-------
NOXONTOWN POND
STORET NO. 1007
I. CONCLUSIONS
A. Trophic Condition:
Noxontown Pond is considered eutrophic based upon
field observations and analysis of Survey data. Emergent
higher aquatic plants were observed during the field
investigation. Water clarity was low, being "greenish
to brown" and turbid. Chlorophyll a^ levels ranged from
a low of 2.9 micrograms/liter in the spring to a high
of 76.1 micrograms/liter in the summer. The lake is
characterized by high nutrient concentrations (0.160
mg/1 median total phosphorus, 0.530 mg/1 median
inorganic nitrogen) and high potential for primary
productivity as measured by algal assay control yield.
B. Rate-Limiting Nutrient:
Algal assay results show that Noxontown Pond was
phosphorus limited at the time the assay sample was
collected (04/10/73). The lake data indicate phos-
phorus limitation at the other sampling times as well.
-------
C. Nutrient Controllability:
1. Point Sources - The mean annual phosphorus load from point
sources was 19.4% of the total load reaching Noxontown Pond.
The Townsend sewage treatment plant contributed 15.1% and
the St. Andrews School in Middletown contributed 4.3%.
p
The present loading rate of 3.84 g/m /yr is above four
times that proposed by Vollenweider (in press) as "dangerous"
or eutrophic and about nine times the oligotrophic rate.
Total phosphorus reduction at the two wastewater treatment
plants cited above would not appreciably change the loading
rate.
2. Nonpoint Sources - The mean annual phosphorus load from
nonpoint sources was about 81% of the total reaching the
lake. The measured tributaries accounted for 49% of the
total phosphorus load and the ungaged drainage areas were
estimated to have contributed about 31%. Surrounding land
uses and additional point sources contributing to Noxontown
Pond must be analyzed before definitive recommendations
on controllability can be made.
-------
II. LAKE AND DRAINAGE BASIN CHARACTERISTICS
Lake and drainage basin characteristics are itemized
below. The Noxontown Pond surface area was provided by
the State of Delaware; mean depth was estimated based on
survey data; tributary flow data were provided by-the Delaware
District Office of the U.S. Geological Survey (USGS)(outlet
drainage area includes the lake surface area). Mean
hydraulic retention time was obtained by dividing the lake
volume by the mean flow of the outlet. Precipitation
values are estimated by methods as outlined in National
Eutrophication Survey (NES) Working Paper No. 175. A
table of metric/English conversions is included as
Appendix A.
A. Lake Morphometry:
1. Surface area: 0.64 km^.
2. Mean depth: 1.1 meters.
3. Maximum depth: 1.8 meters.
4. Volume: 0.704 x 106 m3.
5. Mean hydraulic retention time: 20 days.
-------
B. Tributary and Outlet (see Appendix C for flow data):
1. Tributaries -
Drainage Mean flow
Name area(km2) (m3/sec)
A(2) Unnamed Inlet 11.2 0.19
B(l) Unnamed Stream 3.5 0.06
Minor tributaries &
immediate drainage - 9.6 0.16
Totals 24.3 0.41
2. Outlet - A(l) Unnamed Outlet 24.4 0.42
C. Precipitation:
1. Year of sampling: 132.6 centimeters.
2. Mean annual: 104.5 centimeters.
-------
III. LAKE WATER QUALITY SUMMARY
Noxontown Pond 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 two stations on the lake
and from one or more depths at each station (see map, page v).
During each visit, depth-integrated samples were collected
from each station for chlorophyll a^ analysis and phytoplankton
identification and enumeration. During the first visit,
18.9-liter depth-integrated samples were composited for algal
assays. Maximum depths sampled were 1.5 meters at Station 1,
and 1.2 meters at Station 2. For a more detailed explanation
of NES methods, see NES Working Paper No. 175.
The results obtained are presented in full in Appendix D
and are summarized in III A for waters at the surface and at
the maximum depth for each site. Results of the phytoplankton
counts and chlorophyll a^ determinations are included in III B.
Results of the limiting nutrient study are presented in III C.
-------
PARAMETER
A. PHYSICAL AND CHEMICAL CHARACTERISTICS
( 4/10/73 )
MAX
S«»» = 2 DEPTH
RANGE
N> RANGE MEDIAN (METERS)
N*
( 7/20/73 )
MAX
S»»* = 2 DEPTH
RANGE
RANGE MEDIAN (METERS)
( 9/29/73 )
MAX
S**» = 2 DEPTH
RANGE
RANGE MEDIAN (METERS)
TEMPERATURE (DEG CENT)
0.-1.5 M DEPTH
MAX DEPTH**
DISSOLVED OXYGEN
0.-1.5 M DEPTH
MAX DEPTH**
4
2
(MG/L)
a
2
CONDUCTIVITY (UMHOS)
0.-1.5 M DEPTH 4
MAX DEPTH** 2
PH (STANDARD UNITS)
0.-1.5 M DEPTH 4
MAX DEPTH** 2
TOTAL ALKALINITY (MG/L)
0.-1.5 M DEPTH 4
MAX DEPTH** 2
TOTAL P (MG/L)
0.-1.5 M DEPTH 4
MAX DEPTH** 2
DISSOLVED ORTHO P (MG/L)
0.-1.5 M DEPTH 4
MAX DEPTH** 2
N02»N03 (MG/L)
0.-1.5 M DEPTH 4
MAX DEPTH** 2
AMMONIA (MG/L)
0.-1.5 M DEPTH
MAX DEPTH**
KJELDAHL N (MG/L)
0.-1.5 M DEPTH
MAX DEPTH**
4
2
4
2
12.0- 13.2
12.0- 13.0
6.8- 10.2
8.8- 10.2
115.- 120.
115.- 120.
7.0- 7.1
7.1- 7.1
15.- 22.
15.- 22.
0.160-0.266
0.179-0.265
0.021-0.027
0.021-0.022
0.900-1.900
0.900-1.900
0.090-0.300
0.090-0.300
0.800-1.000
0.800-0.900
12.6
12.5
9.5
9.5
118.
118.
7.1
7.1
21.
19.
0.222
0.222
0.021
0.021
1.500
1.400
0.185
0.195
0.900
0.850
0.0-
0.9-
0.9-
0.9-
0.0-
0.9-
0.0-
0.9-
0.0-
0.9-
0.0-
0.9-
0.0-
0.9-
0.0-
0.9-
0.0-
0.9-
0.0-
0.9-
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1
1
3
2
3
2
3
2
3
2
3
2
3
2
3
2
3
2
3
2
27.3- 27.3
27.3- 27.3
9.0- 10.5
9.0- 10.5
142.- 158.
143.- 158.
7.4- 8.5
7.4- 8.1
32.- 45.
32.- 45.
0.077-0.132
0.093-0.132
0.009-0.013
0.010-0.013
0.380-0.430
0.380-0.430
0.050-0.060
0.050-0.060
0.900-1.000
1.000-1.000
27.3
27.3
9.6
9.8
143.
151.
8.1
7.7
36.
39.
0.093
0.112
0.010
0.011
0.380
0.405
0.050
0.055
1.000
1.000
0.0- 0.0
0.0- 0.0
0.0- 1.2
0.0- 1.2
0.0- 1.2
0.0- 1.2
0.0- 1.2
0.0- 1.2
0.0- 1.2
0.0- 1.2
0.0- 1.2
0.0- 1.2
0.0- 1.2
0.0- 1.2
0.0- 1.2
0.0- 1.2
0.0- 1.2
0.0- 1.2
0.0- 1.2
0.0- 1.2
4
2
2
0
4
2
2
0
2
0
a
0
2
0
2
0
2
0
2
0
21.2- 21.7
21.2- 21.4
4.6- 6.0
•**»•-**••«
154.- 161.
161.- 161.
7.4- 7.6
51.- 56.
0.120-0.181
0.015-0.016
**•*•-•**•*
0.200-0.240
•••••-•*••*
0.160-0.330
2.000-2.100
*•**»-*•*••
21.5
21.3
5.3
*«**•
158.
161.
7.5
54.
0.150
0.015
0.220
••**•
0.245
2.050
0.0- 1.5
1.2- 1.5
0.0- 0.0
»•*•_••*••
0.0- 1.5
1.2- 1.5
0.0- 0.0
0.0- 0.0
•***.»••*
0.0- 0.0
0.0- 0.0
0.0- 0.0
••••-•••••
0.0- 0.0
0.0- 0.0
SECCHI DISC (METERS)
0.2- 0.4
0.3
0.8- 0.8
0.8
0.5- 0.5
0.5
• N = NO. OF SAMPLES
•* MAXIMUM DEPTH SAMPLED AT EACH SITE
«*« s = NO. OF SITES SAMPLED ON THIS DATE
-------
B. Biological Characteristics:
1. Phytoplankton -
Sampling
Date
04/10/73
07/20/73
09/29/73
2. Chlorophyll a, -
Sampling
Date
04/10/73
07/20/73
Dominant
Genera
1.
2.
3.
4.
5.
1.
2.
3.
4.
5.
1.
2.
3.
4.
5.
Melosira
Synedra
Flagellates
Asterionella
Cryptomonas
Other genera
Total
Melosira
Flagellates
Cryptomonas
Scenedesmus
Sphaerocystis
Other genera
Total
Melosira
Synedra
Scenedesmus
Flagellates
Blue-green filament
Other genera
Total
Algal
Units
per ml
15,419
8,037
2,
2,
523
056
1,122
1,496
30,653
2,529
2,265
1,434
792
755
3.434
11,209
3,468
2,262
2,161
1,307
603
3.872
13,673
Station
Number
1
2
1
2
Chlorophyll a_
(micrograms/liter)
32.0
2.9
35.2
76.1
09/29/73
1
2
21.2
58.2
-------
0.036
0.086
0.086
0.036
1.404
1.404
2.404
2.404
11.6
32.9
38.3
12.7
8
C. Limiting Nutrient Study:
1. Autoclaved, filtered, and nutrient spiked -
Ortho P Inorganic N Maximum yield
Spike(mg/1) Conc.(mg/l) Conc.(mg/l) (mg/l-dry wt.)
Control
0.05 P
0.05 P + 1.0 N
1.00 N
2. Discussion -
The control yield of the assay alga, Selenastrum
capricornutum, indicates that the potential primary
productivity was high at the time the assay samples
were collected. The increase in yield with the
increase of orthophosphorus indicates that Noxontown
Pond was limited by phosphorus at that time. Spikes
with nitrogen and phosphorus simultaneously resulted
in maximum yield. The nitrogen spike alone did not
produce any significant increase in the yield. The
lake mean total nitrogen to orthophosphorus ratios
for the spring, summer, and fall samplings were
71:1, 41:1, and 29:1, respectively, further
indicating phosphorus limitation.
-------
IV. NUTRIENT LOADINGS
(See Appendix E for data)
For the determination of nutrient loadings, the Delaware
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 month of March when two samples were
collected. Sampling was begun in April 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 Delaware District Office of the USGS for
the tributary sites nearest the lake.
In this report, nutrient loads for sampled tributaries
were determined by using a modification of the USGS computer
program for calculating stream loadings. Nutrient loads
indicated for tributaries are those measured minus known point
source loads, if any.
Nutrient loadings for unsampled "minor tributaries and
immediate drainage" ("II" of USGS) were estimated by using the
mean annual concentrations in Unnamed Inlet and Unnamed Stream
at Stations A(2) and B(l), and mean annual ZZ flow.
The operators of the St. Andrews School, Middletown, and
Townsend wastewater treatment plants provided monthly effluent
samples and corresponding flow data.
-------
10
A. Waste Sources:
1. Known municipal -
Name
St. Andrews School,
Middletown
Townsend STP
Population
Served*
250
505
Treatment
Activated
Sludge
Activated
Sludge
Mean Flow Receiving
(m3/d x IP6) Water
0.057 Appoquinimink
River
0.246 Unnamed Inlet
2. Known industrial - None
*Provided by the State of Delaware.
-------
n
B. Annual Total Phosphorus Loading - Average Year:
1. Inputs -
% of
Source kg P/yr total
a. Tributaries (nonpoint load) -
A(2) Unnamed Inlet 860 35.0
B(l) Unnamed Stream 350 14.2
b. Minor tributaries & immediate
drainage (nonpoint load) - 755 30.8
c. Known municipal STP's -
St. Andrews School, Middletown 105 4.3
Townsend STP 370 15.1
d. Septic tanks* - 5 0.2
e. Known industrial - None
f. Direct precipitation** - 10^ 0.4
Total 2,455 100.0
2. Outputs - A(l) Unnamed 1,355
3. Net annual P accumulation - 1,100 kg.
*Estimate based on 48 lakeside residences.
**Estimated (See NES Working Paper No. 175).
-------
12
C. Annual Total Nitrogen Loading - Average Year:
1. Inputs -
% of
Source kg N/yr total
a. Tributaries (nonpoint load) -
A(2) Unnamed Inlet 18,800 45.8
B(l) Unnamed Stream 4,320 10.5
b. Minor tributaries & immediate
drainage (nonpoint load) - 15,585 38.0
c. Known municipal STP's -
St. Andrews School, Middletown 395 1.0
Townsend STP 1,205 2.9
d. Septic tanks * - 20 0.1
e. Known industrial - None
f. Direct precipitation** - 690 1.7
Total 41,015 100.0
2. Outputs - A(l) Unnamed 22,735
3. Net annual N accumulation - 18,280 kg.
*Estimate based on 48 lakeside residences.
**Estimated (See NES Working Paper No. 175).
-------
13
D. Mean Annual Nonpoint Nutrient Export by Subdrainage Area:
Tributary kg P/km^/yr kg N/km2/yr
A(l) Unnamed Inlet 77 1,679
B(l) Unnamed Stream 100 1,234
E. Yearly Loading Rates:
In the following table, the existing phosphorus
loading rates are compared to those proposed by Vollenweider
(in press). Essentially, his "dangerous" rate is the rate
at which the receiving waters 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."
Total Yearly
Phosphorus Loading Rate
(grams/m2/year)
Estimated loading rate for Noxontown Pond 3.84
Vollenweider's "dangerous" or eutrophic rate 0.86
Vollenweider's "permissible" or oligotrophic rate 0.43
-------
14
LITERATURE REVIEWED
U.S. Environmental Protection Agency. 1975. "National Eutrophication
Survey Methods for 1973-1976." Working Paper No. 175. NERC,
Las Vegas, Nevada, and PNERL, Corvallis, Oregon.
Vollenweider, Richard A. (in press). "Input-Output Models." Schweiz.
Z. Hydro!.
-------
15
VI. APPENDICES
APPENDIX A
CONVERSION FACTORS
-------
CONVERSION FACTORS
Hectares x 2.471 = acres
Meters x 3.281 = feet
Cubic meters x 8.107 x 10~4 = acre feet
Square kilometers x 0.3861 = square miles
Cubic meters/sec x 35.315 = cubic feet/sec
Centimeters x 0.3937 = inches
Kilograms x 2.205 = pounds
Kilograms/square kilometer x 5.711 = Ibs/square mile
-------
APPENDIX B
PARAMETRIC RANKINGS OF LAKES
SAMPLED BY NES IN 1973
STATE OF DELAWARE
-------
PERCENT OF LAKES WITH HIGHER VALUES (NUMBER OF LAKES WITH HIGHER VALUES)
LAKE
CODE LAKE NAME
1002 KILLEN POND
1005 MOORES LAKE
1007 NOXONTOWN POND
1008 SILVER LAKE
1009 WILLIAMS POND
1010 TRUSSUM POND
MEDIAN
TOTAL P
40 (
0 (
60 (
20 (
80 (
100 (
2)
0)
3)
1)
4)
5)
MEDIAN
INORG N
60 (
20 <
100 (
0 (
40 (
80 (
3)
1)
5)
0)
2)
4)
500-
MEAN SEC
0 (
40 (
20 (
60 (
100 (
80 (
0)
2)
1)
3)
5)
4)
MEAN
CHLORA
0 (
20 (
40 (
80 (
60 (
100 (
0)
1)
2)
4)
3)
5)
15-
MIN
20 (
100 (
40 (
0 (
60 (
80 (
00
1)
5)
2)
0)
3)
4)
MEDIAN
DISS ORTHO
40 (
20 (
60 (
0 (
100 (
80 (
2)
5)
3)
0)
5)
4)
-------
LAKE DATA .TO BE USED IN RANKINGS
LAKE
CODE LAKE NAME
1002 KILLEN POND
1005 MOORES LAKE
1007 NOXONTOWN POND
1008 SILVER LAKE
1009 WILLIAMS POND
1010 TRUSSUM POND
MEDIAN
TOTAL P
0.170
0.245
0.160
0.227
0.042
0.038
MEDIAN
INORG N
1.610
2.400
0.530
4.750
2.010
1.280
500-
MEAN SEC
479.333
472.667
478.833
465.667
449.333
464.000
MEAN
CHLORA
116.200
81.267
37.600
26.700
30.100
5.100
15-
MIN DO
12.000
4.700
10.400
13.000
6.800
5.800
MED I
OISS ORTI
0.042
0.071
0.016
0.096
0.010
0.011
-------
APPENDIX C
TRIBUTARY FLOW DATA
-------
TRIBUTARY FLOW INFORMATION FOR DELAWARE
10/20/75
LAKE CODE 1007
NOXONTOWN POND
9.41
MAR
TOTAL DRAINAGE AREA OF LAKE(SO MI)
SUB-DRAINAGE
TRIBUTARY AREA(S3 MI) JAN FEB
1007A1
1007A2
1007B1
100722
TOTAL DRAINAGE AREA OF LAKE
SUM OF SUB-DRAINAGE AREAS
MEAN MONTHLY FLOWS AND DAILY FLOWS(CFS)
NORMALIZED FLOWS(CFS)
APR MAY JUN JUL AUG
SEP
OCT
NOV
DEC
MEAN
9.41
4.34
1.36
3.71
17.70
8.20
2.60
6.90
18.70
8.70
2.70
7.30
20.40
9.50
3.00
7.90
16.00
7.40
2.30
6.30
12.80
5.90
1.90
5.00
13.30
6.20
1.90
5.20
11.60
5.40
1.70
4.50
14.50
6.70
2.10
5.70
12.70
5.90
1.90
4.90
10.10
4.70
1.50
3.90
13.40
6.20
2.00
5.20
15.30
7.10
2.20
6.00
14.68
6.81
2.15
5.72
TRIBUTARY MONTH YEAR
1007A1
MEAN FLOW DAY
1007A2
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
73
73
73
73
73
73
73
73
73
74
74
74
73
73
73
73
73
73
73
73
73
74
74
74
32.20
21.90
48.00
24.80
25.30
13.00
20.00
13.00
32.00
21.00
15.00
24.00
14.90
10.10
22.20
11.50
11.70
5.80
9.20
6.20
15.00
9.90
7.10
11.00
28
20
25
23
20
16
2ft
16
4
8
5
11
28
20
25
23
20
17
28
16
4
8
5
11
9.41
9.41
FLOW DAY
32.00
21.00
16.00
15.00
13.00
11.00
11.00
13.00
13.00
15.00
12.00
13.00
15.00
9.80
7.30
7.00
5.80
5.10
5.00
5.80
5.80
7.20
5.50
6.00
22
22
22
22
SUMMARY
TOTAL FLOW IN * 176.50
TOTAL FLOW OUT * 176.50
FLOW DAY
FLOW
15.00
49.00
6.80
23.00
-------
TRIBUTARY FLOW INFORMATION FOR DELAWARE
10/20/75
LAKE CODE 1007
NOAONTOWN POND
MEAN MONTHLY FLOWS AND DAILY FLOWS(CFS)
TRIBUTARY
1007B1
1007ZZ
MONTH YEAR
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
73
73
73
73
73
73
73
73
73
74
74
74
73
73
73
73
73
73
73
73
73
74
74
74
MEAN FLOW DAY
4.70
3.20
7.00
3.60
3.70
1.80
2.90
1.90
4.70
3.10
2.20
3.50
12.70
8.60
18.90
9.80
10.00
4.90
7.80
5.20
13.00
8.40
6.00
9.40
28
20
25
23
20
17
28
16
4
8
5
11
28
20
25
23
20
17
28
16
4
8
5
11
FLOW DAY
FLOW DAY
FLOW
4.70
3.10
2.30
2.20
1.80
1.60
1.60
1.80
1.80
2.30
1.70
1.90
13.00
8.30
6.20
5.90
4.90
4.40
4.30
4.90
4.90
6.10
3.90
5.10
22
22
22
22
2.20
7.20
5.80
19.00
-------
APPENDIX D
PHYSICAL AND CHEMICAL DATA
-------
STORET RETRIEVAL DATE 75/10/16
100701
39 26 05.0 075 41 05.0
NOXONTOWN POND
10 DELAWARE
00010
DATE TIME DEPTH WATER
FROM OF TEMP
TO DAY FEET CENT
73/04/10 09 30 0000 13.2
09 30 0004 13.0
73/07/20 11 40 0000
11 40 0004
73/09/29 09 45 0000 21.6
09 45 0005 21.4
00300 00077 00094
DO TRANSP CNDUCTVY
SECCHI FIELD
M6/L INCHES MICROMHO
10.2
9.6
9.0
6.0
14
32
20
120
120
142
143
154
161
11EPALES
3
00400
PH
SU
7.00
7.10
8.50
7.40
7.40
00410
T ALK
CAC03
MG/L
21
15
36
32
56
2111202
0006
00610
NH3-N
TOTAL
MG/L
0.090
0.090
0.050
0.060
0.330
FEET DEPTH
00625
TOT KJEL
N
MG/L
1.000
0.900
0.900
1.000
2.000
00630
N02&N03
N-TOTAL
HG/L
1.300
0.900
0.380
0.380
0.200
00671
PHOS-DIS
ORTHO
MG/L P
0.021
0.021
0.009
0.013
0.015
00665 32217
DATE TIME DEPTH PHOS-TOT CHLRPHYL
FROM OF A
TO DAY FEET MG/L P UG/L
73/04/10 09 30 0000 0.160 32.0
09 30 0004 0.179
73/07/20 11 40 0000 0.077 35.2
11 40 0004 0.132
73/09/29 09 45 0000 0.120 21.2
-------
STORE! RETRIEVAL DATE 75/10/16
100703
39 25 07.0 075 41
NOXONTOMN POND
10 DELAWARE
18.0
00010
DATE TIME DEPTH WATER
FROM OF TEMP
TO DAY FEET CENT
73/04/10 10 00 0000 12.2
10 00 0003 12.0
73/07/20 11 55 0000 27.3
73/09/29 10 00 0000 21.7
10 00 0004 21.2
00300 00077 00094
DO TRANSP CNDUCTVY
SECCHI FIELD
MG/L INCHES MICROMHO
8.8
10.5
4.6
32
20
115
115
158
154
161
11EPALES
3
00400
PH
SU
7.10
7.10
8.10
7.60
00410
T ALK
CAC03
MG/L
21
22
45
51
2111202
0003 FEET DEPTH
00610
NH3-N
TOTAL
MG/L
0.280
0.300
O.OSO
0.160
00625
TOT KJEL
N
MG/L
0.900
0.800
1.000
2.100
00630
NO24N03
N-TOTAL
MG/L
1.700-
1.900
0.430
0.240
00671
PHOS-DIS
ORTHO
MG/L P
0.027
0.022
0.010
0.016
00665 32217
DATE TIME DEPTH PHOS-TOT CHLRPHYL
FROM OF A
TO DAY FEET MG/L P UG/L
73/04/10 10 00 0000 0.266 2.9
10 00 0003 0.265
73/07/20 11 55 0000 0.093 76.1
73/09/29 10 00 0000 0.181 58.2
-------
APPENDIX E
TRIBUTARY AND WASTEWATER
TREATMENT PLANT DATA
-------
STORE! RETRIEVAL DATE 75/10/16
1007A1
39 26 30.0 075 41 00.0
NOXONTOWN POND OUTLET (NO NAME)
10 7.5 MIODLETOWN
0/NOXONTOWN PONO
BROG XING 0AM 3.5 MI SW OF ODESSA
11EPALES 2111204
4 0000 FEET DEPTH
DATE
FROM
TO
73/04/28
73/05/20
73/06/25
73/07/23
73/08/20
73/09/16
73/10/28
73/11/16
73/12/04
74/01/08
74/02/05
74/03/11
74/03/22
TIME DEPTH
OF
DAY FEET
09 25
13 25
13 00
09 45
09 40
16 00
13 50
15 00
09 35
14 00
14 55
09 45
10 40
00630
N02&N03
N-TOTAL
MG/L
1.220
1.050
0.231
0.252
0.076
0.154
0.440
0.430
1.180
1.400
1.400
1.120
00625
TOT KJEL
N
MG/L
1.380
1.100
1.380
1.150
1.200
1.470
0.950
0.700
0.900
1.100
0.800
0.900
1.000
00610
NH3-N
TOTAL
MG/L
0.037
0.021
0.038
0.058
0.050
0.147
0.032
0.031
0.028
0.240
0.115
0.040
0.012
00671
PHOS-DIS
ORTHO
MG/L P
0.013
0.017
0.021
0.016
0.024
0.018
0.011
0.012
0.012
0.012
0.030
0.010
0.007
00665
PHOS-TOT
MG/L P
0.095
0.085
0.080
0.080
0.110
0.125
0.095
0.115
0.120
0.095
0.085
0.080
0.080
-------
APPENDIX E
TRIBUTARY AND WASTEWATER
TREATMENT PLANT DATA
-------
STORET RETRIEVAL DATE 75/10/16
1007A1
39 26 30.0 075 41 00.0
NOXONTOWN POND OUTLET (NO NAME)
10 7.5 MIDDLETOWN
0/NOXONTOWN POND
BROG XING 0AM 3.5 MI SW OF ODESSA
11EPALES 2111204
4 0000 FEET DEPTH
DATE
FROM
TO
73/04/28
73/05/20
73/06/25
73/07/23
73/08/20
73/09/16
73/10/28
73/11/16
73/12/04
74/01/08
74/02/05
74/03/11
74/03/22
TIME DEPTH
OF
DAY FEET
09 25
13 25
13 00
09 45
09 40
16 00
13 50
15 00
09 35
14 00
14 55
09 45
10 40
00630
N02&N03
N-TOTAL
MG/L
1.220
1.050
0.231
0.252
0.076
0.154
0.440
0.430
1.180
1.400
1.400
1.120
00625
TOT KJEL
N
MG/L
1.380
1.100
1.380
1.150
1.200
1.470
0.950
0.700
0.900
1.100
0.800
0.900
1.000
00610
NH3-N
TOTAL
MG/L
0.037
0.021
0.038
0.058
0.050
0.147
0.032
0.031
0.028
0.240
0.115
0.040
0.012
00671
PHOS-DIS
ORTHO
MG/L P
0.013
0.017
0.021
0.016
0.024
0.018
0.011
0.012
0.012
0.012
0.030
0.010
0.007
00665
PHOS-TOT
MG/L P
0.095
0.085
0.080
0.080
0.110
0.125
0.095
0.115
0.120
0.095
0.085
0.080
0.080
-------
STORE! RETRIEVAL DATE 75/10/16
1007A2
39 24 30.0 075 42 00.0
NOXONTOWN PONO INLET (NO NAME)
10 7.5 MIDDLETOWN
I/NOXONTOWN PONO
ST HWY 71 BROG 3 MI S OF MIDDLETOWN
11EPALES 2111204
4 0000 FEET DEPTH
DATE
FROM
TO
73/04/28
73/05/20
73/06/25
73/07/23
73/08/20
73/09/17
73/10/28
73/11/16
73/12/04
74/01/08
74/02/05
74/03/11
74/03/22
TIME DEPTH
OF
DAY FEET
09 50
13 00
12 45
09 25
10 15
09 50
13 40
14 50
09 25
13 40
14 30
09 25
10 10
00630
N02&N03
N-TOTAL
MG/L
2.500
2.400
2.100
2.400
1.200
1.820
2.200
2.080
2.940
3.300
2.800
2.600
00625
TOT KJEL
N
MG/L
1.470
1.200
1.540
0.560
1.000
1.260
1.050
0.500
0.500
0.600
0.500
0.700
0.600
00610
NH3-N
TOTAL
MG/L
0.126
0.210
0.240
0.270
0.280
0.350
0.500
0.168
0.176
0.212
0.105
0.115
0.050
00671
PHOS-DIS
ORTHO
MG/L P
0.023
0.024
0.067
0.014
0.033
0.032
0.092
0.180
0.080
0.154
0.070
0.025
0.015
00665
PHOS-TOT
MG/L P
0.180
0.080
0.120
0.035
0.095
0.100
0.140
0.290
0.155
0.250
0.110
0.070
0.080
-------
STORE! RETRIEVAL DATE 75/10/16
1007B1
39 25 00.0 079 40 30.0
UNNAMED STREAM
10 7.5 MIDDLETOWN
T/NOXONTOWN POND
BRDG ON MONEY ROAD
11EPALES 2111204
4 0000 FEET
DEPTH
DATE
FROM
TO
73/04/28
73/05/20
73/06/25
73/07/23
73/08/20
73/09/17
73/10/28
73/11/16
73/12/04
74/01/08
74/02/05
74/03/11
74/03/22
TIME DEPTH
OF
DAY FEET
09 10
13 11
12 50
09 35
10 25
10 05
13 50
14 45
09 30
13 50
14 50
09 35
10 20
00630
N02&N03
N-TOTAL
MG/L
0.510
0.895
2.100
1.300
0.910
0.580
0.220
0.276
1.400
2.300
1.760
0.710
00625
TOT KJEL
N
MG/L
0.960
.500
.500
.200
.100
.690
2.800
.830
.600
0.500
0.300
0.650
0.800
00610
NH3-N
TOTAL
MG/L
0.061
0.110
0.180
0.190
0.310
0.360
0.425
0.168
0.387
0.064
0.050
0.055
0.050
00671
PHOS-DIS
ORTHO
MG/L P
0.036
0.018
0.023
0.014
0.031
0.017
0.013
0.016
0.008
0.024
0.020
0.010
0.025
00665
PHOS-TOT
MG/L P
0.110
0.160
0.055
0.095
0.200
0.045
0.400
0.575
0.300
0.055
0.045
0.025
0.135
-------
STORET RETRIEVAL DATE 75/10/16
1007AA AS1007AA P000250
39 25 57.0 075 41 15.0
ST ANDREWS SCHOOL/MIDOLETOWN
10 7.5 MIDDLETON
T/NOXONTOWN POND
APPOOUINIMINK RIVER
11EPALES 2141204
4 0000 FEET DEPTH
DATE
FROM
TO
73/07/30
73/09/15
73/10/17
73/11/19
73/12/17
74/01/18
74/02/19
74/03/20
74/04/26
74/05/27
74/06/27
74/07/29
74/08/29
00630 00625
TIME DEPTH N02&N03 TOT KJEL
OF N-TOTAL N
DAY FEET
14
11
08
08
14
11
09
11
09
08
09
09
08
00
00
30
45
00
00
00
45
30
35
00
00
45
MG/L
1.150
0.740
1.740
0.010K
0.080
0.320
0.080
5.300
0.080
2.320
26.000
56.000
0.720
MG/L
2.500
18.900
2.700
23.000
25.000
19.000
8.600
22.000
5.800
5.600
3.200
9.600
00610 00671 00665
NH3-N PHOS-DIS PHOS-TOT
TOTAL ORTHO
MG/L
0.350
5.900
0.005K
8.600
3.400
10.100
9.SOO
0.190
12.500
0.170
0.190
0.250
0.050
MG/L P
7.300
4.220
5.000
1.470
1.780
3.500
2.800
1.750
3*500
7.200
16.500
13.500
0.180
50051 50053
FLOW CONDUIT
RATE FLOW-MOD
MG/L P INST MGD MONTHLY
7.350
4.600
5.400
2.300
4.300
3.250
2.100
4.050
7.400
19.500
13.500
9.100
0.002
0.024
0.022
0.020
0.015
0.022
0.029
0.015
0.021
0.013
0.006
0.007
0.008
0.006
0.013
0.019
0.020
0.018
0.015
0.023
0.019
0.017
0.022
0.011
0.008
0.008
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORET RETRIEVAL DATE 75/10/16
1007AB AS1007AB P000505
39 24 26.0 075 41 53.0
TOHNSEND S.T.P.
10 7.5 HIDOLETOWN
T/NOXONTOWN POND
UNNAMED STREAM
HEP ALES 2141204
4 0000 FEET DEPTH
00630 00625 00610 00671 00665 50051 50053
DATE TIME DEPTH N02&N03 TOT KJEL NH3-N PHOS-DIS PHOS-TOT FLOW CONDUIT
FROM OF
TO DAY
73/09/03 11 00 P
CP(T)-
73/09/03 16 00
73/10/01 11 00 P
CP(T)-
73/10/01 16 00
73/11/01 11 00 P
CP(T)-
73/11/01 16 00
73/12/05 09 10
74/01/02 11 00 P
CP(T)-
74/01/02 16 00
74/02/05 10 45 P
CP-
74/05/05 16 30
74/06/04 11 IS P
CP(T)-
74/06/04 15 55
74/08/05 10 30 P
CP-
74/08/05 16 15
74/10/09 11 00 P
CPCT)-
74/10/09 16 00
74/11/06 11 05 P
CP(T)-
74/11/06 15 45
EET
P
P
P
P
P
P
P
P
P
P
P
P
N-TOTAL
MG/L
0.260
1.300
0.340
3.360
6.720
0.160
3.000
0.160
0.240
0.320
7.200
0.320
N
MG/L
24.700
22.000
13.500
21.000
3.900 .
3.700
13.000
2.900
15.000
14.000
9.100
3.300
22.000
TOTAL
MG/L
12.000
3.800
9.500
0.160
0.730
4.500
0.510
4.600
3.700
4.100
0.120
8.300
ORTHO
MG/L P
6.000
3.900
6.100
6.100
3.500
3.900
5.100
0.730
1.600
1.850
3.150
3.700
6.100
RATE FLOW-MOD
HG/L P INST MOD MONTHLY
4.400
6.400
6.900
3.900
4.300
5.700
0.950
2.200
2.500
3.600
4.200
7.800
O.OS4
0.064
0.065
0.065
0.065
0.065
0.065
0.065
0.065
0.065
0.065
\
0.045
0.083
0.064
0.065
0.065
0.065
0.065
0.065
0.065
0.068
0.065
0.065
0.045
-------