKE
HIWASSEE LAKE
FONTANA LAKE
LAKE NORMAN
LAKE JAMES
LOOKOUT SHOALS
RHODHISS LAKE
LAKE HICKORY
LAKE TILLERY
LAKE JUNALUSKA
8LEWETT FALLS LAKE
WATERVILLE RESERVOIR
BADIN LAKE
HIGH ROCK LAKE
INDEX NO
534
446
419
414
392
346
334
327
296
283
246
220
200
140
124
76
-------
PERCENT OF LAKES WITH HIGHER VALUES (NUMBER OF LAKES WITH HIGHER VALUES)
LAKE
CODE LAKE NAME
3701 BAOIN LAKE
3702 BLEWETT FALLS LAKE
3704 FONTANA LAKE
3705 LAKE HICKORY
3706 HIGH ROCK LAKE
3707 HIWASSEE LAKE
3708 LAKE JAMES
3709 LAKE JUNALUSKA
3710 LOOKOUT SHOALS
3711 MOUNTAIN ISLAND LAKE
3713 LAKE NORMAN
3715 RHODHISS LAKE
3716 SANTEELAH LAKE
3717 LAKE TILLERY
3718 WATERVILLE RESERVOIR
3719 LAKE WACCAHAW
MEDIAN
TOTAL P
33 (
7 (
100 (
27 <
13 (
87 <
60 (
47 (
53 i
73 1
67 1
20 I
93 <
40 I
0 i
80 i
5)
1)
15)
4)
2>
13)
; 9)
; 7)
1 fl>
( It)
: io>
: 3)
! 14)
[ 6)
( 0)
I 12)
MEDIAN
INORG N
7 <
13 <
33 1
60 <
20 <
80 1
87 1
27 (
47 1
73 <
53 i
67 i
93
40 '
0
100
1)
: 2)
; 5)
! 9)
; 3>
I 12)
I 13)
! 4)
[ 7)
I 11)
I 8)
( 10)
( 14)
( 6)
( 0)
( 15)
500-
HEAN
27
7
93
53
0
87
80
43
60
43
73
33
100
13
20
67
SEC
( 4)
( 1)
( 14)
( 8)
( 0)
< 13)
< 12)
( 6)
( 9)
( 6)
< 11>
( 5)
( 15)
( 2)
( 3>
( 10)
MEAN
CHLORA
27
73
100
13
0
47
7
20
67
53
40
93
60
33
80
87
< 4>
I 11)
( IS)
( 2)
( 0)
( 7)
( 1)
< 3)
( 10)
( 8)
( 6)
( 14)
1 9)
( 5)
( 12)
t 13)
15-
MIN DO
3
93
3
80
23
50
23
50
60
87
23
70
23
70
40
100
( 0)
( 14>
( 0)
( 12)
( 2>
( 7>
( 2>
( 7)
t 9)
( 13)
( 2)
( 10)
( 2)
( 10)
( 6>
( 15)
MEDIAN
DISS ORTHO P
27 <
7 I
63 (
SO (
20 (
63 (
77 <
33 (
40 (
90 (
90 <
13 <
77 (
50 (
0 (
100 (
4)
1)
9)
7)
3)
9)
11)
5)
6)
13)
13)
2)
11)
7)
0)
15)
INDEX
NO
124
200
392
283
76
414
334
220
327
419
346
296
446
246
140
534
-------
LAKE DATA TO BE USED IN RANKINGS
LAKE
CODE LAKE NAME
3701 BADIN LAKE
3702 BLEWETT FALLS LAKE
370* FONTANA LAKE
3705 LAKE HICKORY
3706 HIGH ROCK LAKE
3707 HIHASSEE LAKE
3708 LAKE JAMES
3709 LAKE JUNALUSKA
3710 LOOKOUT SHOALS
3711 MOUNTAIN ISLAND LAKE
3713 LAKE NORMAN
3715 RHOOHISS LAKE
3716 SANTEELAH LAKE
3717 LAKE TILLERY
3718 WATERVILLE RESERVOIR
3719 LAKE WACCAMAW
MEDIAN
TOTAL P
0.042
0.090
0.011
0.047
0.090
0.015
0.020
0.031
0.026
0.018
0.019
0.061
0.011
0.040
0.103
0*018
MEDIAN
INORG N
0.680
0.655
0.550
0.320
0.580
0.240
0.160
0.560
0.370
0.270
0.330
0.305
0.160
0.470
0.860
0.120
500-
MEAN SEC
466.750
476.889
392.650
461.000
477.454
420.555
428.866
462.000
459.167
462.000
446.667
462.111
366.400
468.600
468.333
455.667
MEAN
CHLORA
7.190
4.167
3.438
7.275
14.283
5.678
7.660
7.233
4.200
5.580
5.807
3.578
5.360
6.827
3.817
3.583
15-
MIN DO
14.900
10.800
14.900
13.400
14.800
14.200
14.800
14.200
13.800
12.600
14.800
13.600
14.800
13.600
14.400
9.800
MEDI,
DISS ORTI
0.012
0.034
0.007
0.008
0.017
0.007
0.006
0.009
0.008
0.005
0.005
0.019
0.006
0.008
0.041
0.004
-------
APPENDIX B
CONVERSIONS 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 FLOW INFORMATION FOR NORTH CAROLINA
10/21/75
LAKE CODE 3701
8A0IN LAKE
10TAL DRAINAGE AREA OF LAKE(SO MI) 4177.00
JAN FEB MAR
SUB-OKA IMAGE
TRIBUTARY AREAISQ MI)
APR
HAY
NORMALIZED FLOWS(CFS)
JUN JUL AUG
SEP
OCT
NOV
DEC
MEAN
3701A1
370JA2
3701B1
3701ZZ
4177.00
4115.00
8.90
53.10
6070.00 6640.00 7230.00 6620.00 4960.00 4060.00 3710.00 4100.00 3970.00 4000.00 3870.00 4630.00 4494.03
5990.00 6720. GU 7100.00 6530.00 4920.00 4030.00 3660.00 4070.00 3930.00 3970.00 3840.00 4580.00 4936.08
12.00 16.00 17.00 12.00 6.20 4.20 4.90 5.20 4.90 4.10 4.60 7.80 8.35
75.00 100.00 115.00 73.00 37.00 25.00 29.00 31.00 29.00 24.00 28.00 46.00 50.73
SUMMARY
TOTAL DRAINAGE AREA OF LAKE =
SUM OF SUB-DRAINAGE AREAS =>
4177.00
4177.00
TOTAL FLOW IN
TOTAL FLO* OUT
60072.89
60060.00
MEAN MONTHLY FLOWS AND DAILY FLOHS(CFS)
TRIBUTARY MONTH YEAR
3701A1
MEAN FLOW DAY
FLOW DAY
FLOW DAY
FLOW
3701A2
3
4
5
6
7
8
9
10
11
12
1
2
3
3
t
5
6
7
8
9
10
11
12
1
2
3
73
73
73
73
73
73
73
73
73
73
74
74
74
73
73
73
73
73
73
73
73
73
73
7-*
74
74
10900.00
11300.00
8400.00
6700.00
S200.00
5900.00
3070.00
3450.00
3800.00
6120.00
10100.00
8690.00
6110.00
10800.00
11000.00
8350.00
6600.00
5160.00
S840.00
3060.00
3410.00
3660.00
6240.00
10000.00
8770.00
6030.00
25
29
3
8
5
9
14
4
2
6
3
3
25
29
3
8
5
9
14
4
2
b
3
3
7940.00
28700.00
8020.00
10.00
8920.00
10.00
10.00
1520.00
10.00
8290.00 16
9220.00 14
7460.00
8070.00
28200.00
7160.00
35.00
9020.00
25.00
15.00
1540.00
2b.OO
8470.00 18
7600.00 14
7400.00
7580.00
8800.00
7470.00
8420.00
-------
TRIBUTARY FLOW INFORMATION FOR NORTH CAROLINA
10/21/75
LAKE COOE 3701
dAUIN LAKE
MEAN MONTHLY FLOWS AND DAILY FLOWS(CFS)
TRIBUTARY
3701B1
3701ZZ
MONTH YEAR
3
4
5
6
7
8
9
10
11
1?
1
2
3
3
4
5
6
7
8
9
10
11
12
1
2
3
73
73
73
73
73
73
73
73
73
73
74
74
74
73
73
73
73
73
73
73
73
73
73
7**
74
74
MEAN FLOW DAY
23.00
38.00
8.50
9.00
5.80
4.30
1.80
0.70
1.20
4.90
15*00
17.00
9.60
135. DO
180.00
50. CO
65.00
35.00
25.00
11.00
5.00
10.00
29.00
87.00
105.00
57.00
25
29
3
8
5
9
14
4
2
6
3
3
FLOW DAY
12.00
12.00
4.90
4.80
7.90
1.10
0.70
0.90
1.60
6.90 18
54.00 !•+
7.00
FLOW DAY
FLOW
4.00
8.00
-------
APPENDIX D
PHYSICAL and CHEMICAL DATA
-------
STUKE.T
J701U1
J5 2b 20.0 OoO Ob 3S.O
nAljlN LAKE
J7I67 NUKTrt CAKCJLINA
OAFt
ro
TIME
UF
DAY
7J/U3/2J 13
13
1J
1 J
13
1 J
13
13
13
1 J
13
13
73/07/H U4
09
04
U9
W
U4
J9
J4
U9
7J/J4/14 14
1-*
14
lu
'4
1^
14
14
50
50
50
SO
50
50
50
50
50
50
50
5C
45
45
45
45
^ 5
45
45
45
45
05
05
05
05
05
05
05
Ob
0000
o'JOb
00 14
u J??
uOJO
0045
006b
LI ij tjtj
0100
0125
0 1 4"5
J lfef>
0000
OCOfe
0015
0030
U050
oo7b
0100
0 125
0 Ibb
0000
&OJ5
On 15
Oii"*0
O'J 70
tioS
01 10
o!55
CLNT
1". 1
14.3
14.1
!•..']
13. ti
13.7
13.7
7.?
7.1
7.1
10. 7
17.-.
10.3
7.3
00300
UO
4.3
9.0
rt.3
7.B
••1.0
l.ti
1 .it
L .6
O.b
O.J
t.4
3.H
'j.3
j. J
00077
>tCCHl
INCHES
ll)
48
56
lltPALtS
00044
CWJUCTVY
HELD
MIC^OMriO
70
65
65
65
65
65
65
62
62
62
60
55
75
69
64
70
70
70
70
78
M3
66
6ri
67
66
70
60
50
59
72
3
00400
PH
SU
7.40
7.40
7.40
7.43
! .4J
7.2J
7.20
7.10
7.20
7.20
7.20
7.3J
9.00
6. 70
6.60
6.5u
6.50
6.50
6.40
6.4u
6.50
6. 9£p
6.00
6.5j
6.50
6.40
6.30
6.20
6.61,
6.60
00410
1 ALK
CAC03
MG/L
14
13
12
10
10
14
22
20
19
21
12
20
J\
19
20
21
20
23
21
24
28
?!
21
21
22
25
22
21
36
44
211
0170
00610
NHJ-N
TOTAL
Mfc/L
0.220
0.200
0.210
0.200
0.200
0.240
0.210
0.160
O.lbO
O.ldO
0.160
0.230
0.040
0.070
0.150
0.170
J.I 70
0.120
0.070
0.160
0.290
0.050
0.060
O.ObO
0.060
0.160
O.OBO
0.110
0.700
O.bdC
1202
FEET OEPTrl
00625
TUT KJEL
N
MG/L
0.300
0.200
0.200
0.200
0.200
0.500
0.400
0.300
0.200
0.300
0.300
0.400
o.eoo
0.600
0.500
0.400
0.500
0.400
0.400
o.soo
0.700
0.500
0.500
0.300
0.200K
0.200K
0.200*
0.200K
0.800
1.200
00630
N02&N03
N-TU1 AL
MG/L
0.520
0.4BO
0.490
0.480
0.470
0.470
0.470
O.bbO
0 . bttO
0.560
0.540
0.540
0.100
O.OBO
0.420
0.4BJ
0.490
O.b40
0.700
0.690
O.b60
0.220
0.230
0.230
0.230
0.200
0.440
0.570
0.130
0.04u
00071
OKlriO
0.026
0.026
0.025
0.02b
0.024
0.033
0.026
0.026
0.02b
O.OP6
0.038
0.030
0.005
0.007
0.013
0.011
0.012
0.021
0.015
0.015
0.014
0.007
0.007
0.011
0.009
0.007
0.009
0.010
0.007
0.010
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
ST'Jfttf
iJi.lt
OATt Tl«iL" Ot^TH
FKOM oF
ro DAY FcEf
32217
A
UG/L
73/03/23
73/07/1 1
13
13
13
13
13
13
13
13
13
13
13
13
•J4
04
04
RO
so
hO
SO
SO
50
^0
50
SO
50
SJ
SO
4b
45
4b
0000
OOOfS
wU 14
002?
0030
\j \J "-J ^>
0 0 to ^5
bOrtO
c ico
0 125
0 14b
0 Ib6
0000
0000
uOlS
u .04 /
0 . 0 4 3
i; .0^1
0.0 rt4
0 . 0 r< 7
0 . 0 4 7
'^ • U ~f J
C . 0 7 R
i- . 0 H 7
u.uwri
0 .040
C . 1 u r*
0 . 0 ?•}
0 . 0 2 tf
li .030
J'V
0030
14
14
14
14
45
05
05
OS
Ob
Cb
Ob
05
OB
1.11 0 0
0156
JOOC
OU40
0070
00*0
01 Ob
0130
0.041
l. 0 3 1
0.04?
0.04?
0.037
,> . C 1 7
0 . 0 11.
'.-.011>
0 . 0 1 n
%. .U 1 7
l. .0?4
0 .0.^4
•5.9
370101
3:> £b 20.0 OdO Ob 3b.
-------
Ji 24 57.0 OHu Ob 33.0
uflijiN LAM;
3Mo/ IMU«TH
oobs
!JA I r. TlMc Utl^lT *.Vlc. ri
F +Vuf' Of T r "'^
(U LlAf Ftr. T Ct'Jl
73/OJ/24 0^ 40 UO-JO I I'. J
u •> 4 0 0 y 0 ti 1 3 . <:
0-» 40 00 ^b 1^. V
0-J J.O OD51 I?.?
7 j/J // 1 1 11 Ou uOOO »7.'V
1 I DO Ouuo ?7.'4
1 ! >.*(! uO lb J7. 1
II C'3 OuJO ^f-.li
II DO i'fl*>b ?b.-J
'14 O 40 uOOu 2fa,^
U «0 toib ft-.t;
13 4'j 00 JJ I'd. j
1.0
/
h>
I
b
i'.'
Jb
bt
00094
CrjQUCTVr
FIE 1.0
.iltXUMnO
fab
bu
60
6'J
bO
60
feu
69
e>9
*>•?
7J
70
b5
64
64
64
fab
00400
Hn
SU
7.3j
7.40
7.4<>
/. Jj
7. jj
7.4 j
7. JO
«.DJ
7.4u
b.3>:
6.6L
6,t>0
fa. ?C
t» • bu
b.faj
fa. 40
fa , So
00410 OuotO
T ALI\ NMJ-N
CACU3 TOTAL
Mi.)/L Mb/L
11 0.1BO
U 0.170
12 0.170
12 J.lbU
12 u.l 70
10 0.1 VO
\Qr- U.ciOii
22 0.060
21 0.100
21 0.070
26 0.160
?7 O.WO
20 0.030
20 0.030
I1* 0.020
20 0.030
•^0 O.U20
00b2b
fuf ^JEL
N
MG/L
0.600
0.40J
O.tOO
0.400
0.400
0.500
0.400
O.bOO
0.700
0.500
0.500
O.SOO
0.600
0 .400
2.400
0.400
0 .400
00b30
^02e.NU3
N-fUTAL
M(J/L
O.b20
U.b3u
O.biU
O.bJO
O.b3>;
0 .bSJ
U.bbO
0.13U
0.170
v).2£u
O.^lu
0 .41o
0.2BO
0.2HO
0,270
0,2 ^0
0.260
Out) /I
PnOS-ulb
OKI HO
M(j/L H
0.027
0.02(5
0,i)2b
O.U(?b
U.021
0.022
o.oao
0.004
0 . 0 0 /
0.004
O.OOb
U.OO&
O.OOb
0.007
0.007
0.011
0.007
f j
7.1/0.)//«
J •< ^0 J 0 0'
^ **0 jj 1 •
<.0
7j/Li// II 11 f'O L'OfjU
11 00 uJO»i
11 00 UO1^
II 00 tpHO
11 i.H jj-'-.
u.t-ifj
r . C 7 7
. 1 Jl
.U"-*
j :» 7
K VALUE KNOnfN TO HE
LESS THAN INDICATED
11 40 uJI"
11-0 ' >, .k
1 ' .i"1 '.-'-j-'-
• .U I •.
..ui J
-------
STOKET HETKIEVAL DATE 75/1U/20
370103
35 26 37.1) 060 06 01.0
tsAOIN LAKE
37167 NUKFH CAROLINA
DATE
F«OM
TO
73/03/24
73/07/1 1
73/09/19
TIMF,
OF
DAY
10
10
10
10
10
10
10
lu
10
10
It
14
14
14
14
14
14
14
14
13
13
13
13
13
13
13
13
13
30
30
30
30
30
30
10
30
30
30
00
00
00
00
00
00
00
00
00
10
10
10
10
10
10
10
10
10
DEPTH
FEET
0000
0006
0014
0022
0030
0040
0055
0075
0090
0115
0000
0009
0015
0030
0045
0060
0080
0100
0117
0000
0005
0015
003b
0055
0075
OObO
OU95
01 15
00010
rfATER
TtMP
CEMT
13.1
13.0
12.9
12.8
12.9
12.7
12.3
11.8
7.5
to. 8
29.8
28.4
26.5
25.8
25.3
?3.6
16.4
10. !
u.o
26.2
25.^
25.9
25. V
25. v
2^.5
IB.b
1 1 .0
«.e>
11EPALES
00300
DO
MCi/L
9.6
9.3
9.4
9.4
9.2
8.8
8.6
U.b
7.9
H.i)
2.6
2.0
1.0
0.3
i>.2
0.2
0.1
3.2
4.6
5.2
<*.o
1.3
0.2
C..2
U.3
00077 00094
THANSH CNDUCTVY
SECCHI FIELD
INCHES MiCntOMHO
10 70
60
63
68
68
65
60
58
67
64
tO 72
63
70
70
70
70
72
80
90
52 69
68
68
69
69
&a
72
59
70
3
00400
HH
bU
7.50
7. SO
7.50
7.40
7.40
7.40
7.40
7.30
7.20
7.20
9.40
8.60
6.6u
6.50
6.40
6.40
6.40
6.50
6.60
6.80
6.40
6.50
6. SO
b.4(J
6.40
b.50
6.50
ft. 50
00410
r ALK
CAC03
MG/L
14
14
16
14
13
10
10K
10K
12
10
23
24
24
23
24
23
27
29
J5
21
20
20
20
20
21
33
27
40
2111202
0119
00610
NH3-N
TOTAL
MG/L
0.170
0.160
0.160
0.170
0.200
0.200
0.210
0.200
0.170
0.150
0.080
0.090
0.1 90
0.170
0.100
0.120
0.150
0.200
0.410
O.OBO
0.080
0.070
0.070
0.110
0.200
0.510
0.370
0.780
FEET DEPTH
00625
TOT KJEL
N
MG/L
0.400
0.400
0.400
0.400
0.400
0.500
0.500
0.500
0.300
0.300
0.500
0.300
0.200K
0.200K
0.200K
0.200K
0.200K
0.300
0.500
0.600
0.400
0.400
0.600
0.500
0.600
0.900
o.eoo
1.200
00630
NU2&N03
N-TOTAL
MG/L
0.540
O.S40
0.530
0.540
0.560
0.570
0.570
0.580
0.600
0.640
0.060
0.130
0.410
0.4bO
0.560
0.560
0.550
0.560
0.410
0.200
0.230
0.170
0.140
0.18U
0.200
0.030
0.280
0.030
00671
PHOS-UIS
URTHO
MG/L P
0.023
0.023
0.026
0.022
0.02S
0.021
0.023
0.020
0.023
0.022
0.002
0.004
0.007
0.012
0.012
0.011
0.012
0.012
0.013
0.016
0.010
0.009
U.012
O.Olti
0.010
0.011
0.012
0.007
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
rtETRIE'VAL DATE /5/lC/^O
I'd 665 32217
DATE
FROM
TO
73/03/24
73/07/11
73/04/1^
TIME
OP
UAY
10
ID
10
10
10
10
10
10
10
10
14
14
14
14
14
1<*
14
1-+
14
13
13
13
13
13
13
13
13
13
30
30
30
30
30
30
30
30
30
30
00
00
00
00
00
00
00
00
00
10
10
10
10
10
10
10
10
10
DEPTH
FEET
UOOO
0006
0014
0022
0030
0040
0055
007b
GU^O
0115
0000
0009
U01S
0030
0045
0060
0080
0100
0117
UOOO
0005
0015
u035
0055
0075
0080
U09b
0115
PHOb-TOT 'CHLRPHYL
A
MG/L ^ UO/L
0
1;
(i
\j
i'
0
0
0
0
u
0
0
0
u
0
0
0
0
V
0
J
0
u
fl
0
'J
0
'•J
.0^0 5.2
.OB-4
.OM-i
.08H
.10<+
.1 J9
.142
.lt>6
.08b
.096
.026 7.7
.0<+0 .
.G<+<+
.04h
.033
.031
.032
.042
.0^*0
.027 11. H
.021
.02h
.02d
.02H
.021
.026
.027
.OJO
370103
35 26 27.0 080 Ob 01. 0
37167 NOHTH CAKOLINA
11EPW.ES
3
0119 FEET DEPTH
-------
STOfiET RETRIEVAL OATE 75/10/20
370104
35 27 58.0 080 07 28.0
bADIN LAKE
37 NORTH CAROLINA
DATE
FROM
TO
73/03/24
73/07/11
73/09/1Q
TIME
OK
OAV
13
13
13
13
13
13
13
15
15
15
15
15
15
12
12
12
12
12
15
15
IS
15
IS
15
15
00
00
00
00
00
00
so
50
50
50
50
DEHTH
FEET
0000
0006
0012
0020
0030
0045
0056
0000
0036
0015
0030
3045
0061
0000
0005
0015
0035
0060
OUOlu
WATER
TtMP
CENT
13.6
12.7
12.6
12. to
12.5
12.4
U.9
29.3
27.2
26.2
2b.9
25.4
23.1
26.2
26.0
25.9
25.8
25.6
00300 00077 00094
DO TrtANSP CNDUCTVV
SECCHI FIELD
MG/L INCHES MIChfOMHO
9.3
9.2
9.2
9.0
9.0
8.8
3.8
2.2
K4
C.2
4.b
6.2
10
30
37
7l»
58
58
55
55
50K
55
70
70
70
70
70
78
72
73
74
74
75
11EHALE.S
3
00400
PH
SU
7.50
7.60
7.50
7.50
7.50
7.50
7.40
8.30
6.80
6.70
6.60
6.50
6.60
6.80
6.60
6.50
6.40
6.60
00410
T ALK
CAC03
M(i/L
11
10
10
11
11
11
10
25
25
24
23
26
29
24
24
24
24
24
2111202
0060
00610
NH3-N
TOTAL
MG/L
0.210
0.200
0.220
0.180
0.200
0.180
0.210
0.110
0.150
0.200
0.210
0.150
0.360
0.150
0.140
0.140
0.140
0.150
FEET DEPTH
00625
TOT KJEL
N
MG/L
0.800
0.500
0.400
0.500
0.500
0.600
0.500
0.500
0.400
0.300
0.400
0.400
0.700
0.700
0.500
0.500
0.500
0.600
00630
M02&M03
N-TOTAL
MG/L
0.570
0.580
0.580
0.550
0.580
0.560
0.590
0.200
0.330
0.440
0.470
0.540
0.380
0.140
0.130
0.130
0.140
0.130
00671
PHOS-OIS
OHTHO
MG/L P
0.022
0.020
0.022
0.021
0.021
0.020
0.021
0.005
0.004
0.008
0.012
0.016
0.009
0.016
0.009
0.008
0.010~
0.010
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STOKLT RETRIEVAL DATE 7^/10/20
OiJ66b
DATE TIME DEPTH PHOb-TUT
FROM OF
TL» DAY FEET MG/L »
73/U3/24 13 15 0000 0.139
13 15 OOOb 0.145
13 15 0012 0.143
13 15 0020 0.143
13 15 0030 C.150
i3 15 0045 J.l<*9
13 15 0056 C.168
i 15 00 0000 0.064
15 00 0006 0.040
15 00 0015 0.046
15 00 0030 0.053
15 00 0045 0.044
15 00 0061 0,034
'•i 12 50 0000 0.040
12 50 OOOb 0.030
12 50 0015 0.031
12 50 0035 0.02^
12 50 0060 0.043
32217
CHLRPhYL
A
JG/L
4.5
9.2
370104
35 27 58.0 080 07 2H.O
BADIN LAKt
37 NORTH CAROLINA
11EPALES
3
2111202
0060 FtET
DEPTh
-------
APPENDIX E
TRIBUTARY DATA
-------
iTOP-ET *ETKl£y/AL uATt 75/10/20
3/G1A1 LS3701A1
35 2b 00.0 08U 05 30.0
rAOKlN KJVtK
37009 15 ALBtMAKLE
0/HAD1N LAKE
bAOEN 0AM 1.5 MI Nt OF TO*N OF BAJEN
11EPALES 2111204
4 0000 FtET DEPTH
DATt
FKOM
TO
73/03/25
73/0*»/29
73/Ob/03
73/07/OH
73/08/05
73/OV/09
73/10/14
73/1 1/0**
74/01/06
74/OJ/1H
74/U2/03
7^/Oer/lt
7<*/03/03
00630 00625
TIME DEPTH NO
ti
V
0
.tJO
.<*50
.370
.530
.240
.490
.270
.260
.b40
.620
.b^o
.504
.460
MG/L
0.
0.
0.
0.
0.
1.
1.
0.
0*
1.
0.
0.
1.
640
440
<»60
320
760
150
450
SOO
900
lOu
300
400
OUO
00610 00671 00665
NH3-N PnOS-DlS PHOS-TOT
TOTAL OftTHO
MG/L
0
0
0
0
a
0
0
0
<)
0
0
0
L
.138
.066
.100
.054
.082
.100
.210
.126
.168
.140
.076
.070
.005
MG/L
0.
0.
0.
0.
0.
0*
o.
o.
0.
0.
o.
ij.
0.
p
038
029
016
Oil
014
016
021
013
026
045
032
035
030
MG/L P
0.12C
0.065
0.065
0.035
O.U40
0.030
O.OSo
0.035
0.08b
0.100
0.09;j
0.120
0.075
-------
HETKlE'VAL UAIt. 75/lSJ/t'O
3701A2 L53701A2
35 30 00.0 OttO 11 00.0
37 IB utiMTON
I/tJAOEN LAKE
FEKrtY riKDG ON ST HwYS 8 AND 49
2111204
4 - 0000 FEET DEPTH
DATE
TO
73/03/2b
73/0**/?4
73/06/03
73/07/04
73/OM/Ob
73/0^/04
73/10/14
73/1 1/U4
74/0 1/06
?*+/>; I/ 1H
74/ v2/0 3
74/02/ IH
7<*/u J/0 i
CL'hJO OOtx'S
HMF DLPTn NUi!NN03 TOT KJEL
01- i\.- TOTAL N
uAY FFE(
11
10
U9
06
08
JH
Us
Ort
0^
U4
u1*
10
03
55
1U
40
10
<>?
^s
4b
40
00
C'O
03
(10
15
Mii/L
U . 3VO
v . 2 D d
0 « 4 r* 'J
*.19a
i1 . 1 1 0
t . rJ l •+
0 ..?5J
t, .?2u
•J.S2u
I; .^6 J
v/ ."dO
u.4t>0
0.440
MG/L
0.
0.
0.
a.
a.
1.
1.
1.
0.
0.
0.
0.
0.
630
b60
660
5?0
b'lO
7DU
650
UG 0
600
bOl
soc
7(JO
Vji>
OOblO 00671 00bb5
NriJ-M PnOS-OIS PHOS-TOT
TUTftL UKThO
M(,/L
0.
0.
0.
0.
0 .
0.
0.
g .
0.
u.
0.
5.
0.
120
0^3
066
027
140
044
3^0
150
132
133
1 12
090
Urt5
M(j/L
0
0
0
0
U
0
0
0
0
0
0
(J
0
•
•
•
•
•
•
•
^
•
•
•
•
•
p
052
018
027
005K
010
006
012
0 1S>
032
030
038
040
035
MG/L P
0.12S
0.070
0.12S
O.J52
0.060
0.040
0.060
0.065
0.115
0.105
0.120
0.135
0.100
K VALUE KNOrfN TO BE
LESS THAN INDICATED
-------
STOkET KETklEVAL OATt 75/10/20
37C101 LS3701rii
35 31 00.0 080 06 00. U
dtAVE-HDAM CHEEK
37 15 DENTON
T/bAUIN LAKE
A INC, DAVIDSON CO
11EPALES
4
1156 3.5 Ntf
2111204
0000 FEET DEPTH
DATE
FROM
ru
73/03/25
73/04/29
73/06/03
73/07/08
73/Oti/OS
73/04/04
73/10/14
73/1 1/04
73/ 1 2/Qt>
74/01/01
74/0 I/ 1H
74/02/03
7*4/0i-TOTAL N
UM^
11
04
10
06
04
04
04
04
04
04
04
04
10
10
( FE£T
?0
03
00
?5
?5
?0
no
15
?0
30
15
40
?S
05
Mb/L
C
u
f,
u
0
\j
0
J
0
u
0
0
0
0
.231
. 15u
.083
.0 IH
. 0 1 0 ft
.010ft
.084
.210
.220
.460
. 1?H -
.200
.252
.040
MG/L
0.
0.
0.
0.
0.
0.
1.
0.
0.
0.
0.
1.
1.
0.
460
520
420
460
640
785
250
950
60U
500
400
?00
000
300
00610 00671 00665
NH3-N PhOS-OIS PHOS-TOr
TOTAL ORTHQ
Mr;
0
0
0
0
'J
0
0
0
0
0
0
u
0
0
/L
.024
.040
.027
.012
.012
.013
.064
.048
.032
.036
.044
.064
.100
.C25
MG/L
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0*
0.
p
010
007
OOSK
OOSK
006
008
010
005K
005K
008
016
010
005K
MG/L P
0.040
0.040
0.035
0.025
0.035
0.030
0.040
0.035
0.035
0.020
0.015
0.050
0.06U
0.017
K VALUE KNOWN TO 8E
LESS THAN INDICATED
------- |