U.S. ENVIRONMENTAL PROTECTION AGENCY
NATIONAL EUTROPHICATION SURVEY
WORKING PAPER SERIES
REPORT
ON
LAIC ASHTABULA
BARNES AND GRIGGS COIWTIES
NORTH DAKOTA
EPA REGION VIII
WORKING PAPER No, 565
CORVALLIS ENVIRONMENTAL RESEARCH LABORATORY - CORVALLIS, OREGON
and
ENVIRONMENTAL MONITORING & SUPPORT LABORATORY - LAS VEGAS, NEVADA
-------
REPORT
ON
LAKE ASHTABULA
BARES AND GRIGGS COUNTIES
NORTH DAKOTA
EPA REGION VI11
WORKING PAPER No, 565
WITH THE COOPERATION OF THE
NORTH DAKOTA STATE DEPARTMENT OF HEALTH
AND THE
NORTH DAKOTA NATIONAL GUARD
SEPTEMBER, 1976
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CONTENTS
Page
Foreword i i
List of North Dakota Study Lakes and Reservoirs iv
Lake and Drainage Area Map v
Sections
I. Conclusions 1
[I. Lake and Drainage Basin Characteristics 4
III. Lake Water Quality Summary 5
IV. Nutrient Loadings 9
V. Literature Reviewed ^
VI. Appendices 15
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F_0 Rl W 0 R D
The National Eutrophication Survey was initiated in 1972 in
response to an Administration commitment to investigate the nation-
wide threat of accelerated eutrophication to freshwater lakes and
reservoirs.
OBJECTIVES
The Survey was designed to develop, in conjunction with state
environmental agencies, information on nutrient sources, concentrations,
and impact on selected freshwater lakes as a basis for formulating
comprehensive and coordinated national, regional, and state management
practices relating to point-source discharge reduction and non-point
source pollution abatement in lake watersheds.
ANALYTIC APPROACH
The mathematical and statistical procedures selected for the
Survey's eutrophication analysis are based on related concepts that:
a. A generalized representation or model relating
sources, concentrations, and impacts can be constructed.
b. By applying measurements of relevant parameters
associated with lake degradation, the generalized model
can be transformed into an operational representation of
a lake, its drainage basin, and related nutrients.
c. With such a transformation, an assessment of the
potential for eutrophication control can be made.
LAKE ANALYSIS
In this report, the first stage of evaluation of lake and water-
shed data collected from the study lake and its drainage basin is
documented. The report is formatted to provide state environmental
agencies with specific information for basin planning [§303(e)J, water
quality criteria/standards review [§303(c)], clean lakes [§314(a,b)],
and water quality monitoring [§106 and §305(b)] activities mandated
by the Federal Water Pollution Control Act Amendments of 1972.
-------
111
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
freshwater 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 North Dakota State Depart-
ment of Health for professional involvement, to the North Dakota
National Guard for conducting the tributary sampling phase of the
Survey, and to those North Dakota wastewater treatment plant oper-
ators who voluntarily provided effluent samples and flow data.
Norman L. Peterson, Director, and the staff of the Division
of Water Supply and Pollution Control of the Department of Health,
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 LaClair A. Melhouse, the Adjutant General of
North Dakota, and Project Officer Colonel Irvin M. Sande, who
directed the volunteer efforts of the North Dakota National
Guardsmen, are also gratefully acknowledged for their assistance
to the Survey.
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IV
NATIONAL EUTROPHICATION SURVEY
STUDY LAKES AND RESERVOIRS
STATE OF NORTH DAKOTA
NAME COUNTY
Ashtabula Barnes, Griggs
Audubon McLean
Brush McLean
Darling Renville, Ward
Devils Benson, Ramsey
Jamestown Stutsman
LaMoure LaMoure
Matejcek Walsh
Metigoshe Bottineau
Pelican Bottineau
Sakakawea Dunn, McKenzie,
McLean, Mercer,
Mountrail, Wil-
liams
Spiritwood Stutsman
Sweet Briar Morton
Whitman Nelson, Walsh
-------
V
N. Dak.
Hip Location
LAKE ASHTABULA
® Tributary Sampling Site
X Lake Sampling Site
Sewage Treatment Facility
20 Km.
Scale
10 Mi.
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LAKE ASHTABULA
STORE! NO. 3801
I. CONCLUSIONS
A. Trophic Condition:
Survey data indicate Lake Ashtabula is eutrophic. It ranked
ninth in overall trophic quality when the 14 North Dakota lakes
sampled in 1974 were compared using a combination of six water
quality parameters*. Nine lakes had less and one had the same
median total phosphorus, eight had less median dissolved ortho-
phosphorus, six had less median inorganic nitrogen, 12 had less
mean chlorophyll a^ and 11 had greater mean Secchi disc trans-
parency.
Survey limnologists noted heavy algal blooms and extensive
beds of submerged macrophytes during sampling visits. This lake
has a history of excessive aquatic vegetation and algal blooms,
periodic depletion of dissolved oxygen, and fish kills (Peterson,
1975).
B. Rate-Limiting Nutrient:
The algal assay results indicate that Lake Ashtabula was
limited by nitrogen at the times samples were collected (04/30/74
and 09/17/74). The lake data indicate nitrogen limitation at all
sampling times.
See Appendix A.
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2
C. Nutrient Controllability:
1. Point sources—Listed point sources contributed 6.3% of
the total phosphorus input to Lake Ashtabula during the sampling
year. The wastewater treatment plants at Cooperstown and Hanna-
ford contributed an estimated 5.3% and 0.9% of the total, respec-
tively. Septic tanks serving lakeshore residences, parks, and
campsites were estimated to have contributed 0.1%. In addition,
there are a number of small wastewater treatment facilities of
unknown significance which discharge in this drainage basin
beyond the 40-kilometer limit of the Survey* (see map, page v).
The present phosphorus loading of 1.46 g/m2/year is over three
times that proposed by Vollenweider (Vollenweider and Dillon, 1974)
as a eutrophic loading (see page 13). Minimization of both point
and non-point sources of phosphorus probably would be necessary
to improve the trophic condition of the lake.
2. Non-point sources--Non-point sources contributed 93.7%
of the total phosphorus load during the sampling year. The
Sheyenne River contributed 81.1%, Baldhill Creek contributed 7.4%,
and the ungaged minor tributaries and immediate drainage contributed
an estimated 4.1%.
Land use in the Lake Ashtabula drainage is predominantly
agricultural (Peterson, 1974), and reduction of phosphorus resulting
* See Working Paper No. 175, "...Survey Methods, 1973-1976".
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3
from such use may be difficult. Additional investigation is
needed to determine the contribution and controllability of
phosphorus resulting from land-use practices in the drainage
basin.
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II. LAKE AND DRAINAGE BASIN CHARACTERISTICS'1"
A. Lake Morphemetry :
1. Surface area: 21.98 kilometers2.
2. Mean depth: 4.0 meters.
3. Maximum depth: 13.7 meters.
4. Volume: 87.920 x 106 m3.
5. Mean hydraulic retention time: 304 days (based on outflow),
B. Tributary and Outlet:
(See Appendix C for flow data)
1. Tributaries -
Drainage Mean flow
Name area (km2)* (m3/sec)*
Sheyenne River 3,289.3 2.900
Baldhill Creek 986.8 0.407
Minor tributaries &
immediate drainage - 648.8 0.430
Totals 4,924.9 3.737
2. Outlet -
Sheyenne River 4,946.9** 3.350
C. Precipitation***:
1. Year of sampling: 54.7 centimeters.
2. Mean annual: 49.6 centimeters.
t Table of metric conversions—Appendix B.
ft Henegar, 1975.
* For limits of accuracy, see Working Paper No. 175.
** Includes area of lake.
*** See Working Paper No. 175.
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5
III. LAKE WATER QUALITY SUMMARY
Lake Ashtabula was sampled three times during the open-water season
of 1974 by means of a pontoon-equipped Huey helicopter. Each time,
samples for physical and chemical parameters were collected from four
stations on the lake; station 4 was sampled only in April, and station
5 was sampled in July and September (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 identifica-
tion and enumeration; and during the April and September visits, 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 8.2 meters at station 1, 5.2 meters at station 2, 5.5
i
meters at station 3, near-surface only at station 4, and 6.1 meters
at station 5.
The sampling results are presented in full in Appendix D and are
summarized in the following table.
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PARAMETER
TEMP
DISS OXY (MG/L)
CNDCTVY (MCROMO)
PH (STAND UNITS)
TOT ALK (MG/D
TOT P (MG/LI
ORTHO P
N02*N03 (MG/L>
AMMONIA IMG/L>
KJEL N (MG/L)
INORG N (MG/L)
TOTAL N (MG/L)
CHLRPYL A (Ud/D
SECCHI (METERS)
A. SUMMARY OF PHYSICAL AND
1ST SAMPLING ( 4/30/74)
4 SITES
RANGE
5.9 - 12.3
8.4 - 10.2
265. - 44?.
7.6 - 8.1
104. - 163.
0.236 - 0.261
0.117 - 0.170
0.220 - 1.020
0.060 - 0.410
1.200 - 1.900
0.320 - 1.430
1.610 - 2.920
5.4 - 52.5
0.3 - 0.4
MEAN
9.S
9.2
318.
7.8
134.
0.245
0.140
MEDIAN
11.6
8.d
308.
7.7
138.
0.244
0.142
0.639 0.610
0.200 0.095
1.480 1.450
0.839 0.695
2.119 2.110
29.4 29.8
0.4 0.4
CHEMICAL CHARACTERISTICS FOR LAKE ASHTABULA
STORE! CODE 3801
2ND SAMPLING ( 7/17/74)
4 bITEb
RANOE
23.4 - 24.7
4.4 - 9.4
696. - 867.
8.4 - 8.7
244. - 328.
0.283 - 0.477
0.273 - 0.317
0.040 - 0.100
0.040 - 0.190
0.900 - 1.600
0.110 - 0.290
0.970 - 1.670
16.1 - 60.9
0.9 - 1.2
3RD SAMPLING < 9/17/74)
<• SITEb
MEAN
24.2
6.2
743.
8.5
270.
0.339
0.286
0.066
0.117
1.250
0.184
1.316
39.7
1.0
MEDIAN
24.2
5.8
713.
8.5
259.
0.318
0.279
0.065
0.110
1.200
0.165
1.265
40.9
0.9
RANGE
14.0
8.8
541.
8.8
310.
0.196
0.058
0.020
0.030
1.000
0.050
1.020
17.1
0.5
- 15.3
- 11.4
- 633.
9.0
- 515.
- 0.28b
- 0.220
- U.030
- 0.060
- 3.500
- 0.090
- 3.520
- 7S.3
1.2
MEAN
14.6
10.2
579.
8.9
438.
0.228
0.122
0.021
0.042
1.818
0.063
1.839
53.6
0.7
MEDIAN
14. b
10.0
567.
8.9
440.
0.216
0.112
0.020
0.040
1.700
0.060
1.720
59. S
0.6
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B. Biological characteristics:
1. Phytoplankton -
Sampling
Date
04/30/74
07/17/74
09/17/74
2. Chlorophyll
Sampling
Date
04/30/74
07/17/74
09/17/74
Dominant
Genera
1. Cyclotella sp.
2. Chroomonas sp.
3. Cryptomonas sp_.
4. Ankistrodesmus s£.
5. Chlamydomonas sp.
Other genera
Total
1. Melosira sp_.
2. Apham'zomenon sp.
3. Fragilaria SJD.
4. Glenodim'um sp.
5. Chroomonas sp_.
Other genera
Total
1. Aphanizomenon s£.
2. Melosira sp.
3. Anabaena sp.
4. Fragilaria sp.
5. Flagellates
Other genera
Total
Station
Number
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
Algal Units
per ml
24,617
222
148
111
74
221
25,393
3,949
9,136
4,637
446
412
343
584
15,558
Chlorophyll
(ug/1)
5.4
21.5
52.5
38.1
16.1
52.6
60.9
29.2
17.1
61.4
78.3
57.6
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8
C. Limiting Nutrient Study:
1. Autoclaved, filtered, and nutrient spiked -
a. April sample (stations 1, 2, 3, & 4) -
Ortho P
Cone, (mg/1)
Spike (mg/1)
Control
0.050 P
0.050 P + 1.0 N
1.0 N
b. September sample (stations 1, 2, 3, & 5) -
Inorganic N Maximum yield
Cone, (mg/1) (mg/1-dry wt.)
0.135
0.185
0.185
0.135
0.702
0.702
1.702
1.702
19.6
17.7
41.7
38.0
Spike (mg/1)
Control
0.050 P
0.050 P + 1.0 N
1.0 N
Ortho P
Cone, (mg/1)
0.140
0.190
0.190
0.140
Inorganic N
Cone, (mg/1)
0.372
0.372
1.372
1.372
Maximum yield
(mg/1-dry wt.)
12.9
13.9
39.4
37.4
2. Discussion -
The control yields of the assay alga, Selenastrum capri-
cornutum. indicate that the potential primary productivity
of Lake Ashtabula was very high at the times the samples
were collected.
A significant increase in yield occurred when only
nitrogen was added but not when phosphorus only was added.
These results indicate nitrogen limitation.
The lake data indicate nitrogen limitation all three
sampling times (the mean inorganic nitrogen to orthophosphorus
ratios were 6 to 1 or less, and nitrogen limitation would be
expected).
-------
IV. NUTRIENT LOADINGS
(See Appendix E for data)
For the determination of nutrient loadings, the North Dakota
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 April and May when two samples were
collected. Sampling was begun in September, 1974, and was completed
in August, 1975.
Through an interagency agreement, stream flow estimates for the
year of sampling and a "normalized" or average year were provided by
the North Dakota District Office of the U.S. Geological Survey for the
tributary sites nearest the lake.
In this report, nutrient loads for sampled tributaries were
determined by using a modification of a U.S. Geological Survey computer
program for calculating stream loadings*. Nutrient loads shown are
those measured minus point-source loads, if any.
Nutrient loads for unsampled "minor tributaries and immediate
drainage" ("ZZ" of U.S.G.S.) were estimated using the nutrient loads
at station C-l, in kg/kmVyear, and multiplying by the ZZ area in km2.
The operator of the Cooperstown treatment plant provided monthly
effluent samples. However, corresponding flow data were not available;
nutrient loads from this source, as well as those from the Hannaford
facility, were estimated at 1.134 kg P and 3.401 kg N/capita/year, and
flows were estimated at 0.3785 m3/day.
* See Working Paper No. 175.
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10
A. Waste Sources:
1. Known municipal -
Pop. Mean Flow Receiving
Name Served Treatment (m3/d) Water
Cooperstown 1,485 stab, pond 562.1 Dry Run/Sheyenne
River
Hannaford* 255 stab, pond 96.5 Baldhill Creek
In addition, a number of other small wastewater treatment
facilities in the Lake Ashtabula drainage basin serve a combined
population of 1,568 (see map, page v). These sources are not
listed on the following pages because they are well beyond the
40-kilometer limit of the Survey**.
2. Known industrial - None
t Treatment plant questionnaire.
* Anonymous, 1971.
** See Working Paper No. 175.
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11
B. Annual Total Phosphorus Loading - Average Year:
1. Inputs -
kg P/ % of
Source y_r. total
a. Tributaries (non-point load) -
Sheyenne River 25,980 81.1
Baldhill Creek 2,360 7.4
b. Minor tributaries & imnediate
drainage (non-point load) - 1,300 4.1
c. Known municipal STP's -
Cooperstown 1,685 5.3
Hannaford 290 0.9
d. Septic tanks* - 35 0.1
e. Known industrial - None
f. Direct precipitation** - 385 1.1
Total 32,035 100.0
2. Outputs -
Lake outlet - Sheyenne River 25,825
3. Net annual P accumulation - 6,210 kg.
* Estimate based on 6 parks, 2 campgrounds, and 67 dwellings; see Working
Paper No. 175.
** See Working Paper No. 175.
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12
C. Annual Total Nitrogen Loading - Average Year:
1. Inputs -
kg N/ % of
Source y_r total
a. Tributaries (non-point load) -
Sheyenne River 228,070 75.3
Baldhill Creek 26,565 8.8
b. Minor tributaries & immediate
drainage (non-point load) - 17,520 5.8
c. Known municipal STP's -
Cooperstown 5,050 1.7
Hannaford 865 0.3
d. Septic tanks* - 1,065 0.3
e. Known industrial - None
f. Direct precipitation** - 23.730 7.8
Total 302,865 100.0
2. Outputs -
Lake outlet - Sheyenne River 243,675
3. Net annual N accumulation - 59,190 kg.
D. Non-point Nutrient Export by Subdrainage Area:
Tri butary kg P/km2/yr kg N/km2/yr
Sheyenne River 8 69
Baldhill Creek 2 27
* Estimate based on 6 parks, 2 campgrounds, and 67 dwellings; see Working
Paper No. 175.
** See Working Paper No. 175.
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13
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/in z/yr 1.46 0.28 13.8 2.7
Vollenweider phosphorus loadings
(g/mVyr) based on mean depth and mean
hydraulic retention time of Lake Ashtabula:
"Dangerous" (eutrophic loading) 0.44
"Permissible" (oligotrophic loading) 0.22
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14
V. LITERATURE REVIEWED
Anonymous, 1971. Inventory of municipal waste facilities. EPA
Publ. OWP-1, vol. 8, Wash., DC.
Henegar, Dale, 1975. Personal communication (lake morphemetry).
ND Game & Fish Dept., Bismarck.
Peterson, Norman L., 1974. Personal communication (information on
North Dakota lakes). ND Dept. of Health, Bismarck.
, 1975. Personal communication (North Dakota
lake classification). ND Dept. of Health, Bismarck.
Vollenweider, R. A., and P. J. Dillon, 1974. The application of
the phosphorus loading concept to eutrophication research.
Natl. Res. Council of Canada Publ. No. 13690, Canada Centre
for Inland Waters, Burlington, Ontario.
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15
VI. APPENDICES
APPENDIX A
LAKE RANKINGS
-------
LAKE DATA TO BE 'JSED IN RANKINGS
LA
0.290
0.179
0.010
0.006
0.007
0.082
0.031
0.1HS
-------
PERCENT or LAKES *ITH HIGHER VALUES (NUMBER OF LAKES WITH HIGHE* VALUES)
LAKE
CODE LAKt NAME
38U1 LAKE ASMTAbULA
380? LAKE AuDlldON
3803 B-*UiH LAKE
3804 LAKE JAMLING
380S DEVILS LAKE
3800 JAMESTOWN RESERVOIR
380 7 LAKE LA HOURE
3808 MATEJCEK LAKE
3809 LAKE METIGOSHE
3811 PELICAN LAKE
3812 LAKE SAKAKA4EA (GARRISON
38U SPIRIT WOOD LAKE
3810 SWEET HRIAR REbEHVOI*
3815 WHITMAN LAKE
MEDIAN
MEDIAN
TOTAL P INO»*G
?7 (
69 (
77 (
15 (
0 (
54 (
8 <
38 (
92 (
85 (
100 (
46 (
62 (
27 <
3)
9)
10)
2)
0)
7)
1)
5)
12)
11)
13)
6)
8)
3)
54 (
46 (
77 (
38 (
69 <
15 <
8 1
0 <
92 1
100 I
62 '
23 I
85 i
31
i N
7)
b)
10)
5)
; 9>
: 2)
! 1)
1 0)
! 12)
1 13)
I 8)
I 3)
C 11)
( 4)
500-
MEAN
MEAN SEC
15 (
46 <
J8 <
23 (
31 (
62 (
69 <
8 1
92 1
100 <
85 1
77 1
54 1
0 i
2)
b)
b)
3)
4)
8)
; 9)
! 1>
I 12)
! 13)
I ID
I 10)
I 7)
I 0)
CHLORA
a (
69 (
38 <
0 (
23 (
62 (
54 (
100 (
85 (
77 (
92 (
31 (
15 (
46 (
1)
9)
5)
0)
3)
8)
7)
13)
11)
10)
12)
4)
2>
6)
15-
MIN
62 <
46 (
81 (
38 (
15 (
96 I
4 (
23 1
81 1
31 1
54 1
4 1
96 I
69 i
MEOIAN
00
8>
b)
10)
5)
2)
12)
; o>
i 3)
i 10)
! 4)
1 7)
I 0)
1 12>
( 9)
DISS 0
38 (
69 (
81 (
23 (
0 (
54 <
8 1
31 (
81 I
100 '
92 i
46 i
62
15
iriTHO P
5)
9)
10)
; 3)
: 0)
: 7)
[ i)
[ 4)
[ 10)
C 13)
1 12)
I 6)
( 8)
( 2)
INUtX
NO
204
345
342
137
138
343
151
200
523
493
485
227
374
188
-------
LARES RflNt\E'J BY [NOEH NOS.
LAKE CODE LAKE NAME INOE* NO
1 3rtO'J LAr.F. MtII'jO>ME 523
2 3-. 11 3ELICAN
J 381^ LAKE.
4 3B03 BRUSH LAKE 392
5 3H1<. SWEET UrtlAR KEStKVOIK 374
6 3802 LAKL AUOUBOM 345
7 3806 JAMESTOWN *ES£rtVOIW 343
8 3013 SPIRIT WOOD LAKE 227
9 3801 LAKt ASHTABULA 204
10 3808 MATEJCEK LAKE ?00
11 3815 WHITMAN LAKE 188
12 3807 LANE LA MOUHE 151
13 3305 DEVILS LAKE 138
14 3RO<* LAKE OAKLING 137
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APPENDIX B
CONVERSION FACTORS
-------
CONVERSION FACTORS
Hectares x 2.471 = acres
Kilometers x 0.6214 = miles
Meters x 3.281 = feet
Cubic meters x 8.107 x 10"4 = acre/feet
Square kilometers x 0.3861 = square miles
Cubic meters/sec x 35.315 = cubic feet/sec
Centimeters x 0.3937 = inches
Kilograms x 2.205 = pounds
Kilograms/square kilometer x 5.711 = Ibs/square mile
-------
APPENDIX C
TRIBUTARY FLOW DATA
-------
TRI8UTAPY FLOW INFORMATION F04 NOrfTrl DAKOTA
03/16/76
LAKE CODE 3801
LAKE ASTAbUUA
TOTAL DRAINAGE A«E« OF LAKE(SO KM) 4946.9
TRIbUTAHl
380 IA1
380 1A2
380 1C 1
380UZ
SUH-DKAINAGE
r APEA(SO KM)
4946.9
3289.3
986.8
647.5
NiMMALUEO FLOWS (CM:>)
JAN
1.3*
0.25
0.016
0.184
Ftd
1.53
0.24
0.014
0.198
MftH
3.31
3.65
0.850
0.425
APR
13.42
16. bl
2.209
1.699
MAY
7.70
5.95
0.481
0.991
JUN
5.07
3.37
0.453
0.651
JUL
2.58
1.90
0.244
0.340
AUG
0.93
0.76
0.096
0.127
SEP
0.91
0.59
0.187
0.113
OCT
0.74
0.62
0.147
0.099
NUV
1.22
0.62
0.133
0.156
DEC
1.44
O.<*0
0.059
0.184
MEAN
3. 35
2.90
0.407
0.430
SUMMARY
4946.9
4923.6
TOTAL DRAINAGE AREA OF LAKE
SUM OF SUB-DRAINAGE AREAS
MEAN MONTHLY FLOWS AND 'DAILY FLOWS(CMS)
TRIBUTARY MONTH YtAH MEAN FLOW DAY FLOW DAY
3801A1
TOTAL FLOW IN
TOTAL FLO* OUT
44.93
40.24
FLOW OAY
FLOW
380 IA2
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
74
74
74
74
75
75
75
75
75
75
75
75
74
74
74
74
75
75
75
75
75
75
75
75
0.371
0.309
0.912
1.475
1.574
1.597
1.934
18.944
23.503
6.428
3.370
1.594
0.150
0.408
0.991
0.439
0.351
0.399
2.973
20.247
18.972
4.899
2.701
0.507
21
20
16
21
18
22
22
5
3
23
19
22
21
20
16
21
18
22
5
3
23
19
22
0.340
0.311
.048
.557
.557
.671
.614
6.570 19
44.741 18
4.729
2.803
0.368
0.059
0.765
1.076
0.425
0.340
6.513
6.796 18
26.816 18
8.184
2.662
0.232
25.202
21.153
22.937
14.725
-------
FLC* INFORMATION FOW
DAKOTA
03/16/76
LAKE CODE 3801 LAr>£ ASTAdULA
MEAN MONTHLY FLOWS AND L»AILY FLOWSICMSI
TPIri'JTAKY
36U1CI
MONlM YEAK
9
10
11
12
1
2
3
4
5
6
7
B
1
2
3
4
5
6
7
8
9
10
11
12
7i.
7*
74
74
75
75
75
75
75
75
75
75
0
0
0
0
0
0
0
0
u
0
0
0
FLOW DAY
0.0<*0
w.074
0.109
0.085
0.045
0.020
0.1J3
4.219
1.090
3.589
1.019
0.076
0.031
o!o91
2.832
0.736
0.39ft
0.708
0.051
0.028
0.051
0.074
0.057
21
20
16
21
18
22
5
3
23
19
22
KLO* DAY
FLOW DAY
FLO*
0.037
0.071
0.108
0.095
0.03^
0.510
0.116
2.577
O.B78
0.566
0.05
-------
APPENDIX D
PHYSICAL and CHEMICAL DATA
-------
STORE i" SETHIFVAL DATE 76/03/16
380101
47 02 12.0 048 04 44.
LAKE ASHTABULA
3800J NO*Trl DAKOTA
DATE
FROM
TO
74/04/30
74/07/17
74/09/17
DATE
FKOM
TO
74/04/30
74/07/17
74/09/17
TIME DEPTH
OF
DAY FEET
09 20
09 20
09 20
09 20
11 ?0
11 20
11 20
11 20
14 10
14 10
14 10
TIME
OF
DAY
09 20
09 20
09 20
09 ?0
11 20
11 ?0
11 20
11 ?0
11 20
14 10
14 10
14 10
0000
0005
0015
0023
0000
0005
0015
0020
0000
0015
0027
DEPTH
FEET
0000
0005
0015
0023
0000
0005
0009
0015
0020
0000
0015
0027
00010
HATER
TEMP
CENT
6.0
6.0
6.0
5.9
23.8
23.7
23.5
23.4
15.0
14. b
14.6
00665
PHOS-TOT
MG/L P
0.260
0.245
0.243
0.239
0.283
0.292
0.326
0.318
0.275
0.245
0.245
00300
DO
MG/L
8.
8.
8.
5.
5.
4.
4.
9.
9.
8.
32217
00077 00094
TRANSP CNOUCTVY
SECCHI FIELD
INCHES MICROMHO
16
8
6
4
2 48
0
8
4
4 49
6
8
00031
309
307
306
305
702
700
698
699
567
561
565
llEr'ALE.S 2111202
0027 FEET DEPTH CLASS 00
00400 00410 00610 00625
Prl T ALK NH3-N TOT KJEL
CAC03 TOTAL N
SU
7.60
7.60
7.60
7.70
8.40
8.40
a. 40
8.40
8.79
8.81
8.81
MG/L
147
146
147
147
256
260
258
244
385
465
425
MG/L
0
0
0
0
0
0
0
0
0
.410
.350
.380
.380
.190
.180
.190
.160
.040
0.030
0
.040
MG/L
.900
.600
.400
.500
.200
0.900
0.900
.000
.200
.100
.000
CHLRPHYL INCDT LT
A
UG/L
5.
16.
17.
REMNING
PERCENT
4
1
1.0
1
00630 00671
N02&N03 PrtOS-JlS
N-TOTAL ORTrlO
MG/L MG/L P
1.020
0.910
0.930
0.940
0.100
0.070
0.080
0.080
0.020K
0.020K
0.020K
0.170
0.161
0.160
0.155
0.279
0.277
0.307
0.274
0.220
0.204
0.193
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
bT'JRET RETRIEVAL OATE 76/03/16
380102
47 0* 29.0 098 00 31.0 3
LAKE ASHTAbtULA
38003 NOHTH DAKOTA
11EPALES 2111202
0012 FEET DEPTH CLASS 00
OATE
FROM
TO
74/04/30
74/07/17
74/09/17
OATE
FROM
TO
74/04/30
74/07/17
74/09/17
TIME DEPTH
OF
DAY FEET
09 45 0000
09 45 0008
10 30 0000
10 30 0005
10 30 0017
14 55 0000
14 55 0008
TIME DEPTH
OF
DAY FEET
09 45 0000
09 45 0008
10 30 0000
10 30 0005
10 30 0006
10 30 0017
14 55 0000
14 55 0008
00010
WATER-
TEMP
CENT
11.5
11.6
24.6
24.5
24.4
15.3
14.5
00665
PHOS-TOT
MG/L P
0.261
0.247
0.377
0.314
0.319
0.224
0.216
00300
DO
MG/L
10.0
6.2
6.0
to.O
10.4
11.2
32217
CMLRPHYL
A
UG/L
21.5
52.6
61.4
00077
TRANSP
SECCHI
INCHES
14
36
20
00031
INCDT LT
REMNING
PERCENT
1.0
00094
CNDUCTVY
FIEL0
MICNOMHO
266
265
729
730
730
570
571
00400
PH
SU
8.00
7.60
8.60
8.60
d.60
8.91
8.93
00410
T ALK
CAC03
MU/L
106
104
250
254
262
440
435
00610
NH3-N
TOTAL
MG/L
0.090
0.080
0.080
0.090
0.100
0.040
0.040
00625
TOT KJEL
N
MG/L
1.400
1.200
1.500
1.200
1.300
2.100
2.000
00t>30
N02&N03
N-TOTAL
MG/L
0.620
0.600
0.060
0.060
0.060
0.020ft
0.020
00671
PHOS-DIS
ORTHO
MG/L P
0.147
0.138
0.273
0.280
0.281
0.088
0.097
K VALUE KNOWN TO B£
LESS THAN INDICATED
-------
MEDIEVAL DATE 76/03/lb
380103
47 12 48.0 097 57 45.0 3
LAKE ASHTAtlULA
J300J .gOKfri uAKOTA
DATE
F«OM
TO
74/04/30
74/07/17
74/09/17
DATE
FROM
TO
74/04/30
74/07/17
74/0*/17
TIME DEPTH
OF
DAY FEET
10 20 0000
10 20 0005
10 20 0015
10 10 0000
10 10 0005
10 10 0016
15 15 0000
15 15 0005
15 15 001B
TIME DEPTH
OF
DAY FEET
10 20 0000
10 20 0005
10 20 0015
10 10 0000
10 10 0005
10 10 0016
15 15 0000
15 15 0005
15 15 0018
OC010
WATER
TEMP
CENT
12.0
11.9
11.6
24.7
24.5
24.5
14.4
J4.4
14.3
00665
PHOS-TOT
MG/L P
0.237
0.237
0.236
0.477
O.M2
0.395
0.2U2
0.1 Vb
0.197
00300 00077 00094
oo TH»NSU CNDUCTVY
SECCHI FIELD
MG/L
10
10
9
8
8
10
10
10
INCHES MICROMHO
17
.2
.0
.4 36
.2
.4
.0 19
.0
.0
337
324
322
856
847
867
633
633
629
llcVALES 2111202
0022 FEET DEf-TH CLASS 00
00400 00410 00610 00625 00630 00671
PH T ALK NH3-N TOT KJEL N02&N03 PHOS-OIS
CAC03 TOTAL N N-TOTAL ORTHU
su
8.10
8.10
8.00
8.40
8.60
8.70
8.87
8.91
8.91
MG/L
129
129
124
312
324
328
455
510
515
MG/L
0.080
0.060
0.070
0.040
0.070
U.050
0.050
0.050
0.060
MG/L
1.200
1.300
1.800
1.600
1.600
1.600
3.500
2.600
2.000
MG/L
0.410
O.J40
0.400
0.070
0.070
0.060
0.020
0.020
0.030
Mb/L P
0.119
0.117
0.119
0.304
0.317
0.299
0.058
0.066
0.074
32217 00031
CHL9PHYL INCDT LT
A
UG/L
52
60
78
REMNING
PERCENT
.5
.9
1.0
.3
-------
STORET RETRIEVAL DATE 76/03/lfc
380104
47 15 48.0 098 00 J9.0 3
LAKE ASHTAbULA
3803V MDiOH DAKOTA
HEPALtS 2111202
000<» FEET DEPTH CLASS 00
DATE
FROM
TO
TIME DEPTH
OF
DAY FEET
00010
WATER
TEMP
CENT
00300
00
MG/L
00077
TRANSf
SECCMI
INCHES
00094
CNDUCTVY
FIELD
MICKOMHO
00400
PH
SU
00410
T ALK
CAC03
M6/L
00610
NH3-N
TOTAL
MO/L
00625
TOT KJEL
N
MG/L
00630
N02&N03
N-TOTfiL
MO/L
00671
PMOS-OIS
ORTHO
MG/L P
74/04/30 10 40 0000
12.3
8.4
12
442
7.80
163
0.100
1.500
0.220
0.117
00665 32217 00031
DATE TIME DEPTH PHUS-TOT CHLRPHYL INCDT LT
FROM OF A REMNING
TO DAY FEET MG/L P UG/L PERCENT
74/04/30 10 40 0000
0.247
38.1
-------
3TO&ET
DATE 7&/03/16
380105
47 07 45.0 098 0? 15.0 3
LAKE AS-iTABULA
39003 MOUTH DAKOTA
11EPALES 2111202
002b FEET DE^TM CLASS 00
DATE
FROM
TO
74/07/17
74/09/17
DATE
FROM
TO
74/07/17
74/09/17
TIME
OF
DAY
10 50
10 50
10 50
10 50
14 35
14 35
14 35
TIME
OF
DAY
10 50
10 50
10 50
10 50
10 50
14 35
14 35
14 35
FEET
0000
0005
0015
0020
0000
OOG5
0013
OEPTH
FEET
0000
OOOS
0007
0015
0020
0000
OOOS
0013
00010
TEMP
CENT
24.3
24.2
24.2
24.2
15.1
14.3
14.0
00665
PHOS-TOT
MG/L t»
0.303
0.323
0.298
0.306
0.212
0.213
0.286
00300 00077 00094 00400 00410 00610 00625 00630 00671
DO TRANSP CNDUCTVY PH T ALK NH3-N TOT KJEL N02&N03 PHOS-DIS
SECCHI FIELO CAC03 TOTAL N N-TOTAL ORTHO
MG/L INCHES M1CROMHO bU MG/L MG/L MG/L MG/L MG/L P
5.8 36 712 8.60
5.8 712 8.50
5.6 712 8.50
5.6 713 8.50
11.4 30 552 8.97
11.0 545 8.93
10.4 5*1 6.95
32217 00031
CHLRPHYL INCUT LT
A HEMMING
UG/L PERCENT
29.2
1.0
57.6
262 0.100 .200 0.04U 0.273
246 0.120 .100 0.050 0.273
248 0.130 .200 0.060 0.286
272 0.140 .200 0.070 0.278
310 0.040 .400 0.020K 0.117
470 0.030 .700 0.020K 0.117
410 0.040 .400 0.020 0.112
K VALUE KNOWN TO BE
LESS THAN IMDICATED
-------
APPENDIX E
TRIBUTARY and WASTEWATER
TREATMENT PLANT DATA
-------
STU.
-------
WETP1EVAL OAlP 7£/03/id
38U1A2
47 2b 01.0 098 01 43.0 4
GPIGGS CO n*i Mf
ASuTABULA
2NDAfT XI) dROG 4.5 Ml t OF COOPE«STO*N
11EPALE5 2111204
0000 FEET DE°TM CLASS 00
DATE
FWCM
TO
7W09/21
7*4/10/20
74/| I/IS
74/12/21
75/01/M
75/03/22
75/04/05
75/04/ia
75/05/03
75/05/18
75/06/23
75/07/14
75/08/2
0.135
0.120
0.060
0.080
0.120
0.470
0.260
0.400
0.230
0.1^0
0.420
0.300
0.280
-------
RETRIEVAL DATE 76/03/18
00630
DATE TIME DEPTH N02NN03
FSOM OF w-TOTAL.
TO DAY FEET MG/L
75/03/22 10 35
75/04/18 10 45
75/05/03 10 30
75/05/18 15 20
00625 00610
TOT KJEL NH3-N
N TOTAL
MG/L MO/L
47 04 03.0 098 05 10.0 4
UNNAMED CSEEK
38 7.5 BALD HILL OM
T/LA(\£ ASHTA8ULA
ON FftS RO 126 5.2 MI E OF KODGErtS
211I2G4
OOOt) FEET DEfTH CLASS 00
00671 00665
PnOS-DIS PHOS-TOT
OPTHO
MG/L P MG/L P
0.440
0.860
0.030
0.010
2.600
1.350
0.950
2.200
0.200
C.115
0.035
0.105
0.345
0.250
0.120
0.300
0.560
0.360
0.170
0.340
-------
bTORET *ET*IFVAi. DATE 76/u3/i»
JS01C1
47 11 00.0 098 0<* 15.0 4
bALU HILL CJvEEK
38 7.5 DAZEt NE
SEC *0 b*OG 7 Ml E OF OAZEC
MERLES 2111204
OOOC FEET DEPTH CLASS 00
DATE
FROM
TO
74/OS/21
74/10/20
74/11/ltj
74/12/21
75/01/18
75/03/2?
75/04/05
75/04/18
75/05/03
75/05/lb
75/06/23
75/07/1*
75/08/22
00630 00625
TIME DEPTH N02&N03 TOT KJEL
OF N-TOTAL N
UAY FEET
11
U
10
09
IS
10
15
10
10
15
10
10
10
10
30
00
45
00
00
00
15
00
00
25
50
10
Mlj/L
0.
0.
0.
0.
0.
0.
0.
1.
0.
0.
3.
0.
0.
OOd
016
012
008
040
370
315
350
980
005
035
005
015
MG/L
1.
1.
1.
1.
1.
2.
1.
2.
1.
1.
1.
2.
1.
700
200
000
300
100
000
BOO
600
350
190
eoo
300
500
00610 00671 00665
NM3-N PHOS-DIS PHOS-TOT
TOTAL OHTHO
MG/L
0.
0.
0.
0.
3.
c.
0.
0.
0.
0.
0.
0.
0.
025
025
032
025
096
290
350
180
055
020
075
040
040
MG/L
0.
0.
0.
0.
o.
0.
0.
0.
0.
0.
0.
0.
0.
f>
090
0?0
015
010
045
135
085
150
070
040
100
280
170
MO/L f
0.150
0.070
0.040
0.030
0.07Q
0.250
0.1JO
i).390
0.160
0.09Q
0.150
0.370
0.270
-------
OATc 7*/GV18
30.0 098 06 00.0 <•
COOPh>:sTUWNE
Or*f «UN TO
0000 FEET OE^TH CLASS 00
DATE
FROM
TO
TIME
OF
OEPTu
FEET
7W11/13
7«./l2/Ob 16 30
75/01/17 15 00
75/02/19 16 00
00630
N02«.N03
IN-TOTAL
MG/L
3.320
0.320
0.2<*0
2.120
00625
TOT KJEL
N
MG/L
6.000
9.000
22.000
32.000
00610
NH3-N
TOTAL
MG/L
0.260
0.250
11.500
23.600
00671
PriOS-DIS
0>)TrlO
MG/L P
<..100
-4.500
2.500
5.150
00665
PHOS-TOT
MG/L P
^.303
8.000
1U.SOO
y.<*oo
50051
FLOW
RATE
INST MGD
SOObJ
CONDUIT
FLO'jJ-MGD
MONTHLY
------- |