U.S. ENVIRONMENTAL PROTECTION AGENCY
NATIONAL EUTROPHICATION SURVEY
WORKING PAPER SERIES
REPORT
ON
DILLJDN RESERVOIR
SUWT COUNTY
COIDRADO
EPA REGION VIII
WORKING PAPER No, 769
CORVALLIS ENVIRONMENTAL RESEARCH LABORATORY - CORVALLIS, OREGON
and
ENVIRONMENTAL MONITORING & SUPPORT LABORATORY - LAS VEGAS, NEVADA
QH968 E9
No 769
1977
•&G.P.O. 699-440
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REPORT
ON
DILLON RESERVOIR
SUWIT COUNTY
COLORADO
EPA REGION VI11
WORKING PAPER No, 769
WITH THE COOPERATION OF THE
COLORADO DEPARTMENT OF HEALTH
AND THE
COLORADO NATIONAL GUARD
JULY, 1977
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1
CONTENTS
Page
Foreward ii
List of Colorado Study Lakes and Reservoirs iv
Lake and Drainage Area Map v
Sections
I. Conclusions 1
II. Lake and Drainage Basin Characteristics 5
III. Lake Water Quality Summary 5
IV. Nutrient Loadings 10
V. Literature Reviewed 15
VI. Appendices 17
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11
FOREWORD
The National Eutrophication Survey was initiated in 1972 1n
response to an Administration commitment to investigate the nation-
wide threat of accelerated eutrophication to freshwater lakes and
reservoirs.
OBJECTIVES
The Survey was designed to develop, in conjunction with state
environmental agencies, information on nutrient sources, concentrations,
and impact on selected freshwater lakes as a basis for formulating
comprehensive and coordinated national, regional, and state management
practices relating to point-source discharge reduction and non-point
source pollution abatement in lake watersheds.
ANALYTIC APPROACH
The mathematical and statistical procedures selected for the
Survey's eutrophication analysis are based on related concepts that:
a. A generalized representation or model relating
sources, concentrations, and impacts can be constructed.
b. By applying measurements of relevant parameters
associated with lake degradation, the generalized model
can be transformed into an operational representation of
a lake, its drainage basin, and related nutrients.
c. With such a transformation, an assessment of the
potential for eutrophication control can be made.
LAKE ANALYSIS
In this report, the first stage of evaluation of lake and water-
shed data collected from the study lake and its drainage basin is
documented. The report is formatted to provide state environmental
agencies with specific information for basin planning [§303(e)], water
quality criteria/standards review [§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.
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Beyond the single lake analysis, broader based correlations
between nutrient concentrations (and loading) and trophic condi-
tion are being made to advance the rationale and data base for
refinement of nutrient water quality criteria for the Nation's
fresh water lakes. Likewise, multivariate evaluations for the
relationships between land use, nutrient export, and trophic
condition, by lake class or use, are being developed to assist
in the formulation of planning guidelines and policies by EPA
and to augment plans implementation by the states.
ACKNOWLEDGEMENT
The staff of the National Eutrophication Survey (Office of
Research & Development, U. S. Environmental Protection Agency)
expresses sincere appreciation to the Colorado Department of
Health for professional involvement, to the Colorado National
Guard for conducting the tributary sampling phase of the Survey,
and to those wastewater treatment plant operators who voluntarily
provided effluent samples.
The staff of the Water Quality Control Division 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.
Lt. Colonel Paul A. Parsons, the Deputy Adjutant General of
Colorado, and Project Officer Colonel Hershel C. Yeargan, who
directed the volunteer efforts of the Colorado National Guardsmen,
are also gratefully acknowledged for their assistance to the Survey.
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1v
NATIONAL EUTROPHICATION SURVEY
STUDY LAKES AND RESERVOIRS
STATE OF COLORADO
NAME
Barker
Barr
Blue Mesa
Cherry Creek
Cucharas
Dillon
Grand
Green Mountain
Hoi brook
Meredith
Milton
Navajo
Shadow Mountain
COUNTY
Boulder
Adams
Boulder
Arapohoe
Huerfano
Summit
Grand
Summit
Otero
Crowley
Weld
Archuleta, CO; San
Juan, Rip Arriba, NM
Grand
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DILLON
Ktseftvoi
DILLON RESERVOIR
(g> Tributary Sampling Site
X lake Sampling Site
• Sewjge Treatment Facility
-ainage Area Boundary
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DILLON RESERVOIR
STORE! NO. 0806
I. CONCLUSIONS
A. Trophic Condition:
Survey data indicate that Dillon Reservoir is oligotrophic.
Total phosphorus ranged from 5 to 22 yg/1, total nitrogen ranged
from 220 to 320 yg/1, chlorophyll a_ ranged from 2 to 5 yg/1, and
Secchi disc transparencies ranged from 4.6 to 15.2 meters.
Of the 13 Colorado lakes and reservoirs sampled in 1975, Dillon
Reservoir ranked first in overall trophic quality when compared
using a combination of six parameters*. None of the other water
bodies had less median total phosphorus, median dissolved phos-
phorus (one had the same), and median inorganic nitrogen (six had
the same). One of the water bodies had less mean chlorophyll a^
and none of the others had greater Secchi disc transparency. No
significant depression of dissolved oxygen with depth occurred
during Survey sampling (the minimum measured was 5.8 mg/1 at a
depth of 22.9 meters).
Field limnologists did not observe algal concentrations or
macrophytes.
B. Rate Limiting Nutrient:
The algal assay results are not considered representative of
conditions in the reservoir at the time of sampling due to sig-
nificant nutrient changes in the sample during shipment from the
field to the laboratory. The reservoir data indicate phosphorus
* See Appendix A.
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2
limitation. This conclusion is supported by a previous study on
this water body (Anonymous, 1974a).
C. Nutrient Controllability:
1. Point Sources—During the sampling year, point sources
contributed 30.6% of the total phosphorus input to Dillon Reser-
voir. -A major portion of this load (22.4%) was contributed by
the Frisco Sanitation District (SD) wastewater treatment plant.
The plant at Breckenridge contributed 3.5%, the plant at Copper
Mountain contributed 1.5%, and six smaller plants collectively
tu.
contributed 3.0%. Septic tanks serving shoreline residences,
parks, and campgrounds contributed an estimated 0.1%.
The phosphorus loading of 0.61 g/m2 measured during the
sampling year is less than that proposed by Yollenweider (Vollen-
weider and Dillon, 1974) as a eutrophic loading but is greater
than his oligotrophic loading (see page 15).
During the sampling year, a number of the wastewater treatment
plants in the drainage provided phosphorus removal (see page 11);
and at this time, the Summit Cove wastes are treated at the Summit
County Phase D plant (with phosphorus removal), construction of
phosphorus removal facilities at the Frisco SD plant is scheduled
to begin in October, 1977, and the Copper Mountain SD is proposing
land disposal of plant effluent (Lang, 1977). Assuming 85% removal
at the plants and complete removal by land disposal, it is calculated
these improvements will reduce the overall phosphorus loading to 0.48
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3
g/m2/yr. If that loading is not increased, the existing quality
of the reservoir should persist. However, in other studies, con-
cern has been expressed regarding the rapid development within
the watershed (Anonymous, 1974a), and it has been projected that
the full-time residency will more than double between 1980 and
2000 (Anonymous, 1974b).
If the population increases as predicted, water quality in
Dillon Reservoir could deteriorate rapidly if phosphorus removal
is not provided for the additional wastes. For example, a secon-
dary treatment plant without phosphorus removal serving an addi-
tional 4,000 residents could increase the loading from 0.48 to
0.84 g/mz/yr* (a eutrophic level for Dillon Reservoir); with 85%
phosphorus removal, the loading would be increased to 0.53 g/mz/yr
(a mesotrophic loading).
2. Non-point sources—Non-point sources, including precipi-
tation, contributed 69.4% of the total phosphorus load during the
sampling year. After known point sources were subtracted, Tenmile
Creek contributed 32.4%, the Snake River contributed 8.4%, the
Blue River contributed 5.9%, Miners Creek contributed 1.1%, and
minor tributaries and immediate drainage contributed an estimated
18.7%.
The phosphorus export rate of Tenmile Creek (10 kg/kmz/yr) was
significantly higher than the rates of the other Dillon Reservoir
tributaries (see page 14). This could have been due to additional
* Estimate based on 1.134 kg P/capita/year; see Working Paper No. 175,
"...Survey Methods, 1973-1976".
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4
phosphorus sources in the vicinity of Copper Mountain. In a
previous report it is noted that the Copper Mountain Ski Area
and community presently are under development for a projected
population of 25,000 (Anonymous, 1974a). Additional investigation
is needed to determine the controllability of phosphorus from
that area.
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II. RESERVOIR AND DRAINAGE BASIN CHARACTERISTICS1"
A. Morphometry :
1. Surface area: 12.76 kilometers2.
2. Mean depth: 24.6 meters.
3. Maximum depth: 60.9 meters.
4. Volume: 313.306 x 10s to3.
5. Mean hydraulic retention time: 1.3 years (based on outflow),
B. Tributary and Outlet:
(See Appendix C for flow data)
1. Tributaries -
Drainage Mean flow
Name area (km2)* (mVsec)*
Blue River 313.4 2.44
Tenmile Creek 240.4 2.63
Miners Creek 17.3 0.27
Snake River 201.0 2.08
Minor tributaries &
immediate drainage - 82.7 2.19
Totals 854.8 9.61
2. Outlet -
Harold D. Roberts Tunnel - 1.24
Blue River 867.6 6.39
Totals 867.6** 7.63
C. Precipitation***:
1. Year of sampling: 30.8 centimeters.
2. Mean annual: 42.6 centimeters.
t Table of metric conversions—Appendix B.
tt Anderson, 1974.
* For limits of accuracy, see Working Paper No. 175. "...Survey Methods,
1973-1976".
** Includes area of reservoir.
*** See Working Paper No. 175.
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6
III. WATER QUALITY SUMMARY
• Dillon Reservoir was sampled two times during the open-water
season of 1975 by means of a pontoon-equipped Huey helicopter. Each
time, samples for physical and chemical parameters were collected from
a number of depths at four stations on the reservoir (see map, page v).
During each visit, a single depth-integrated (4.6 m to surface) sample
was composited from the stations for phytoplankton identification and
enumeration; and during the first visit, a single 18.9-liter depth-inte-
grated 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 22.9 meters at station 1,
13.4 meters at station 2, 16.8 meters at station 3, and 50.3 meters at
station 4.
The sampling results are presented in full in Appendix D and are
summarized in the following table.
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A. SUMMARY OF PHYSICAL AND CHEMICAL CHARACTERISTICS FOR DILLON RESERVOIR
STORET CODE 0806
PARAMETER
TEMP (C>
DISS OXY (MG/D
CNDCTVY (MCROMO)
PH (STAND UNITS)
TOT ALK (MG/L)
TOT P (MG/L)
ORTHO P (MG/L>
N02»N03 (MG/L)
AMMONIA (HG/L)
KJEL N (MG/L)
INORG N (MG/L)
TOTAL N (MG/L)
CHLRPYL A (UG/L)
SECCHI (METERS)
1ST SAMPLING ( 8/25/75)
4 SITES
RANGE
4.2 - 17.9
6.0 - 7.6
82. - 97.
7.0 - 8.3
39. - 45.
0.005 - 0.017
0.002 - 0.002
0.020 - 0.080
0.020 - 0.020
0.0 - 0.300
0.040 - 0.100
0.220 - 0.320
2.1 - 2.5
4.6 - 15.2
2ND SAMPLING (10/ 9/75)
<» SITES
MEAN
10.7
7.0
91.
7.6
41.
0*008
0.002
0.029
0.020
0.200
0.049
0.241
2.3
7.8
MEDIAN
12.4
7.0
93.
7.6
41.
0.008
0.002
0.020
0.020
0.200
0.040
0.225
2.3
5.8
RANGE
6.5
5.8
94
7.4
38.
0.006
0.002
0.020
0.020
0.200
0.040
0.220
2.8
5.2
- 11.2
8.2
- TOO
7.8
59.
- 0.022
- 0.007
- 0.120
- 0.020
- 0.200
- 0.140
- 0.320
4.9
- 15.2
MEAN
10.3
7.6
99
7.7
47.
0.012
0.002
0.033
0.020
0.200
0.053
0.233
4.0
8.3
MEDIAN
10.8
7.8
100
7.7
48.
0.012
0.002
0.020
0.020
0.200
0.040
0.220
4.1
6.4
3RD SAMPLING (»o/««/o«j
0 SITES
RANGE MEAN MEDIAN
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8
B. Biological Characteristics:
1. Phytoplankton -
Sampling
Date
08/25/75
10/09/75
Dominant
Genera
1.
2.
3.
4.
5.
1.
2.
3.
4.
5.
Flagellates
Cryptomonas sp.
Asterionella sp,
Fragilaria sp.
Dinobryori~sp.
Total
Fragilaria sp.
Asterionella sp.
Flagellates
Cryptomonas sp.
Cysts (.?)
Other genera
2. Chlorophyll a -
Sampling
Date
08/25/75
10/09/75
Total
Station
Number
1
2
3
4
1
2
3
4
Algal Units
per ml
3,622
3,297
1,486
650
279
232
93
6,037
Chlorophyll a
(ug/1)
2.2
2.5
2.1
2.4
3.7
4.9
2.8
4.6
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9
C. Limiting Nutrient Study:
The algal assay results are not considered indicative of
conditions present in the reservoir at the time the sample was
taken (08/25/75) due to nutrient changes in the sample during
shipment from the field to the laboratory. However, the reser-
voir data indicate phosphorus limitation; i.e., the mean inor-
ganic nitrogen to orthophosphorus ratios were 18 to 1 or greater
at all sampling stations and times, and phosphorus limitation
would be expected.
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10
IV. NUTRIENT LOADINGS
(See Appendix E for data)
For the determination of nutrient loadings, the Colorado National
Guard collected monthly near-surface grab samples from each of the
tributary sites indicated on the map (page v), except for the months
of July and August when two samples were collected at most of the sites.
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 Colorado District Office of the U.S. Geological Survey for the
tributary sites nearest the reservoir.
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 mean concentra-
tions in Meadow Creek at station B-l and the mean annual ZZ flow.
The operators of the Breckenridge SD, Copper Mt. SD, Frisco SD,
Summit County Phase D, and Summit Cove wastewater treatment plants
provided monthly effluent samples and corresponding flow data. The
operators of the wastewater treatment plants at Shangri La Inn, TIcDill-
Placer, Blue River SD, and Valley of the Blue provided monthly samples;
however, corresponding flow data were not available, 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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n
A. Waste Sources:
1. Known municipal* -
Name
South Blue
River SD
McDill -Placer
Shangri-La Inn
Pop.
Served
10-20
10-20
25-50
Treatment
ext. aer.
ext. aer.
ext. aer. +
P- removal
Mean Flow
(mVd)
7.6**
7.6**
18.9**
Receiving
Water
Blue River
Blue River
Blue River
Valley of the
Blue 10-20
Breckenridge
SD 1,000
Copper Mt. SD 1,150
Summit Cove
(East Dillon .
SD) 3341
Frisco SD 1,500
Summit County .
Phase D 1.2701
ext. aer.
P-removal
P-removal
7.6**
2,050.3
208.2
P-removal
act. sludge
126.5
700.6
Blue River
Blue River
Tenmile Creek
Soda Creek
Miners Creek
Snake River
P-removal 480.7
2. Industrial - Mining activities in the drainage, particularly
in the Tenmile Creek watershed, are reported to contribute to
elevated levels of molybdenum in the reservoir (Anonymous, 1974a).
The nutrient significance of the mining operations is not known
but is assumed to be minimal.
* Lang, 1974.
** Flow estimate based on 0.3785 m3/capita/day.
t Population estimate based on flow rate of 0.3785 m3/capita/day.
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12
B. Annual Total Phosphorus Loading - Average Year:
1. Inputs -
kg P/ % of
Source ^r total
a. Tributaries (non-point load) -
Blue River 460 5.9
Tenmile Creek 2,520 32.4
Miners Creek 85 1.1
Snake River 655 8.4
b. Minor tributaries & immediate
drainage (non-point load) - 1,450 18.7
c. Known municipal STP's -
South Blue River SD 25 0.3
McDi11-Placer 25 0.3
Shangri La Inn 55 0.7
Valley of the Blue 25 0.3
Breckenridge SD 275 3.5
Copper Mt. SD 120 1.5
Summit Cove 55 0.7
Frisco SD 1,740 22.4
Summit Co. Phase D 45 0.6
d. Septic tanks* - 10 0.1
e. Industrial - Unknown ?
f. Direct precipitation** - 225 2.9
Total 7,770 100.0
2. Outputs -
Reservoir Outlet - H. D. Roberts
Tunnel 365
Blue River 1,860
Total 2,225
3. Net annual P accumulation - 5,545 kg.
* Estimate based on one park and four campgrounds; see Working Paper No. 175.
** See Working Paper No. 175.
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13
C. Annual Total Nitrogen Loading - Average Year:
1. Inputs -
kg N/ % of
Source yr total
a. Tributaries (non-point load) -
Blue River 26,505 12.8
Tenmile Creek 72,710 35.1
Miners Creek 4,595 2.2
Snake River 24,415 11.8
b. Minor tributaries & immediate
drainage (non-point load) - 49,310 23.8
c. Known STP's -
South Blue River SD 70 <0.1
McDi11-Placer 70 <0.1
Shangri La Inn 170 0.1
Valley of the Blue 70 <0.1
Breckenridge SD 8,245 4.0
Copper Mt. SD 1,055 0.5
Summit Cove 610 0.3
Frisco SD 3,585 1.7
Summit Co. Phase D 1,760 0.8
d. Septic tanks* - 315 0.2
e. Industrial - Unknown ?
f. Direct precipitation** - 13,775 6.6
Total 207,260 100.0
2. Outputs -
Reservoir outlet - H. D. Roberts
Tunnel 18,560
Blue River 155,490
Total 174,050
3. Net annual N accumulation - 33,210 kg.
* Estimate based on one park and four campgrounds; see Working Paper No. 175.
** See Working Paper No. 175.
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14
D. Non-Point Nutrient Export by Subdrainage Area:
Tributary kg P/km2/yr kg N/km2/yr
Blue River 1 85
Tenmile Creek 10 302
Miners Creek 5 266
Snake River 3 121
E. Mean Nutrient Concentrations in Ungaged Stream:
Mean Total P Mean Total N
Tributary Cone, (mg/1) Cone, (mg/1)
Meadow Creek 0.021 0.714
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15
F. Yearly Loads:
In the following table, the existing phosphorus loadings
are compared to those proposed by Vollenwelder (Vollenwelder
and Dillon, 1974). Essentially, his "dangerous" loading 1s
one at which the receiving water would become eutrophic or
remain eutrophlc; his "permissible" loading 1s that which
would result 1n the receiving water remaining ollgotrophic
or becoming ollgotrophic If morphometry permitted. A meso-
trophlc loading would be considered one between "dangerous"
and "permissible".
Note that Vollenwelder's model may not be applicable to
water bodies with short hydraulic retention times.
Total Phosphorus Total Nitrogen
Total Accumulate? Total Accumulated
grams/m2/yr 0.61 0.43 16.2 2.6
Vollenwelder phosphorus loadings
(g/m2/yr) based on mean depth and mean
hydraulic retention time of Dillon Reservoir:
"Dangerous" (eutrophic loading) 0.84
"Permissible" (ollgotrophic loading) 0.42
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16
V. LITERATURE REVIEWED
Anderson, R. Dennis, 1974. Personal communication (reservoir
morphemetry). CO Dept. of Health, Denver.
Anonymous, 1974a. Dillon Reservoir - Blue River study, Colorado,
June, July, August - 1973. Tech. Invest. Br., Surv. & Anal.
D1v., EPA Region VIII, Denver.
Anonymous, 1974b. Waste load allocation plan, Blue River hydro logic
basin. R. Keith Hook & Assoc., Inc., Colorado Springs.
Lang, Derald E., 1974. Treatment plant questionnaires. CO Dept.
of Health, Denver.
, 1977. Personal communication (review of preliminary report;
status of waste treatment facilities as of July, 1977). CO Dept.
of Health, Denver.
Voil enwelder, R. A., and P. J. Dillon, 1974. The application of
the phosphorus loading concept to eutrophlcatlon research.
Natl. Res. Council of Canada Publ. No. 13690, Canada Centre
for Inland Waters, Burlington, Ontario.
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VI. APPENDICES
17
APPENDIX A
LAKE RANKINGS
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*~ENT Or LAKES «JTM M!?iH«:i» "Al.iiE1; firtJMSFrt OF L-V
-------
AKES RANKED 8V INDEX NOS.
ANK LAKE CODE LAKE NAME INDEX NO
1 0806 DILLON RESEKV01* 521
2 0808 GREEN MOUNTAIN «ESERVOIR 479
3 0807 GRAND LAKE 453
4 0813 SHADOW MOUNTAIN LAKE 433
5 0801 BARKER RESERVOIR 358
6 0803 SLUE MESA RESERVOIR 354
7 0812 NAVAJO RESERVOIR 296
8 0804 CHERRY CREEK LAKE 291
9 ORII MILTON RESERVOIR 183
10 0809 HOLBROOK LAKE 183
11 0805 CUCHARAS RESERVOIR 157
12 0802 BARR LAKE 104
13 0810 LAKE MEREDITH 85
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APPENDIX B
CONVERSION FACTORS
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CONVERSION FACTORS
Hectares x 2.471 = acres
Kilometers x 0.6214 = miles
Meters x 3.281 = feet
-A
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 COLORADO
02/20/76
LA
-------
TRIBUTARY FLOx INFORMATION FUh COLORADO
02/20/76
LA
-------
TRIBUTARY FLO« INFORMATION FOR COLORADO
03/20/76
LA
-------
APPENDIX D
PHYSICAL and CHEMICAL DATA
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STORET RETRIEVAL DATE 76/02/23
080601
39 36 30.0 106 01 22.0 3
DILLON RESERVOIR
08117 COLORADO
11EPALES 2111202
0075 FEET DEPTH CLASS 00
DATE
FROM
TO
75/08/25
75/10/09
TIME DEPTH
OF
DAY FEET
09 20 0000
09 20 0005
09 20 0030
09 20 0045
09 20 0071
14 50 0000
14 SO 0005
14 50 0023
14 50 0050
14 50 0075
00010
WATER
TEMP
CENT
12.6
12.4
10.1
7.5
6.1
11.2
11.1
11.0
10.4
9.5
00300
DO
MG/L
7.4
7.2
7.0
6.8
6.6
7.8
8.0
8.2
7.6
6.6
00077
TRANSP
SECCHI
INCHES
180
252
0009*
CNDUCTVY
FIELD
MICROHHO
97
94
82
85
87
100
100
100
100
00400
PH
so
7.60
7.70
7.40
7.20
7.20
7.40
7.60
7.60
7.50
7.40
00410
T ALK
CAC03
MG/L
40
40
40
39
41
48
52
53
59
57
00610
NH3-N
TOTAL
MG/L
0.020K
0.020K
0.020K
0.020
0.020
0.020K
0.020K
0.020K
0.020K
0.020K
00625
TOT KJEL
N
MG/L
0.200
0.300
0.300
0.200
0.200
0.200K
0.200K
0.200K
0.200K
0.200K
00630
N02&N03
N-TOTAL
MG/L
0.020K
0.020K
0.020K
0.040
0.050
0.020K
0.020K
0.020K
0.030
0.050
00b71
PHOS-DIS
ORTHO
MG/L P
0.002K
0.002K
0.002K
0.002K
0.002K
0.002K
0.002K
0.002K
0.002K
0.002K
TO
DAY FEET MG/L P
75/08/25 09 ?0 0000 0.009
09 20 0005 0.009
09 20 0030 0.008
09 20 0045 0.006
09 20 0071 0.006
75/10/09 14 50 0000 0.016
14 50 0005 0.012
14 50 0023 0.011
14 50 0050 0.011
14 50 0075 0.014
uJ,L
2.2
3.7
K VALUE KNOWN TO BE
LESS THAN INDICATED
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STORE! RETRIEVAL DATE 76/02/33
080602
39 35 00.0 106 03 00.0 3
DILLON RESERVOIR
08(17 COLORADO
DATE
FROM
TO
75/08/25
75/10/09
TIME DEPTH
OF
DAY FEET
09 45 0000
09 45 0005
09 45 0020
09 45 0038
09 45 0043
14 00 0000
14 00 0005
14 00 0023
14 00 0044
00010
WATER
TEMP
CENT
13.4
13.2
17.9
8.0
7.7
11.2
11.2
10.6
10.3
HEP ALES 2111202
0047 FEET DEPTH CLASS 00
00300
DO
MG/L
7
7
7
6
6
8
8
8
a
.6
.5
.6
.0
.0
.2
.0
.0
.0
00077
TRANSP
SECCHI
INCHES
204
206
00094
CNDUCTVV
FIELD
MICROMHO
97
97
95
87
87
97
94
94
94
00400
PH
SU
7.
7.
7.
7.
7.
7.
7.
7.
7.
55
75
90
55
35
60
75
80
80
00410
T ALK
CAC03
MG/L
40
40
41
41
41
47
49
48
48
00610
NH3-N
TOTAL
MG/L
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
00625
TOT
N
KJEL
MG/L
0
0
0
0
0
0
0
0
0
.200
.200K
.200
.200K
.200
.200K
.200
.200K
.200K
00630
N02&N03
N-TOTAL
MG/L
0.020K
0.020K
0.020K
0.030
0.040
0.020K
0.020K
0.020K
0.020K
00671
PHOS-DIS
ORTHO
MG/L P
0.002K
0.002
0.002K
0.002K
0.002K
0.007
0.006
0.003
0.002K
DATE
FROM
TO
75/08/25
75/10/09
TIME DEPTH
OF
DAY FEET
09 45 0000
09 45 0005
09 45 0020
09 45 0038
09 45 0043
14 00 0000
14 00 0005
14 00 0023
14 00 0044
00665
PHOS-TOT
MG/L P
0.008
0.010
0.009
0.007
0.008
0.013
0.015
0.012
0.012
32217
CHLRPHYL
A
UG/L
2.5
4.9
00031
INCDT LT
REMNING
PERCENT
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORET RETRIEVAL DATE 76/02/33
080603
39 35 00.0 106 04 07.0 3
DILLON RESERVOIR
08117 COLORADO
11EPALES
2111202
0044 FEET DEPTH CLASS
DATE
FROM
TO
75/08/25
75/10/09
DATE
FROM
TO
75/08/25
75/10/09
TIME DEPTH
OF
DAY FEET
10 15 0000
10 15 0005
10 15 0020
10 15 0040
14 30 0000
14 30 0005
14 30 0023
14 30 0055
TIME DEPTH
OF
DAY FEET
10 15 0000
10 15 0005
10 15 0020
10 15 0040
14 30 0000
14 30 0005
14 30 0023
14 30 0055
00010
WATER
TEMP
CENT
13.0
13.0
12.4
8.7
11.0
10.8
10.8
10.8
00665
PHOS-TOT
MG/L P
0.008
0.017
0.011
0.009
0.022
0.012
0.013
0.015
00300
DO
MG/L
7.2
7.2
7.0
6.2
7.8
7.8
7.8
8.0
32217
CHLRPHYL
A
UG/L
2.1
2.8
00077
TRANSP
SECCHI
INCHES
600 L
252
00031
INCDT LT
REMNING
PERCENT
00094
CNDUCTVY
FIELD
MICROMHO
96
96
94
89
100
100
100
100
00400
PH
SU
8.35
8.15
7.90
7.60
7.80
7.60
7.70
7.70
00410
T ALK
CAC03
MG/L
41
42
41
42
44
45
49
48
00610
NH3-N
TOTAL
MG/L
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
00
00625
TOT KJEL
N
MG/L
0.200K
0.200K
0.200K
0.200K
0.200K
0.200
0.200K
0.200K
00630
N02&N03
N-TOTAL
MG/L
0.020K
0.020K
0.020K
0.030
0.020K
0.020K
0.020K
0.020K
00671
PHOS-DIS
ORTHO
MG/L P
0.002K
0.002K
0.002K
0.002K
0.002
0.002
0.002K
0.002K
K VALUE KNOWN TO BE
LESS THAN INDICATED
L ACTUAL VALUE IS i\NO*N TO BE
GREATER THAN VALUE GIVEN
-------
STORET RETRIEVAL DATE 76/02/33
080604
39 36 22.0 106 03 45.0 3
DILLON RESERVOIR
16043 COLORADO
DATE
FROM
TO
75/08/25
75/10/09
TIME DEPTH
OF
DAY FEET
10 45 0000
10 45 0005
10 45 0037
10 45 0060
10 45 0105
13 15 0000
13 15 0005
13 15 0023
13 15 0045
13 15 0075
13 15 0120
13 15 0165
00010
WATER
TEMP
CENT
13.0
13.1
10.4
6.4
4.2
11.0
11.0
10.8
10.8
9.0
7.1
6.5
11EPALES
2111202
0109 FEET DEPTH CLASS
00300
DO
MG/L
7.6
7.3
6.8
6.8
6.9
7.8
7.6
8.0
7.8
5.8
6.2
6.6
00077
TRANSP
SECCHI
INCHES
252
600L
00094
CNOUCTVr
FIELD
MICROMHO
96
93
84
82
88
100
100
100
100
100
100
100
00400
PH
SU
7.80
7.70
7.40
7.20
7.00
7.80
7.85
7.85
7.80
7.60
7.50
7.60
00410
T ALK
CAC03
MG/L
40
41
40
40
45
39
38
49
41
43
45
44
00610
NH3-N
TOTAL
MG/L
0.020K
0.020K
0.020K
0.020
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
00
00625
TOT KJEL
N
MG/L
0.200K
0.200K
O.OOOK
0.200K
0.200K
0.200K
0.200K
0.200K
0.200K
0.200K
0.200K
0.200K
00630
NO2&N03
N-TOTAL
MG/L
0.020K
0.020K
0.020K
0.050
0.080
0.020
0.020K
0.020K
0.020K
0.090
0.120
0.080
00671
PHOS-D1S
ORTHO
MG/L P
0.002K
0.002K
0.002K
0.002K
0.002K
0.002K
0.002K
0.002K
0.002K
0.002K
0.002K
0.002K
DATE TIME DEPTH
FROM OF
TO DAY FEET
75/08/25 10 45 0000
10 45 0005
10 45 0037
10 45 0060
10 45 0105
75/10/09 13 15 0000
13 15 0005
13 15 0023
13 15 0045
13 15 0075
13 15 0120
13 15 0165
0665
S-TOT
i/L P
0.006
0.006
0.008
0.006
0.005
0.009
0.011
0.011
0.009
0.007
0.006
0.009
32217
CHLRPHYL
A
UG/L
2.4
4.6
00031
1NCDT LT
REMNING
PERCENT
K VALUE KNOWN TO BE
LESS THAN INDICATED
L ACTUAL VALUE IS KNOWN TO dE
GREATER THAN VALUE GIVEN
-------
APPENDIX E
TRIBUTARY AND WASTEWATER
TREATMENT PLANT DATA
-------
STORET RETRIEVAL DATE
DATE TIME DEPTH N02&N03
FROM OF
TO DAY FEET
74/09/28
74/11/24
74/12/18
75/01/19
75/02/23
75/03/22
75/05/03
75/06/12
75/07/09
75/07/27
75/08/14
75/08/23
13 10
II 45
11 30
10 00
08 30
12 40
09 00
14 00
15 05
10 30
10 17
10 22
0806A1
39 37 20.0 106 03 58.0 4
BLUE RIVER
08 7.5 FRISCO
0/OILLON RESERVOIR
SEC RO BSDG .1 HI N OF DILLON DAM
11EPALES 2111204
0000 FEET DEPTH CLASS 00
10630
I&N03
OTAL
IG/L
0.160
0.120
0.056
0.056
0.096
0.085
0.125
0.185
0.035
0.005
0.110
0.115
00625
TOT KJEL
N
MG/L
1.700
0.400
1.000
0.200
0.500
0.600
0.950
0.200
0.600
0.500
0.450
00610
NH3-N
TOTAL
HG/L
0.025
0.260
0.040
0.036
0.024
0.015
0.020
0.080
0.015
0.025
0.025
0.010
00671
PHOS-DIS
ORTHO
MG/L P
0.005
O.OOSK
0.008
O.OOSK
0.008K
0.005K
0.005
0.900
O.OOSK
0.005
0.005K
O.OOSK
00665
PHOS-TOT
MG/L P
0.005
0.010K
0.010K
0.010K
0.010K
0.010K
0.010K
0.010K
0.130
0.010K
0.010K
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORET RETRIEVAL DATE 76/02/24
0806A2
39 33 59.0 106 02 57.0 4
BLUE RIVER
08 7.5 FRISCO
T/DILLON RESERVOIR
SWAN MT «D BROG 3 HI E OF FRISCO
11EPALES 2111204
0000 FEET DEPTH CLASS 00
DATE TIME DEPTH N02&N03
FROM OF
TO DAY FEET
74/09/28
74/11/24
74/12/18
75/01/19
75/02/22
75/03/23
75/05/27
75/06/13
75/07/09
75/07/27
75/08/19
75/08/23
10 40
10 00
12 00
11 00
10 15
12 30
14 45
11 20
15 42
12 00
08 12
11 40
0630
'&M03
OTAL
IG/L
0.008
0.136
0.080
0.096
0.128
0.064
0.070
0.025
0.035
0.025
0.065
0.045
00625
TOT KJEL
N
MG/L
1.000
0.400
0.100K
0.100K
0.700
0.600
0.100
0.050
0.100
0.500
0.550
0.350
00610
NH3-N
TOTAL
MG/L
0.020
0.045
0.016
0.016
0.064
0.024
0.020
0.037
0.025
0.010
0.010
0.010
00671
PHOS-OIS
ORTHO
MG/L P
0.005K
0.015
0.008K
0.005K
O.OOBK
0.008
0.005
0.005
0.010
0.005K
0.005K
0.005K
00665
PHOS-TOT
MG/L P
0.005K
0.015
0.010K
0.010
0.010K
0.010K
0.010
0.010K
0.010K
0.030
0.010K
0.010K
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORE! RETRIEVAL DATE 76/02/24
080681
39 35 07.0 106 05 38.0 4
MEADOW CREEK
08 7.5 FRISCO
T/01LLON RESERVOIR
HtfY 9 8ROG .7 MI N OF FRISCO
11EPALES 3111304
0000 FEET DEPTH CLASS 00
DATE
FROM
TO
74/09/28
74/11/2*
74/12/17
75/05/04
75/05/27
75/06/13
75/07/09
75/07/27
75/08/19
75/08/23
TIME DEPTH
OF
DAY FEET
12 05
09 00
09 30
11 00
13 40
11 00
16 15
13 30
09 55
13 00
00630
N02&N03
N-TOTAL
MG/L
0.008
0.032
0.072
0.040
0.005
0.005
0.005
0.015
0.005
0.005
00625
TOT KJEL
N
MG/L
0.600
0.500
0.500
l.SOO
0.250
0.050
0.050K
1.400
1.050
1.050
00610
NH3-N
TOTAL
MG/L
0.015
0.025
0.040
0.035
0.020
0.015
0.015
0.015
0.015
0.015
00671
PHOS-DIS
ORTHO
MG/L P
0.015
0.015
0.056
0.010
0.005
0.005
0.010
0.005
0.005K
0.005K
00665
PHOS-TOT
MG/L P
0.020
0.056
0.020
0.020
0.010K
0.020
0.010
0.020
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORET RETRIEVAL DATE 76/02/24
DATE TIME DEPTH N02&NO3
FROM OF
TO DAY FEET
74/09/28
74/11/24
74/12/17
75/01/19
75/02/22
75/03/23
75/05/05
75/05/27
75/06/13
75/07/09
75/07/27
75/08/19
75/08/23
11 25
09 15
10 00
10 30
09 50
11 00
11 15
13 54
11 10
16 00
13 00
09 31
12 30
0806C1
39 34 37.0 106 05 26.0 4
TENMILE CREEK
08 7.5 FRISCO
T/DILLON RESERVOIK
BNK NEAR UNMPRVD ftD .6 MI E OF RT 6 JCT
11EPALES 2111204
0000 FEET DEPTH CLASS 00
10630
!&NO3
OTAL
IG/L
0.104
0.144
0.192
0.224
0.208
0.220
0.155
0.890
0.055
0.135
0.050
0.070
0.060
00625
TOT KJEL
N
MG/L
1.400
0.500
0.100K
0.100
0.300
0.800
0.775
1.600
0.350
0.400
0.700
0.850
0.700
00610
NH3-N
TOTAL
MG/L
0.025
0.020
0.024
0.016
0.024
0.010
0.020
0.650
0.020
0.075
0.060
0.015
0.015
00671
PHOS-DIS
ORTHO
MG/L P
O.OOSK
0.005K
O.OOSK
O.OOSK
0.008K
O.OOSK
O.OOSK
O.OOSK
O.OOSK
0.005
O.OOSK
O.OOSK
O.OOSK
00665
PHOS-TOT
MG/L P
0.030
0.010K
0.010K
0.010K
0.010K
0.010K
0.010K
0.080
0.020
0.030
0.050
0.010K
0.010K
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORET RETRIEVAL DATE 76/02/34
DATE TIME DEPTH N02&NO3
FROM OF
TO DAY FEET
74/09/28
74/11/3*
74/12/17
75/01/19
75/02/22
75/03/23
75/05/04
75/05/27
75/06/13
75/07/09
75/07/27
75/08/19
75/08/23
10 00
09 30
11 00
11 20
10 30
13 10
13 00
14 02
11 30
15 55
12 50
09 21
12 05
080601
39 34 27.0 106 05 20.0 4
MINERS CREEK
08 7.5 FRISCO
T/DILLON RESERVOIR
HriY 9 BRDG .1 MI E OF FRISCO
11EPALES 2111204
0000 FEET DEPTH CLASS 00
10630
*NO3
OTAL
IG/L
0.024
0.064
0.064
0.056
0.056
0.050
0.065
0.015
0.025
0.030
0.020
0.020
0.015
00625
TOT KJEU
N
MG/L
0.900
1.100
0.100K
0.100K
1.200
0.150
0.350
0.250
0.050K
0.050
1.200
0.250
0.650
00610
NH3-N
TOTAL
MG/L
0.020
0.020
0.016
0.008
0.024
0.005K
0.015
0.015
0.010
0.010
0.015
0.005
0.017
00671
PHOS-DIS
ORTHO
MG/L P
0.005K
0.005K
0.008K
0.005K
0.008K
0.005K
0.005K
0.005K
0.005K
0.010
0.005
0.005K
0.005K
00665
PHOS-TOT
MG/L P
0.005K
0.010K
0.010K
0.010K
0.020
0.010K
0.010
0.020
0.010K
0.010
0.140
0.010K
0.010K
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORET RETRIEVAL DATE 76/02/24
DATE TIME DEPTH N02&N03
FROM OF
TO DAY FEET
74/09/28
74/11/24
74/12/18
75/01/19
75/03/22
75/05/05
75/05/27
75/06/13
75/07/09
75/07/27
75/08/19
75/08/23
13 45
11 15
11 00
09 15
11 15
10 00
14 45
10 45
15 25
11 00
10 57
11 15
0606F1
39 36 16.0 106 00 25.0 4
SNAKE RIVER
08 7.5 FRISCO
T/DILLON RESERVOIR
BNK 100 FT N OF UNPVD RO 3.3 M SE DILLON
11EOALES 2111204
0000 FEET DEPTH CLASS 00
0630
&N03
OTAL
IG/L
0.072
0.112
0.120
0.120
0.120
0.090
0.065
0.075
0.075
0.080
0.050
0.040
00625
TOT KJEL
N
MG/L
0.800
0.500
0.400
0.100K
0.050K
0.050
0.300
0.600
0.050K
2.700
0.100
0.350
00610
NH3-N
TOTAL
MG/L
0.020
0.015'
0.024
0.016
0.005
0.015
0.020
0.020
0.045
0.025
0.005
0.005
00671
PHOS-OIS
ORTHO
MG/L P
0.005K
0.005K
0.008K
0.005K
0.005
0.005K
0.005
0.005K
0.010
0.005K
0.005K
0.005K
00665
PHOS-TOT
MG/L P
0.005K
0.010K
0.010K
0.0 10K
0.010
0.010K
0.030
0.010K
0.010
0.920
0.010K
0.010K
K VALUE KNOrfN TO BE
LESS THAN INDICATED
-------
STOHET RETRIEVAL DATE 76/02/24
DATE TIME DEPTH N02&N03
FROM OF
TO DAY FEET
74/09/29
74/11/24
74/12/18
75/01/19
75/03/22
75/05/27
75/06/12
75/07/27
75/08/19
75/08/23
10 30
12 30
12 15
12 30
12 15
15 55
13 40
12 30
12 01
15 07
060661
39 40 45.0 106 04 55.0 4
DUSHEE CREEK
08 7.5 DILLON
T/DILLON RESERVOIR
BNK 100 FT OFF UMPrtVD RD .8 H ENE HrfV 9
11EPALES 2111204
0000 FEET DEPTH CLASS 00
10630
I&N03
OTAL
IG/L
0.032
0.040
0.040
0.040
0.032
0.010
0.020
0.015
0.005
0.010
00625
TOT KJEL
N
MG/L
0.100K
0.300
0.500
0.100
0.600
0.150
0.050K
3.400
0.150
0.150
00610
NH3-N
TOTAL
MG/L
0.010
0.005
0.032
0.008
0.024
0.015
9.015
0.010
0.005K
0.005K
00671
PHOS-DIS
ORTHO
MG/L P
0.005K
0.005K
0.016
0.005K
0.008K
0.005K
0.005K
0.005K
0.005K
0.005K
00665
PHOS-TOT
MG/L P
O.OOSK
0.010K
0.016
0.010K
0.010K
0.010
0.010K
0.090
0.010K
0.010K
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORET RETRIEVAL DATE 76/02/24
DATE TIME DEPTH N02&N03
FROM OF
TO DAY FEET
74/09/29 12 45
75/05/04 13 00
75/05/27 16 25
75/06/12 14 25
75/08/23 15 33
0806H1
39 39 00.0 106 01 15.0 4
UNNAMED CREEK
08 7.5 DILLON
T/OILLON RESERVOIR
170 XING 3 MI NE HrfY 9 INTERCHANGE
11EPALES 2111204
0000 FEET DEPTH CLASS 00
0630
&N03
OTAL
IG/L
0.024
0.145
0.025
0.035
0.010
00625
TOT KJEL
N
MG/L
0.100K
0.450
0.350
0.050K
0.100
00610
NH3-N
TOTAL
MG/L
0.020
0.015
0.020
0.015
0.005K
00671
PHOS-DIS
ORTHO
MG/L P
0.005K
0.005K
0.005K
0.005K
0.005K
00665
PHOS-TOT
MG/L P
0.005K
0.060
0.010K
0.010K
0.010K
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORET RETRIEVAL DATE 76/02/34
DATE TIME DEPTH N02&N03
FROM OF
TO DAY FEET
74/09/29 11 30
74/11/84 11 OS
75/05/27 15 20
75/06/13 10 25
75/07/27 15 35
75/08/23 10 50
0806J1
39 37 00.0 106 02 40.0 4
HAROLD D ROBERTS TUNNEL
08 7.5 FRISCO
T/OILLON RESERVOIR
tf PORTAL ON SEC RD 1 HI M OF
11EPALES 2111204
0000 FEET DEPTH CLASS 00
1-6 JCT
10630
I&N03
OTAL
IG/L
0.200
0.224
0.075
0.090
0.015
0.175
00625
TOT KJEL
N
MG/L
0.100K
0.500
0.150
0.150
1.150
0.150
00610
NH3-N
TOTAL
MG/L
0.010
0.025
0.015
0.025
0.010
0.020
00671
PHOS-DIS
ORTHO
MG/L P
0.005K
0.010
0.005K
0.005
0.005K
0.005K
00665
PHOS-TOT
MG/L P
0.005K
0.010K
0.020
0.010K
0.030
0.010
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORET RETRIEVAL DATE 76/02/2*
00630
DATE TIME DEPTH N02&N03
FROM OF N-TOTAL
TO DAY FEET MG/L
75/05/1*. 11
0.400
0806AA ASOB06AA
39 26 30.0 106 02 15.0 4
S. BLUE RIVER
08 7.5 BRECKENtflOGE
T/DILLION RES.
BLUE RIVER
11EPALES 214120*
0000 FEET DEPTH CLASS 00
P000015
00625
TOT KJEL
N
MG/L
0.500
00610
NH3-N
TOTAL
MG/L
0.110
00671
PHOS-OIS
ORTHO
MG/L P
0.050K
00665
PHOS-TOT
MG/L P
0.100K
50051
FLOW
RATE
1NST MGD
50053
CONDUIT
FLOW-MOD
MONTHLY
\
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORE! RETRIEVAL DATE 76/08/2*
DATE TIME DEPTH N02i,N03
FROM OF
TO DAY FEET
75/03/26 10 15
75/04/23 12 10
75/05/14 10 15
75/06/14
75/07/09 11 00
75/09/04 12 20
0806AU AS0806AB
39 22 50.0 106 03 55.0 4
MCD ILL-PL ACER
08 7.5 8SECKENRIDGE
T/DILLION r*ES.
BLUE RIVER
11EPALES 2141204
0000 FEET DEPTH CLASS 00
P000015
10630
I&N03
OTAL
IG/L
0.123
0.200
0.750
0.275
0.075
0.050
00625
TOT KJEL
N
MG/L
8.000
3.100
0.500K
0.500
24.000
5.200
00610
NH3-N
TOTAL
MG/L
0.160
0.180
0.100
0.037
0.075
0.025K
00671
PHOS-DIS
ORTHO
MG/L P
1.040
0.650
0.120
0.100
0.095
0.433
00665 50051
PHOS-TOT FLOW
RATE
MG/L P INST MGD
1.900
1.000
0.150 0.001
0.100K
0.500K
1.000
50053
CONDUIT
FLOM-MGO
MONTHLY
0.001
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORCT RETRIEVAL DATE 76/02/34
0806AC AS0806AC
39 25 00.0 106 02 40.0 4
SHANGRI-LA INN
08 7.5 BRECKENRIOGE
T/OILLIDN RES.
BLUE RIVER
11EPALES 2141204
0000 FEET DEPTH CLASS 00
P000040
DATE
FROM
TO
75/01/29
75/03/26
75/05/1*
75/06/14
75/07/08
75/07/09
75/08/05
75/09/26
TIME DEPTH
OF
DAY
11
11
10
11
15
11
10
11
FEET
00
45
00
10
30
30
00
00
00630
N02&N03
N-TOTAL
MG/L
10.800
0.021
0.050
0.050
0.050
0.025
0.025
0.025
00625
TOT KJEL
N
MG/L
34.000
38.000
37.500
16.000
24.000
23.000
22.000
8.100
00610
NH3-N
TOTAL
MG/L
0.270
13.200
21.000
5.300
9.500
8.500
4.250
0.230
00671
PHOS-DIS
ORTHO
MG/L P
3.400
3.680
7.700
2.600
3.500
3.800
1.950
1.950
00665
PHOS-TOT
MG/L P
6.900
5.100
8.900
4.100
5.600
5.200
4.000
2.700
50051 50053
FLOW CONDUIT
RATE FLOrt-MGD
1NST MOD MONTHLY
0.004 0.006
0.012 0.012
-------
STORET RETRIEVAL DATE 76/02/24
0806CA P00806CA
39 31 00.0 106 08 45.0 4
COPPER Wf.
08 7.5 VAIL-PASS
T/OILLION RES.
TESMILE -CREEK
11EPALES 2141204
0000 FEET DEPTH CLASS 00
DATE
FROM
TO
75/03/18
75/04/15
75/05/12
75/07/23
75/08/05
75/08/19
75/09/02
75/09/16
75/10/29
75/12/15
TIME DEPTH
OF
DAY FEET
10 00
11 00
11 00
11 00
13 00
11 00
10 00
09 10
09 35
11 00
00630
N02&N03
N-TOTAL
MG/L
10.600
1.600
2.600
4.700
10.000
11.000
7.500
15.400
14.000
0.150
00625
TOT KJEL
N
MG/L
l.OOOK
23.000
3.100
3.100
2.100
0.750
2.000
1.800
4.300
26.000
00610
NH3-N
TOTAL
MG/L
0.357
0.520
0.078
1.080
0.275
0.160
0.150
0.250
0.560
14.500
00671
PHOS-DIS
ORTHO
MG/L P
0.200
0.270
0.238
1.200
0.170
0.200
0.175
0.740
3.100
1.720
00665
PHOS-TOT
MG/L P
3.100
0.360
0.4SO
1.400
0.340
0.230
0.300
1.100
9.300
2.400
50051
FLOW
RATE
INST MGD
0.040
0.060
0.060
0.080
0.040
0.030
0.060
0.020
0.030
0.050
50053
CONDUIT
FLOW-MOD
MONTHLY
0.070
0.070
0.070
0.090
0.040
0.040
0.040
0.040
0.020
0.070
P0011SO
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORE! RETRIEVAL DATE 76/02/24
0806EA AS0806EA
39 34 50.0 106 05 45.0 4
FRISCO
08 7.5 FRISCO
T/DILLION RES.
MINERS CREEK
11EPALES 2141204
0000 FEET DEPTH CLASS 00
P000700
DATE
FROM
TO
74/12/31
CPU>-
74/12/31
75/01/30
CP-
75/01/30
75/02/28
CP(T)-
75/02/28
75/03/29
CP-
75/03/29
75/04/30
CP < T > -
75/04/30
75/05/21
CP ( T ) -
75/05/21
75/06/11
CP(T>-
75/06/11
75/07/02
CP(T>-
75/07/02
75/07/23
CP ( T ) -
75/07/23
75/08/14
CP(T)-
75/08/14
75/09/05
CP(T>-
75/09/05
75/09/24
CP ( T > -
75/09/24
00630 00625
TIME DEPTH N02&N03 TOT KJEL
OF N-TOTAL N
DAY FEET MG/L MG/L
11
16
11
16
11
16
11
16
11
16
11
16
11
16
11
16
11
16
11
16
11
16
11
16
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
00
12.
0.
13.
13.
11.
9.
10.
13.
10.
6.
5.
11.
800
160
000
800
500
900
500
000
000
BOO
300
500
2.700
2.700
4.100
1.800
4.200
3.600
2.300
3.800
2.000
4.700
6.600
3.600
00610 00671 00665 50051 50053
NH3-N PHOS-DIS PHOS-TOT FLOW CONDUIT
TOTAL ORTHO RATE FLOtf-MGD
MG/L MG/L P MG/L P INST MGD MONTHLY
0.660
6.400
0.420
0.520
0.140
0.100
0.460
0.370
0.420
0.460
0.110
0.090
7.200
0.210
5.600
5.100
6.400
5.800
5.250
4.300
7.400
7.000
8.100
6.000
7.
7.
6.
5.
7.
5.
5.
4.
7.
7.
8.
8.
400
600
200
100
000
800
900
300
800
400
900
400
0.125
0.115
0.230
0.275
0.230
0.200
0.185
0.202
0.196
0.235
0.165
0.186
0.100
0.120
0.175
0.240
0.225
0.190
0.200
0.196
0.192
0.218
0.186
0.197
-------
STORET RETRIEVAL DATE 76/02/3*
0806EA
39 34 50.0
FRISCO
OS 7.5 FRISCO
T/DILLION RES.
MINERS CREEK
11EPALES
0000 FEET DEPTH
AS0806EA
106 05 45.0 4
P000700
CLASS 00
DATE
FROM
TO
TIME
OF
DAY
DEPTH
FEET
00630
N02&N03
N-TOTAL
MG/L
00625
TOT KJEL
N
MG/L
00610
NH3-N
TOTAL
MG/L
00671
PHOS-DIS
ORTHO
MG/L P
00665
PHOS-TOT
MG/L P
50051
FLOW
RATE
INST MGD
50053
CONDUIT
FLOW-MGD
MONTHLY
75/10/15 11 00
CP(T>-
75/10/15 16 00
13.200
3.600
0.175
8.500
8.700
0.160
0.167
-------
STORET RETRIEVAL DATE 76/02/24
0806FB P00806FB
39 35 45.0 106 00 40.0 4
SUMMIT CO. Ph.O
08005 7.5 KEYSTONE
T/DILLON RES.
SNAKE RIVER
HEPALES 214120*
0000 FEET DEPTH CLASS 00
P001600
00630
•2&N03
TOTAL
HG/L
3.360
0.560
0.160
2.000
7.800
6.300
0.400
1.570
12.600
2.500
8.400
5.400
00625
TOT KJEL
N
MG/L
11.000
13.000
7.500
6.000
4.000
3.900
1.300
1.400
3.400
2.300
4.100
2.800
00610 00671 00665 50051 50053
NH3-N PHOS-DIS PHOS-TOT FLOW CONDUIT
TOTAL ORTHO RATE FLOW-MOD
MG/L HG/L P MG/L P INST MOD MONTHLY
8.600 .
6.900
0.270
0.260
2.800
2.000
0.050K
0.087
0.810
0.100
0.240
0.075
0.100
0.090
0.095
0.012
0.079
0.072
0.050K
0.039
0.050
0.100
0.038
0.055
0.130
0.100K
0.200
0.220
0.100
0.100K
0.100K
0.1SO
0.220
0.100K
1.300
0.190
0.100
0.150
0.180
0.180
0.175
0.160
0.035
0.100
0.075
0.070
0.120
0.051
0.100
0.200
0.180
0.250
0.200
0.110
0.040
0.180
0.085
0.072
0.130
0.053
K VALUE KNOWN TO BE
LESS THAN INDICATED
-------
STORET RETRIEVAL DATE 76/02/24
0806FB
39 35 45.0
PU0806FB
106 00 40.0 4
P001600
SUMMIT CO. Ph.D.
08005 7.5 KEYSTONE
T/OILLON RES.
SNAKE RIVER
00630
DATE TIME DEPTH N02&N03
FROM OF N-TOTAL
TO DAY FEET MG/L
11EPALES 2141204
0000 FEET DEPTH CLASS 00
00625
TOT KJEL
N
MG/L
00610
NH3-N
TOTAL
MG/L
00671
PHOS-DIS
ORTriO
MG/L P
00665
PHOS-TOT
MG/L P
50051
FLOW
RATE
INST MOD
50053
CONDUIT
FLOri-MGD
MONTHLY
75/11/02 09 00
CP
-------
STORE! RETRIEVAL DATE 76/02/24
0806XA P00806XA
39 35 45.0 106 00 40.0 4
SUMMIT COVE
08123 7.5 FRISCO
T/OILLION rtES.
SODA CREEK
11EPALES 2141204
0000 FEET DEPTH CLASS 00
P006000
DATE
FROM
TO
75/01/02
CP(T>-
75/01/02
75/02/03
CP(T>-
75/02/03
75/03/03
cpm-
75/03/03
75/04/08
CP(T)-
75/04/08
75/04/29
CP < T ) -
75/04/29
75/05/19
75/06/09
CP ( T ) -
75/06/09
75/07/01
CP ( T ) -
75/07/01
75/08/11
CP(T)-
75/08/11
75/09/03
CP(T)-
75/09/03
75/09/24
CP(T>-
75/09/24
75/10/15
CP ( T ) -
75/10/15
75/11/02
CP-
75/11/02
00630 00625
TIME DEPTH N02&N03 TOT KJEL
OF N- TOTAL N -
DAY FEET MG/L MG/L
08 30
0.080 23.500
16 00
08
16
08
16
08
15
08
15
09
IS
09
14
08
15
09
15
09
15
08
30
00
00
00
30
30
30
30
30
30
00
30
30
45
00
30
00
30
30
0.
0.
1.
2.
0.
3.
0.
0.
0.
0.
240
080
840
500
700
150
125
100
050
050
0.200
14
09
15
30
00
00
13.
200
18.000
13.000
5.100
3.700
10.500
5.400
9.200
21.000
6.400
10.500
6.100
1.800
00610 00671 00665 50051 50053
NH3-N PHOS-OIS PHOS-TOT FLOW CONDUIT
TOTAL ORTHO RATE FLOw-MGD
MG/L MG/L P MG/L P INST MGD MONTHLY
18.000 2.900 4.300 0.050
8.900
0.130
0.290
0.050K
3.700
1.800
2.400
6.600
3.000
1.150
4.400
0.275
0.061
0.080K
0.009
0.050K
0.050K
0.050K
0.025K
0.065
0.058
0.050
0.100
0.050
0.
0.
0.
1.
0.
0.
0.
1.
1.
3.
0.
0.
900
100
100
100
230
280
170
700
100
500
160
100K
0.040
0.050
0.035
0.018
0.019
0.030
0.024
0.032
0.023
0.031
0.021
0.040
0.050
0.050
0.020
0.020
0.025
0.020
0.025
0*036
0.036
0.029
K VALUE KNOWN TO BE
LESS THAN INDICATED
------- |