U.S. ENVIRONMENTAL PROTECTION AGENCY
           NATIONAL EUTROPHICATION SURVEY
                    WORKING PAPER SERIES
                                         REPORT
                                          ON
                                     HUNTINGTDN U\KE
                                       BEFY COUNTY
                                          UTAH
                                     EPA REGION VIII
                                   WORKING PAPER No, 840
 CORVALLIS ENVIRONMENTAL RESEARCH LABORATORY - CORVALLIS, OREGON
                             and
ENVIRONMENTAL MONITORING & SUPPORT LABORATORY - LAS VEGAS, NEVADA

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                              ON
                       HIMINGTON LAI€
                             UTAH
                       EPA mm vni
                    WORKING PAPER No,  840
      THE COOPERATION OF THE
UTAH STATE DIVISION OF HEALTH
          AND THE
    UTAH NATIONAL GUARD
       NOVEMBER, 1977

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                               CONTENTS
                                                             Page
  Foreward                                                    ii
  List of Utah Study Lakes and Reservoirs                     iv
  Lake and Drainage Area Map                                   v

  Sections
  I.  Introduction                                             1
 II.  Conclusions                                              1
III.  Lake end Drainage Basin Characteristics                  2
 IVo  Watar Quality Summary                                    3
  V.  Literature Reviewed                                      7
 VI.  Appendices                                               8

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                                 ii
                          FOREWORD
    The National Eutrophication Survey was initiated in 1972 in
response to an Administration commitment to investigate the nation-
wide threat of accelerated eutrophication to 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)]j  clean lakes [§314(a,b)j,
and-water quality monitoring [§106 and §305(b)] activities mandated
by the Federal  Water Pollution Control  Act Amendments of 1972.

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                                11 i
     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 and Development, U.S. Environmental Protection Agency)
expresses sincere appreciation to the Utah Department of Social
Services and the Utah Department of Natural  Resources for pro-
fessional involvement, to the Utah National  Guard for conducting
the tributary sampling phase of the Survey,  and to  those Utah
wastewater treatment plant operators who voluntarily provided
effluent samples and flow data.

     The staffs of the Bureau of Water Quality of the Division
of Health and the Division of Wildlife Resources provided inval-
uable 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 Maurice L. Watts, the'Adjutant General of Utah,
and Project Officer Lt. Colonel T. Ray Kingston, who directed the
volunteer efforts of the Utah National "Guardsmen, are also grate-
fully acknowledged for their assistance to the Survey.

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                                  IV

                  NATIONAL EUTROPHICATION SURVEY

                    STUDY LAKES AND RESERVOIRS
                          STATE OF UTAH
NAME

Bear
Deer Creek
Echo
Fish
Flaming Gorge

Huntington
Joes Valley
Lower Bowns
Lynn
Minersville
Moon
Navajo
Newcastle
Otter Creek
Panguich
Pelican
Pineview
Piute
Porcupine
Powell

Pruess
Sevier Bridge
Starvation
Steinaker
Tropic
Utah
Willard Bay
COUNTY

Rich, UT; Bear Lake, ID
Wasatch
Summit
Sevier
Daggett, UT;
 Sweetwater, WY
Emery
Emery
Garfield
Box Elder
Beaver
Duchesne
Kane
Iron
Piute
Garfield
Uintah
Weber
Piute
Cache
Garffeld, Kane, San
 Juan, UT; Coconino, AZ
Mi Hard
Juab, Sanpete
Duchesne
Uintah
Garfteld
Utah
Box Elder

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                                                c..

  \
i   /
 s  /
  \ \
            HUNTINGTON LAKE

                X  Lake Sampling Site
        f


   ^•\
         \ V
         \

    •-...A-
                                                  39*21'•*
                                                      |


                                                      \|
                                                  39»20'
                                             Utah
                                          Map Location
                                \
                                    \
                                      \
                                          \
111*58'
                         111*57'
\.

  \

    V
nrse'  '••«
                                                   39*1 y-

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                              HUNTINGTON LAKE
                              STORE! NO. 4907
 I.  INTRODUCTION
     Huntington Lake was Included in the National  Eutrophication Survey
 as a water body of interest to the Utah Bureau of Environmental  Health.
 Tributaries and nutrient sources were not sampled,  and this report
 relates only to the lake sampling data.
II.  CONCLUSIONS
     A.   Trophic Condition:
             Survey data indicate that Huntington  Lake is early meso-
         trophic.  It ranked fourth in overall  trophic quality when the
         27 Utah lakes and reservoirs sampled in 1975 were compared
         using a combination of six parameters*.   Six of the water
         bodies had less median total phosphorus,  eight had less and
         one had the same median dissolved orthophosphorus, none had
         less and ten had the same median inorganic  nitrogen,  two had
         less mean chlorophyll a_, and eight had greater roean Secchl
         disc transparency.
             Survey limnologists noted submerged macrophytes on each
         sampling occasion.
     B.   Rate-Limiting Nutrient:
             Because of nutrient changes in the samples, the algal  assay
         results are not considered representative of conditions in the
         lake at the times the samples were collected.  The lake data
         indicate nitrogen limitation at all  sampling times.
 * See Appendix A.

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III.   LAKE AND DRAINAGE BASIN CHARACTERISTICS1"
                     j.j,
      A.   Morphometry  :
          1.   Surface area:   0.93 kilometers2.
          2.   Mean depth:   5.2 meters.
          3.   Maximum depth:   17.0 meters.
          4.   Volume:  5.982  x 106 m3.
      B.   Precipitation*:
          1.   Year of sampling:  24.7 centimeters.
          2.   Mean annual:  26.2 centimeters.
  t Table of metric equivalents—Appendix B.
  •H- Sudweeks,  1975.
  * See Working Paper No.  175,  "...  Survey Methods,  1973-1976",

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                                      3
IV.   WATER QUALITY SUMMARY
     Huntlngton Lake was sampled three 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 a single station on the  lake (see map,  page v).
 During each visit, a depth-integrated (4.6 in or near bottom to  sur-
 face) sample was collected for phytoplankton identification and
 enumeration, and a similar sample was collected for chlorophyll  a^
 analysis.  During the first and last visits, 18.9-liter depth-
 integrated samples were collected for algal assays.   The maximum
 depth sampled was 6.1 meters.
     The sampling results are presented in full  in Appendix C and are
 summarized iR'the following table.

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                             A. SUMMARY OF PHYSICAL AND CHEMICAL CHARACTERISTICS FOR HUNTINGTON NORTH RESERVOIR
                                                         STORET CODE 4907
PARAMETER


TEMP  (C)


DISS OXY  (MG/L)


CNDCTVY  (MCROMO)


PH  (STAND UNITS)


TOT ALK  (MG/L)


TOT P  (MG/L)


iORTHO P  (MG/L)


N02+N03  (MG/L)


AMMONIA  (MG/L)


KJEL N  (MG/L)


INORG N  (MG/L)


TOTAL N  (MG/L)


CHLRPYL  A  (UG/L)


SECCHI  (METERS)
       1ST SAMPLING (  5/13/75)


             1  SITES


     RANGfc.        MEAN   MEDIAN


 10.3  -  11.8     11.1    11.2


  8.8  -   9.7      9.?     9.3


 382.  -  399.     392.    394.


  8.5  -   8.5      8.5     8.5


 300.  -  204.     202.    203.


0.013  - 0.017    0.015   0.015


0.012  - 0.014    0.013   0.012


0.020  - 0.020    0.020   0.020


0.030  - 0.040    0.033   0.030


0.200  - 0.400    0.300   0.300


0.050  - 0.06C    0.053   0.050


0.220  - 0.420    0.320   0.320


  1.9  -   1.9      1.9     1.9


  3.0  -   3.0      3.C     3.0
                                                                   2ND SAMPLING ( 8/12/75)


                                                                         1 SITES
     RANGE


 19.6  -  20.2


  8.0  -   8.2


 438.  -  441.


  8.5  -   8.6


 152.  -  160.


0.013  - 0.016


0.002  - 0.005


0.020  - 0.020


0.020  - 0.020


0.400  - 0.400


0.040  - 0.040


0.420  - 0.420


  2.7  -   2.7


  2.7  -   2.7
MEAN
19.8
8.1
440.
8.6
156.
0.014
0.004
0.020
0.020
0.400
0.040
0.420
2.7
2.7
MEDIAN
19.7
8.0
440.
8.6
155.
0.013
0.004
0.020
0.020
0.400
0.040
0.420
2.7
2.7
       3RD SAMPLING ( 9/24/75)


             1 SITES


     HANGE        MEAN   MEDIAN


 18.2  -  18.3    18.3    18.3


  7.2  -   8.2     7.7     7.6


 329.  -  341.    334.    331.


  8.5  -   8.5     8.5     8.5


 160.  -  306.    209.    161.


0.012  - 0.019   0.015   0.013


0.002  - 0.010   0.005   0.004


0.020  - 0.020   0.020   0.020


0.020  - 0.020   0.020   0.020


0.400  - 0.600   0.467   0.400


0.040  - 0.040   0.040   0.040


0.420  - 0.620   0.487   0.420


  1.1  -   1.1     1.1     1.1


  2.4  -   2.4     2.4     3.4

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B.  Biological characteristics:

    1.  Phytoplankton -
C.
        Sampling
        Date

        05/13/75
        08/12/75
        09/24/75
    2.  Chlorophyll a_ -

        Sampling
        Date
                          Dominant
                          Genera

                          1.  Ankistrodesmus sp.
                          2.  Chroomonas (?) sp.
                          3.  Cryptomonas sp.
                          4.  Synedra sp.

                                      Total

                          1.  Cyclotella sp.
                          2.  Aphanocapsa sp.
                          3.  Achnanthes sp.
                          4.  Crucigem'a sp.
                          5.  Cryptomonas sp.

                                      Total

                          1.  Cryptomonas sp.
                          2.  Chroomonas (?) sp_.
                          3.  Mallomonas sp.

                                      Total
                          Station
                          Number
Algal Units
per ml

   182
   182
    91
    45

   500

    47
    39
    31
    31
    16

   164

   333
   133
    33

   499
Chlorophyll a
    05/13/75                 1                           1.9

    08/12/75                 1                           2.7

    09/24/75                 1                           1.1

Limiting Nutrient Study:

    Significant nutrient changes occurred in the samples during

shipment to the laboratory, and the algal assay results are not

considered indicative of conditions in the lake at the times the

samples were taken (05/13/75 and 09/24/75).

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                             6
    The lake data Indicate nitrogen limitation at each sampling
time; i.e., the mean inorganic nitrogen/orthophosphorus ratios
were 10/1 or less, and nitrogen limitation would be expected.

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V  LITERATURE REVIEWED

   Sudweeks, Calvin K., 1975.  Personal communication  (lake rnor-
       phometry).  UT Bur. of Env. Health, Salt Lake City.

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VI.  APPENDICES
                                   8
                                   APPENDIX A
                                  LAKE RANKINGS

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-v i "•>?,'«•» ^ A -Klj
             LAKE JATA TO Bi' US£0 IN RANKINGS
             v-*.i^c
             CODc  LAKE NAriE
             G40d  LAKE POWELL
             4«*01  BEAR LAKE
             4902  LOWER BOtfN'S RESERVOIR
             4903  DEER CREEK RESERVOIR
             <*904  ECHO RESERVOIR
             4,05  LYNN RESERVOIR
             490fc  FISH LAKE
             4907  HUNTINC,TON NORTH RESERVO
             4938  JOE'S VALLEY RESERVOIR
             4909  MINcRSVlLLE RESERVOIR
             4910  MOON LAKE
             4911  NAVAJO LAKE
             4912  NEWCASTLE RESERVOIR
             4913  OTTER CREEK RESERVOIR
             4914  PAr.'SUlTCH LAKE
             4915  PELICAN LAKE
             4916  PINEVIEW RESERVOIR
             4917  PIUT£ RESERVOIR
             491S  PORCUPINE RESERVOIR
             4919  PRUESS RESERVOIR (GARRIS
             4920  SEVIER BRIDGE RESERVOIR
             4921  STARVATION RESERVOIR
             4922  STEINAKER RESERVOIR
             4923  TROPIC RESERVOIR
             4924  UTAH LAKE
             4925  WILLARD BAY RESERVOIR
             5a05  FLAMING.GORGE RESERVOIR
MEDIAN
TOTAL P
0.010
0.011
0.031
0.038
0.047
0.121
0.023
0*013
0.012
0.192
0.008
0.016
0.051
0.067
0.071
0.044
0.028
0.047
0.025
Oc057
0.026
0.016
0.011
0.021
0.132
0.044
0.011
MEDIAN
INORG N
Q.410 •
0.040
0.040
0.215
0.170
0.200
0.040
0.040
0.045
0.060
0.040
0.040
0.040
0.040
0.040
0.050
0.300
0.150
0.110
0.140
0.355
0.040
0.040
0.050
0.320
0.060
0.690
500-
MEAN SEC
339.630
253.167
336.000
430.333
450.333
417.667
152.000
392.000
400.000
445.000
381.000
368.000
428.667
453.667
426.500
438.500
435.083
482.625
440.000
491.000
449.778
394.583
316.750
425.000
490«583
457.182
285.636
MEAN
CHLORA
3.081
0.945
5.567
9.078
6.967
39.600
12.483
1.900
2.483
33.583
2.700
2.000
12.467
11.767
45.950
6.350
5.692
25.329
7.860
4.533
18.222
5.675
1.844
7.200
72.012
7.5£7
2.500
15-
MIN DO
13.800
9.200
9.400
14.800
14.000
10.400
10.400
7.800
11.200
8.600
9.600
6.000
13.600
10.600
14.200
8.400
14.600
11.600
12.400
8.800
12.400
13.200
12.600
8.400
11.400
11.000
. 10.400.
MEDIAN
OISS ORTHO P
0.007
0.003
0.006
0.006
0.012
0.052
0.004
0.005
0.003
0.107
0.002
0.003
0.009
0.033
0.010
0.004
0.006
0.007
0.011
0.008
0.008
0.004
0.005
0.006
0.012
0.009
0.003

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PERCENT CF LAKES 8JTH HEGHER VALUES «NU;-;S£R CF LAKES KiYH HIGHER WALUESJ
LAKE
CODE  LAK£: NAME
Cl4Ud  LAKE FO«ELL
4901  BEAR LAKE
4902  LCMER BOri.Ni'S RESERVOIR
4903  OEER CREEK RESERVOIR
4904  ECHO RESERVOIR
4905  LYNN RESERVOIR
4906  FISH LAKE
4907  r.UNTINGTGN NORTH RESERVO
4903  JOE'S VALLEY RESERVOIR
4909  MINERSVILLE RESERVOIR
4910  MOON LAKE
4911  NAVAJO LAKE
4912  NEWCASTLE RESERVOIR
4913  OTTER CREEK RESERVOIR
49-4  PAN^UITCH LAKE
4915  PELICAN LAKE
4916  PINEVIEW RESERVOIR
4917  PIUTE RESERVOIR
49IS  PORCUPINE RESERVOIR
4919  PRUESS RESERVOIR (GARRIS
4920  SEVIER BRIDGE RESERVOIR
4921  STARVATION RESERVOIR
4922  STEINAKER RESERVOIR
4923  TROPIC RESERVOIR
4924  UTAH LAKE
4925  d!LLARD BAY RESERVOIR
5&05  FLAMING GORGE RESERVOIR
MEDIAN
TOTAL P
96 <
90 (
46 <
42 1
31 f
8 1
62 1
77 1
81 I
0 1
100 1
69 1
23 1
15 I
12 1
37 (
50 I
27 1
53 1
19 (
54 (
73 (
85 <
65 <
4 1
37 (
90 <
1 25>
! 23)
I 12)
! 115
i a)
: 2J
! 16)
I 20)
I 21)
I 0)
: 26)
: 18)
[ 6)
[ 4)
; 3)
I 9)
1 13)
I 7)
t 15)
i 5)
I 14)
: 19)
: 22)
! 17)
! 1)
: 9)
! 23)
MEDIAN
INORG N
4
87
87
19
27
23
65
65
58
44
87
87
87
87
65
54
15
31
38
35
8
87
87
50
12
44
0
« u
< 19}
C 19)
« 5)
< 75
< 6;
( 161
( 16)
< 15)
< 11)
< 19)
( 19)
( 19)
( 19)
( 16)
< 14)
( 4)
( 8)
( 10)
( 9)
C 2>
( 19)
( 19)
( 13)
( 3)
< 11>
{ 0)
590-
MEAN SEC
31
96
35
42
19
58
100
69
62
27
73
77
46
15
50
35
38
8
31
0
23
65
88
54
4
12
92
( 2iS
« 25)
< 22)
( 11*
( 5)
( 15)
( 26)
( 18)
( 16)
( 7)
( 19)
< 20)
( 12)
< 4).
( 13)
( 9)
( 10)
( 2)
( 8)
( 0).
( 6)
< 17)
< 23)
( 14)
< 1)
( 3)
< 24)
MEAN
CHLORA
73
10®
65
35
S©
8
23
92
85
12
77
88
27
31
4
54
58
15
38
69
19
62
96
46
0
42
81
« 19)
« 26J
C 17>
« 9)
( 13)
( 25
« 6)
( 24)
< 22)
( 3)
( 20)
< 23)
< 7)
( 8)
( 1)
( 14)
C 15)
< 4)
( 10)
( 18)
( 5)
( 16)
( 25)
« 12)
( 0)
< 11)
( 21)
15-
MIN DO
IS
77
73
0
12
62
62
96
46
85
69
100
19
54
6
90
4
38
33
81
33
23
27
90
42
50
62
{ 45
< 20)
C 19)
( 0)
« 3)
< 15)
< 15)
( 25)
( 12)
( 22)
( 18)
( 26)
< 5)
( 14)
( 2)
( 23)
( 1)
( 10)
« 8)
( 21)
( 8)
( 6)
« 7)
< 23)
« 11)
< 13)
« IS)
MEDIAN
DISS ORTHO P
42 (
90 <
SO <
56 (
13 (
4 (
79 i
69 (
96 (
0 (
100 (
85 (
27 (
8 <
23 (
73 (
58 (
46 (
19 (
37 (
37 <
79 (
65 <
58 (
13 (
31 (
90 (
11)
23)
13)
14)
3)
1)
20)
18)
25)
0)
26)
22)
7)
2)
6)
19)
14)
12)
5)
9)
9)
20)
17)
14)
3)
3)
23)
INDEX
NO
311
540
406
196
152
163
391
468
428
168
506
506
229
210
162
343
223
165
217
241
174
389
448
363
75
216
415

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    RANKED BY  ZVDEX NOSS
    LAKE CODE   LAKE NAME
 1   4901        SEAR LAKE

 2   4911        NAVAJO LAKE

 3   4910        MOON LAKE

 4   4907        KUNTIN6TON NORTH RESERVO

 5   4922        STEINAKER RESERVOIR

 6   4908        JOE'S VALLEY RESERVOIR

 7   5605        FLAMING GORGE RESERVOIR

 S   4902        LOnlER BOWN'S RESERVOIR

 9   4906        FISH LAKE
10   <^)21        STARVATION RESERVOIR

ii   4923        TROPIC RESERVOIR
12   4915        PELICAN LAKE

13   0408        LAKE POSmELL

14   4919        PRUESS RESERVOIR tGARRIS
15   4912        NEWCASTLE RESERVOIR

lo   4916        PINEVIEW RESERVOIR

17   4913        PORCUPINE RESERVOIR

ia   4925        fe'ILLARD BAY RESERVOIR

i9   4913        OTTER CREEK RESERVOIR

20   4903        DEER CREEK RESERVOIR

21   4920        SEVIER BRIDGE RESERVOIR

22   4909        HINERSVILLE RESERVOIR

23   4917        PIUTE RESERVOIR

24   4905        LYNN RESERVOIR

25   4914       PAKOUITCH LAKE

26   490<»       ECHO RESERVOIR

27   4924       UTAH LAKE
INDEX NO

   546

   506

   506

   466

   448

   428

   415

   406

   391
   389

   363

   343
   311
   241
   229

   223

   217

   216

   210

   196

   174

   168

   165

   163

   162

   152

     75

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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
                         -4
Cubic meters x 8.107 x 10   • acre/feet
Square kilometers x 0.3861 - square miles
Cubic meters/sec x 35.315 • cubic feet/sec
Centimeters x 0.3937 = inches
  <
Kilograms x 2.205 = pounds
Kilograms/square kilometer x 5.711 * Ibs/square mile

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         APPENDIX C





PHYSICAL and CHEMICAL DATA

-------
bTORLT rtETrUF.VAL
          E 7o/Cd/12

DATE
FROM
TO
75/05/13


7S/OS/12


75/09/24



TIME DEPTH
OF
DAY FEET
13 45 0000
13 45 0005
13 45 0020
11 00 0000
11 00 0005
11 00 0011
U9 S5 0000
09 55 0005
09 >;5 0015
00010
•IATER
TEMP
CENT
11. d
11.2
10.3
19.6
20.2
19.7
18.3
18.3
18.2
                      00300     00077      OC094
                       00      TRANSP    CNDUCTVY
                               SECCHI    FIELD
                      MG/L     INCHES    MICROMHO
                         8.8
                         9.2
                         9.7
                         8.0
                         8.0
                         8.2
                         8.2
                         7.6
                         7.2
                                              120
                                              108
399
394
382
441
440
438
329
331
341
                                                         490701
                                                        3-3 20 33.0 110 56 4C.O 3
                                                        HUNTINGTON NORTH RESERVOIR
                                                        49015   UTAH
                                                                                  110691
11EPALES
2111202
0024 FEET DEPTH CLASS
00400
PH

SU
8.50
8.50
8.50
8.55
8.60
8.60
8.50
8.50
8. SO
00410
T ALK
CAC03
MG/L
203
204
200
160
152
155
306
160
161
00610
NH3-N
TOTAL
MG/L
0.040
0.030
0.030
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
00
00625
TOT KJEL
N
MG/L
0.400
0.300
0.200
0.400
0.400
0.400
0.600
0.400
0.400

00630
N02&N03
N-TOTAL
MG/L
0.020K
0.020K
0.020K
0.020K
0.020
0.020K
0.020K
0.020K
0.020K

00671
PHOS-DIS
ORTHO
MG/L P
0.012
0.014
0.012
0.005
0.004
0.002K
0.010
0.004
0.002

DATE
FROM
TO
75/05/13


75/08/12


75/09/24



TIME DEPTH
OF
DAY FEET
13 45 0000
13 45 0005
13 45 0020
11 00 0000
11 00 0005
11 00 0011
09 <=5 0000
09 55 0005
09 55 OOlb
00665
PHOS-TOT

MG/L P
0.017
0.015
0.013
G.016
0.013
0.013
0.019
0.012
0.013
32217
CHLPPHYL
A
UG/L
1.9


2.7


1.1


00031
INCDT LT
REMNING
PERCENT









K VuLUt KNOWN TO 8E
LESS Tn.\N INDICATED

-------