U.S. ENVIRONMENTAL PROTECTION AGENCY
           NATIONAL EUTROPHICATION SURVEY
                    WORKING PAPER SERIES
                                        REPORT
                                         ON
                                     KECHELUS LAKE
                                     KITTITAS COUNTY
                                      WASHINGTON
                                      EPA REGION X
                                   WORKING PAPER No, 869
 CORVALLIS ENVIRONMENTAL RESEARCH LABORATORY - CORVALLIS, OREGON
                             and
ENVIRONMENTAL MONITORING & SUPPORT LABORATORY - LAS VEGAS, NEVADA

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                              REPORT
                                ON
                          KECHELUS LAKE
                          KITTITAS mm
                            WASHINGTON
                           EPA REGION X
                       WORKING PAPER No, 869
  WITH THE COOPERATION OF THE
WASHINGTON DEPARTMENT OF ECOLOGY
             AND THE
    WASHINGTON NATIONAL GUARD
           JULY, 1977

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          REPORT ON KEECHELUS LAKE

         KITTITAS COUNTY, WASHINGTON

                EPA REGION X


                     by

       National Eutrophication Survey

        Water and Land Quality Branch
       Monitoring Operations Division
Environmental Monitoring & Support Laboratory
              Las Vegas, Nevada

                     and

           Special Studies Branch
 Corvallis Environmental Research Laboratory
              Corvallis, Oregon
            Working Paper No. 869
     OFFICE OF RESEARCH AND DEVELOPMENT
    U.S. ENVIRONMENTAL PROTECTION AGENCY

                  July 1977

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                               CONTENTS

                                                       Page
Foreword                                                i i
List of Washington Study Lakes                          iv
Lake and Drainage Area Map                               v
Sections
  I. Conclusions                                         1
 II. Lake and Drainage Basin Characteristics             3
III. Lake Water Quality Summary                          5
 IV. Nutrient Loadings                                  11
  V. Literature Reviewed                                16
 VI. Appendices                                         17

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                                  ii


                               FOREWORD
     The National  Eutrophlcation 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,  concen-
trations, 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 nonpoint source pollution abatement in lake water-
sheds.

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
watershed 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,bj], 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 condition
are being made to advance the rationale and data base for refine-
ment 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 the U.S.  Environmental  Protection
Agency and to augment plans implementation by the states.

ACKNOWLEDGMENTS

     The staff of the National Eutrophication Survey (Office of
Research and Development, U.S. Environmental  Protection Agency)
expresses sincere appreciation to the Washington Department of
Ecology for professional involvement, to the Washington National
Guard for conducting the tributary sampling phase of the Survey,
and to those Washington wastewater treatment plant operators who
provided effluent samples and flow data.

     Ms. Barbara Blau, Lake Restoration Program, and the staff
of the Washington Department of Ecology, Lake Restoration Program,
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 Howard S. McGee, Adjutant General of Washington,
and Project Officer Colonel Clinton C. Johnson, who directed the
volunteer efforts of the Washington National  Guardsmen, are also
gratefully acknowledged for their assistance to the Survey.

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                                 IV
                    NATIONAL EUTROPHICATION SURVEY
                              STUDY LAKES
                          STATE OF WASHINGTON
LAKE NAME
American Lake
Banks Lake
Chelan Lake
Diamond Lake
Green Lake
Keechelus Lake
Mayfield Lake
Medical Lake
Moses Lake
Ozette Lake
Sammamish Lake
Lake Whatcom
Lower Granite Reservoir
  COUNTY
Pierce
Grant, Douglas
Chelan
Pend Oreille
King
Kittitas
Lewis
Spokane
Grant
Clallam
King
Whatcom
Garfield, Whatcom

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        KEECHELUS LAKE
      
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                 REPORT ON KEECHELUS LAKE,  WASHINGTON
                            STORET NO.  5306

I.    CONCLUSIONS
     A.    Trophic Condition:*
               Survey data indicate that Keechelus  Lake is  oligotrophic.
          Chlorophyll a_ values in the lake  ranged from 0.5  yg/1  in July
          to 2.1 yg/1 in October, with  a mean of 1.4 yg/1.   Potential
          for primary production as measured by algal assay control
          yields was low on all  three sampling occasions.   Lake  water
          transparency was excellent.  Of the 13 Washington lakes  sampled
          in 1975, 11 had higher median total phosphorus and inorganic
          nitrogen values, and all had  higher median orthophosphorus
          levels than Keechelus  Lake.
               Survey limnologists did  not  report any problem algal  blooms
          or macrophytes during  their visits to the.lake.
     *See Appendix E.

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B.   Rate-Limiting Nutrient:
          The algal assay results indicate that Keechelus Lake was
     limited by available phosphorus on all  three sampling dates
     (07/21/75, 09/12/75, 10/28/75).  Lake data suggest nitrogen  limi-
     tation during the July sampling and phosphorus limitation during
     September and October.
C.   Nutrient Controllability:
     1.   Point sources -
               There were no known municipal or industrial point  sources
          impacting Keechelus Lake during the sampling year.   The present
                                          2
          phosphorus loading of 0.44 g P/m /yr is less than that  proposed
          by Vollenweider (1975) as an "oligotrophic" level.   Unless
          this loading rate is  substantially increased, the excellent
          trophic condition of Keechelus Lake should be maintained.
     2.   Nonpoint sources -
               Meadow Creek contributed 17.4% of the total phosphorus
          loading to Keechelus  Lake.  Gold Creek contributed 22.6% and
          the minor tributaries and immediate drainage contributed 56.0%.

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II.   LAKE AND DRAINAGE BASIN CHARACTERISTICS:

          Lake and drainage basin characteristics  are  itemized  below.

     Lake morphometry data were provided by Wolcott (1965).   Tributary

     flow data were provided by the Washington District Office  of the

     U.S. Geological  Survey (USGS).   Outlet drainage area  includes  the

     lake surface area.   Mean hydraulic retention  time was  obtained by

     dividing the lake volume by mean flow of  the  outlet.   Precipitation

     values are estimated by methods as outlined in National  Eutrophi-

     cation Survey (NES) Working Paper No. 175.   A table of metric/

     English conversions is included as Appendix A.

     A.    Lake Morphometry:
                                      2
          1.   Surface area:  10.36 km .
          2.   Mean depth:  18.7 meters.
          3.   Maximum depth:  27.4 meters.
          4.   Volume:   193.658 x 106 m3.
          5.   Mean hydraulic retention time:   220 days.

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B.   Tributary and Outlet:
     (See Appendix B for flow data)

     1.   Tributaries -
                                        Drainage       Mean flow
          Name                          area (km?)      (m3/sec)

          B-l Meadow Creek                  20.4          1.47
          E-l Gold Creek                   36.3          2.61

          Minor tributaries and
          immediate drainage -             74.6          6.12

                    Totals                 131.3         10.20

     2.   Outlet - A-l Yakima River       141.7         10.18

C.   Precipitation:

     1.   Year of sampling:  218.2 cm.
     2.   Mean annual:  167.2 cm.

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III.  LAKE WATER QUALITY SUMMARY
          Keechelus 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 three stations on the lake and from a number of depths  at  each
     station (see map, page v).  During each  visit, depth-integrated
     samples were collected from each station for chlorophyll  a_ analysis
     and phytoplankton identification and enumeration, and 18.9-liter
     depth-integrated samples were composited for algal  assays.   Maximum
     depths sampled were 29.0 meters at Station 01, 58.2 meters at Station
     02, and 4.3 meters at Station 03.   For a more detailed  explanation
     of NES methods, see NES  Working Paper No.  175.
          The results obtained are presented  in full  in  Appendix  C and
     are summarized in III-A  for waters at the surface and at the maximum
     depth for each site.  Results of the phytoplankton  counts and chloro-
     phyll a_ determinations are included in III-B.  Results  of the limiting
     nutrient study are presented in III-C.

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       CODE
AMD CHEMICAL CHARACTERISTICS

       (   9/12/75  )
                                                                                                             ( 10/28/75  I
                       No
             (DEC-  C^;T )
0 .-1 .5 '-' DEPTH         6
MA* DEPTHo*            3

DISSOLVED OXYGEN  (WG/L>
f>.-l.= M OEPT-         6
"AX DEPTH**            3

CONDUCTIVITY  (UMNOM
O.-l.S M OEPTH         6
MAX DEPTH**            3

°H  (STANDARD  UNITS)
O.-l.5 M DEPTH         6
MAX DEPTH**            3

TOTAL ALKALINITY  
O.-l.5 M DE^TH         6
MAX DEPTH**            3

TOTAL. P  (MG/L)
O.-l.5 M DEPTH      '   6
MAX DEPTH"*            3

DISSOLVED OKTHO P 
O.-l.^ M
MA" DEPTH**
AMMONIA
O.-l.S M DEPTH
KJELDAHL N
O.-l.S M OEPTH
""AX DEPTH***

SECCHI DISC  VM
"• iNG
11 .4- 1
0.7- 1
S.H- 1
10. 0- 1
T».-
IS.-
7.4-
7. 1-
11.-
1.4.-
0.006-0.
0.006-0.
O.OOP-0.
O.OOP-0.
O.P20-0.
o. n?o-o.
o.o^o-o.
0 . (l ^ 0 - 0 .
0.200-0.
o.pno-o.
S * * * = "3
r '•' f-" 0 T i* \
3 . H 1 -> . •}
1.3 ^.7
0.0 3 . 0
1.0 1-1.6
2^, ??.
22. IF.
^.3 ^.o
7.4 7.1
19. ]6.
16. 14.
013 0.007
013 O.«n T
01S o.nn,?
013 O.nl
0^0 I) . 0 ? H.2
n.o- l.b
4.3- 5^.2
0.0- 1.5
4.3- S8.2
0.0- 1.5
4.3- st. 2
5***
N* -fflNGE
6
3
S
3
^>
3
6
2
6
3
6
3
6
3
b
3
6
3
6
3
16.3- 17.3
4.9- 17.2
fl,8-
9.2- 1
29.-
25.-
6.8-
6.5-
14.-
13.-
0.006-0.
0.005-0.
0.002-0.
0.002-0.
0.0?0-0.
0.020-0.
O.C20-0.
0.020-0.
0.200-0.
0.020-0.
9.0
0.3
33.
37.
7.1
7.0
19.
15.
010
009
010
002
060
070
020
020
200
?00
= 3
MEDIAN
17.0
5.5
8.8
10.2
33.
29.
7.0
6.8
15.
14.
0.006
0.007
0.002
0.002
0.0?0
0.020
0.020
0.020
0.200
0.200
MAX
DEPTH
RANGE
(METERS) N«
0.0-
4.3-
0.0-
4.3-
0.0-
4.3-
0.0-
21.6-
0.0-
4.3-
0.0-
4.3-
0.0-
4.3-
0.0-
4.3-
0.0-
4.3-
0.0-
4.3-
1.5
50.3
1.5
50.3
1.5
50.3
1.5
50.3
1.5
50.3
1.5
50.3
1.5
50.3
1.5
50.3
1.5
50.3
1.5
50.3
6
3
6
3
6
3
6
3
6
3
6
3
6
3
6
3
6
3
6
3
c»«»
RANGE
8,3-
4.S-
9.8-
10.0-
1.-
1.-
6.6-
6.7-
12.-
15.-
0.006-0
0.005-0
0.002-0
0.002-0
0.020-0
0.020-0
0.020-0
0.020-0
0.200-0
0,200-0
9.4
8.6
10.2
10.4
29.
22.
7.0
7.0
23.
27.
.00*
.007
.005
.004
.020
.080
.030
.020
.200
.?00
= 3
MEDIAN
9.2
5.3
10.0
10.0
17.
11.
6.9
6.9
IB.
16.
0.007
0.006
0.002
0.003
0.020
0.070
0.020
0.020
O.?00
0.200
MAX
DEPTH
RANGE
(METERS)
0.0-
4.0-
0.0-
4.0-
0.0-
4.0-
0.0-
4.0-
0.0-
4.0-
0.0-
4.0-
0.0-
4.0-
0.0-
4.0-
0.0-
4.0-
0.0-
4.0-
1.5
47.2
1.5
47.2
1.5
47.2
1.5
47.2
1.5
47.2
1.5
47.2
1.5
47.2
1.5
47.2
1.5
47.2
1.5
47.2
                            ft. 9-  6.0
                                                                 3.4-  6.4
                                                                               6.4
                                      4.6-   5.3
4.9
                                -i o. it?
                                                    AT
                              s = .NO. OF  MTES  CAMPLED ON This DATE

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B.   Biological Characteristics:

     1.    Phytoplankton -
          Sampling
          Date

          07/21/75
          09/12/75
          10/28/75
Dominant
Genera

1.  Cyclotella
2.  Chroomonas
3.  Melosira
4.  Cryptomonas

    Other genera

         Total

1.  Chlorophytan Cell
2.  Pi nobryon
3.  Melosira
4.  Cryptomonas

    Other genera

         Total

1.  Chroomonas
2.  Pinobryon

    Other genera

         Total
Algal
Units
per ml

 466
  89
  89
  22
 666

 195
 195
 130
  22
 542

  24
  24
                                                              48

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2.    Chlorophyll  a -
     Sampling                 Station             Chlorophyll
     Date                     Number              (yg/1 )
     07/21/75                   01                      0.5
                                02                      1.4
                                03                      1.0

     09/12/75                   01                      1.2
                                02                      1.5
                                03                      1.4

     10/28/75                   01                      1.7
                                02                      1.8
                                03                      2.1

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C.   Limiting Nutrient Study:

     1.   Autoclaved, filtered, and nutrient spiked

          a.    07/21/75
          Spike (mg/1)

          Control
          0.05 P
          0.05 P + 1.0 N
          1.00 N

          b.   09/12/75
          Ortho P
          Cone, (mg/1)

           <0.005
           O.055
           O.055
           <0.005
          Spike (mg/1)

          Control
          0.05 P
          0.05 P + 1.0 N
          1.00 N
          Ortho P
          Cone, (mg/1)

            0.005
            0.055
            0.055
            0.005
          c.
10/28/75
          Spike (mg/1)

          Control
          0.05 P
          0.05 P + 1.0 N
          1.00 N
          Ortho P
          Cone, (mg/1)

            0.005
            0.055
            0.055
            0.005
Inorganic N
Cone, (mg/1)

  0.083
  0.083
  1.083
  1.083
Inorganic N
Cone, (mg/1)

  0.040
  0.040
  1.040
  1.040
Inorganic N
Cone, (mg/1)

  0.035
  0.035
  1.035
  1.035
Maximum Yield
(mg/1-dry wt.)

     0.3
     3.5
    23.4
     0.4
Maximum Yield
(mg/1-dry wt.)

     0.3
     3.5
    21.3
     0.3
Maximum Yield
(mg/1-dry wt.)

     0.2
     0.9
    25.9
     0.2

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                                 10
2.    Discussion -
          The control  yields of the assay alga,  Selenastrum capri-
     cornutum, indicate that the potential  for primary productivity  in
     Keechelus Lake was moderately low during the three sample collection
     times (07/21/75,  09/12/75, 10/28/75).   In each assay a significant
     increase in yield over that of the control  occurred when phosphorus
     was added alone and in combination with nitrogen, indicating phos-
     phorus limitation.  The addition of nitrogen alone did not stimulate
     growth significantly beyond the control yields.
          The mean inorganic nitrogen to orthophosphorus ratios in  the
     lake samples were approximately 9/1, 17/1,  and 18/1 on the July,
     September, and October sampling dates, respectively, suggesting
     nitrogen limitation during the July sampling period and phosphorus
     limitation during September and October.

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                                  11
IV.   NUTRIENT LOADINGS
     (See Appendix D for data)
          For the determination  of nutrient loadings,  the Washington
     National Guard collected near-surface  grab  samples  from  each of  the
     tributary sites indicated on the map  (page  v).  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 Washington District  Office of  the USGS for the  tributary  sites
     nearest the lake.
          In this report, nutrient loads for sampled tributaries were
     determined by using a modification of  a USGS computer  program  for
     calculating stream loadings.  Nutrient loads indicated for tributaries
     are those measured minus known point  source loads,  if  any.
          Nutrient loadings for  unsampled  "minor tributaries  and immediate
     drainage" ("ZZ" of USGS) were estimated by  using  the mean annual
                             2
     nutrient loads, in kg/km /yr, in Meadow Creek and Gold Creek at
                                                                       2
     Stations B-l and E-l and multiplying  the means  by the  ZZ area  in km  .

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                                  12
A.   Waste Sources:
     1.   Known municipal - None
     2.   Known industrial - None
B.   Annual Total Phosphorus Loading - Average Year:
     1.   Inputs -
                                                            % of
          Source                             kg P/yr        total
          a.   Tributaries (nonpoint load) -
               B-l Meadow Creek                785           17.4
               E-l Gold Creek                1,025           22.6
          b.   Minor tributaries and immediate
               drainage (nonpoint load) -    2,535           56.0
          c.   Known municipal STP's - None
          d.   Septic tanks* - None
          e.   Known industrial - None
          f.   Direct precipitation**-         180            4.0
                              Totals         4,525          100.0
     2.   Outputs - A-l Yakima River         1,685
     3.   Net annual P accumulation -        2,840
    *Dion, N.P. et a!., 1976.
   **Estimated (See NES Working Paper No. 175).

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                                  13
C.   Annual Total  Nitrogen Loading - Average Year:
     1.   Inputs -
                                                            % of
          Source                             kg N/yr        total
          a.   Tributaries (nonpoint load)  -
               B-l Meadow Creek               8,240           8.6
               E-l Gold Creek                30,305          31.6
          b.   Minor tributaries and immediate
               drainage (nonpoint load) -    46,250          48.2
          c.   Known municipal  STP's - None
          d.   Septic tanks* -  None
          e.   Known industrial - None
          f.   Direct precipitation** -      11,185          11.6
                              Total          95,980         100.0
     2.   Outputs  - A-l Yakima  River         40,835
     3.   Net annual N accumulation -        55,145
    *Dion, N.P.  et al., 1976.
   **Estimated (See NES Working Paper No.  175).

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                                  14
D.    Mean Annual  Nonpoint Nutrient Export by Subdrainage  Area:
                                               2              2
     Tributary                          kg P/km /yr    kg N/km /yr

     Meadow Creek                            39            404
     Gold Creek                              28            835

E.    Mean Nutrient Concentrations in Ungaged Streams:

                                        Mean Total  P   Mean Total  H
     Tributary                             (mg/1)          (mg/1)

     C-l Roaring Creek                    <0.007         <0.248
     D-l Cold Creek                       <0.007         <0.265
     1-F Cedar Creek*                     <0.008          0.228
     1-G S. Fork Cedar River*             <0.008         <0.227
     1-H Rix River*                       <0.010          0.323
     1-J Boulder Creek*                   <0.011          0.319
     1-K Smay Creek*                       0.010          0.328
     1-L Friday Creek*                     0.022         <0.225
     1-M Greer River*                     <0.010         <0.116
     *Special interest streams outside the watershed of Keechelus Lake.

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                                  15
F.    Yearly Loadings:
          In the following table, the existing phosphorus annual  loading
     is compared to the relationship proposed by Vollenweider (1975).
     Essentially, his  "eutrophic" loading is that at which the receiving
     waters would become eutrophic or remain eutrophic; his "oligotrophic"
     loading is that which would result in the receiving water remaining
     oligotrophic or becoming oligotrophic if morphometry permitted.   A
     "mesotrophic" loading would be considered one between "eutrophic"
     and "oligotrophic".
          Note that Vollenweider's model  may not apply to lakes with
     short hydraulic retention times or in which light penetration is
     severely restricted by high concentrations of suspended solids in
     the surface waters.

                             Total Yearly
                          Phosphorus Loading
                               (g/m?/yr)
     Estimated loading for Keechelus Lake                        0.44
     Vollenweider's "eutrophic" loading                          1.08
     Vollenweider's "oligotrophic" loading                       0.54

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                                  16
V.   LITERATURE REVIEWED

     Dion, N.P., G.C. Bortleson, J.B.  McConnell  and L.M.  Nelson.   1976.
       Reconnaissance Data on Lakes in Washington, Volume 5,  (Chelan,
       Ferry, Kittitas, Klickitat, Okanogan, and Yakima Counties).
       Washington State Department of Ecology, Water Supply Bulletin 43,
       Volume 5.

     U.S. Environmental Protection Agency.   1975.   National Eutrophica-
       tion Survey Methods 1973-1976.   Working Paper No.  175.   National
       Environmental Research Center,  Las Vegas, Nevada,  and Pacific
       Northwest Environmental Research Laboratory, Corvallis, Oregon.

     Vollenweider, R.A.  1975.  Input-Output Models With  Special
       Reference to the Phosphorus Loading Concept in Limnology.
       Schweiz. Z. Hydrol.  37:53-84.

     Wolcott, E.E.  1965.  Lakes of Washington, Volume II.  Washington
       Division of Water Resources, Water Supply Bulletin, 14 and 15.

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                                 17





VI.  APPENDICES
                          APPENDIX  A



                      CONVERSION  FACTORS

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                CONVERSION FACTORS





Hectares x 2.471 = acres



Kilometers x 0.6214 = miles



Meters x 3.281 = feet



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/squarc mile

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    APPENDIX B
TRIBUTARY FLOW DATA

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                                               FLOW INFORMATION FOP  WASHINGTON
                                                                                11/16/76
LAKE
                    KEF.OF.Uis
     TOTAL
                                      KM)
                                             141 .7
T»t°HTAPY
5306^1
5306«
530677
141.7
141.7

 36.3
 «5.0
 85.0

5
8
1
?
5
5
JAM F F B
,?1 4.47
.69 fl.33
.25 1.20
.?3 2.13
.21 4.98
.21 4.98
MAR
4.96
6.63
0.9S
1.70
3.96
3.96
APP MJV
6.
12.
1.
3.
7.
7.
74
57
Rl
23
53
53
11.07
23. 7^
3.4T
6.06
14.24
14.?'
JUN
16.54
20.53
2.94
5.27
12.32
12.32
JUL
18.75
8.35
1.20
2.14
5.01
5.01
AUG
21.32
2.42
0.35
0.62
1.44
1.45
SFO
17.24
2.80
0.40
0.7?
1.67
1.6*
OCT
7.0?
6.91
1.00
1.77
4.13
4.13







SUMMARY
0
TAL DRAINAGE
AREA OF
LAKE
-
IJM OF CUB-DRAINAGE APEAS =
141 .7
226.6




TOTAL FLOW
TOTAL FLOW
IN =
OUT =
195.
244.
94
1H
     MEAN MONTHLY  FLO*S ANO DAILY FLOWS (OS)
TRIBUTARY    MONTH   YEA"
53f> 641
               MEAN  FLOW  DAY
                                                           DAY
                                                          FLO*  DAY
FLOW
530631
q
in
11
1 2
1
2
•>
4
5
6
7
u
9
in
11
12
1
2
3
4
5
6
7
$
74
74
74
74
75
75
75
75
75
75
75
75
74
74
74
74
75
75
75
75
75
75
75
75
13.989
13.790
2.274
0.903
fl.042
16.056
4.531
4.191
11.553
14.611
?4.919
25.230
0.320
0.255
0.813
2.064
1.994
0.807
0.69?
0.852
3.766
4.021
1.787
0.637
2?
19
16
4



15

4
3"

?2
19
16
4



15

4
in

11.950
2.322
2.294
4.644



6.173

33.414
4.332

0.133
0.099
0.357
0.470



0.691

6.145
0.303

                                                                                                             in. 96
                   6.57
                   6.57
  OEC

 5.47
10.53
 1.53
 2.7?
 6.40
                                    MF.AM

                                   10.m
                                   1 0 . ? 0-
                                    1.47
                                                                                                                              6.12

-------
TPIHi|T4WY FLO*  INFORMATION TOP WASHINGTON
                                                                                                      11/16/76
LAKF.  cone 5306
5306F1
S30677
           "ONTHLY FLO*s




             MONJTH   YEAR
9
in
11
l?
1
?
3
4
5
6
7
9
10
11
12
1
?
3
4
5
6
7
8
74
74
74
74
75
75
75
75
75
75
75
74
74
74
74
75
75
75
75
75
75
75
75
DAILY  F|_0.«S(C"M




MEAN FLOW  OAY
                  FLO*   DAY
                                                                              FLOW   DAY
                                                                                                  FLO*.
0.453 19
1.441 16
3t, Q 1
. Pfl 1
3.5f 0
1 .436
1.P40
1.515 15
6 .683
7.164 4
3.171 30
1.337
1.062
3.370
8.608
8.297
3.370
2.917
3.540
15.688
15.065
7.447
?.65C
0.283
0.920



P.163
10.2?2
1.906













-------
        APPENDIX C



PHYSICAL AND CHEMICAL DATA

-------
cpa-LAS VEGAS
                           530601
                          47  19 30.0 1?1 20 45.0  3
                          KEECHELUS LAKE
                          ^3037
                                                                                             I 3 0 ft O ?
DATE
TO
75/07/2)




75/n9/l?





75/10/2H




TIvF r
OF
)EPT^ WATEt;
DAf FEET
08
08
08
08
08
13
] T
13
13
13
13
10
10
10
10
10
55
55
55
55
55
55
55
55
55
55
55
40
40
40
40
40
OOQO
OOO1^
0020
0035
0066
0000
0005
0015
0030
0050
0071
000 '1
0005
0027
0060
009S
CFMT
1 3.«
13. P
13.2
7.4
2.7
16. 
     9.0
     8.6
    in. 6
    n .n
     H.fl

     9,h
     9.?
    10.6
    10.8
    10.0
    10. 0
    10.8
    10.2
    10.0
  00077
 INC«£5

     270
     210
                                                      00094
                                                   CNDUCTVY
                                                   FIELD
                                                   MJCBOMHO

                                                          28
                                                          37
                                                          20
                                                          17
                                                          15
                                                          29
                                                          31
                                                          31
                                                          29
                                                          ?5
                                                          25
                                                          28
                                                          ?9
                                                          24
                                                          2*
                                                          22
HEPAI.FS 2111202
0070
00400
PM

S"
8.30
7.90
7.55
7.50
7.15
7.00
7.10
6.95
7.00
6.85
7.00
6.90
7.00
6,°0
6.90
6.95
FEET DEPTH CLASS
00410
T ALK
CAC03
MG/L
19
16
17
15
16
14
15
14
14
14
13
13
12
12
16
16
00610
NH3-N
TOTAL
MG/L
0.040
0.020K
0.020
0.030
0.030
0.02QK
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
0.020K
00
006?5
TOT KJF.L
N
MG/L
0.600
0.200K
0.200*
0.200K
0.200K
0.200*
0.?OOK
0.200<
0.200K
0.200K
0.200K
0.200K
0.200*
0.200K
0.200K
0.200K

006?Q
fMO'fsNlOS
"J-TDTAL
MG/L
0.03"
0.020K
0.020K
0.020K
0.040
0.060
0.060
0.060
0.0?OK
0.020K
0.020K
0.020
0.020*
0.020*
0.030
0.070

00671
OHOS-DIS
O»THO
MG/L P
0.015*
0.011*
0.005*.
0.013*
O.Oll'
0.00?
o.oo?
0.002
o.oo?*
0.00?*
0.00?*
0.00?<
0.00?
0.00?*
o.oo?-*
o.oo''
   TO
                       00665
         TIME DEPTH PHOS-TOT
          OF
              FEET    MG/L  °
  00031
IMCDT LT
75/07/21




75/09/12





75/lo/?e




08
08
08
02
oa
13
13
13
13
13
13
10
10
10
10
10
55
55
55
55
55
55
55
55
55
55
55
40
40
40
40
40
oooo
OOO1^
0020
0035
0066
0000
000=-
001^
0030
OO'-'O
0071
OOOo
000^
0027
00^0
009^
0,
0,
0,
0.
0.
0.
n ,
0,
0,
0,
0.
0,
0,
0,
0,
0,
.01 3
.008
.007
,000
.006
.006
.006
,007
,006
.006
,00C
.007
.006
.006
.006
,007
  32217
CHLRPHYL
   A
  UG/L    PERCENT

     0.5
                                    1.2
                                    1.7
K VALUE KNOWN TO BE LESS
    THAN INDICATED

-------
         OiTE  7<=-/U/16
                                                              530603
                                                             4.7 20 55.0  121  22 05.0 3
                                                                     *a?H I MGTON
                                                             53037
                                                              ni95 FEET   DEPTH
                                                                                        no

OATF
r D 0 V
T0
75/17/21






75/Q9/12







75/10/2R







TI ••
nc
J~
0 i v
19
,19
19
19
09
09
19
15
15
15
15
15
15
15
15
19
09
19
09
09
09
19


onoi
n
F DEPTH wiTFu
T I. ti Ji
F
35
35
35
35
35
35
35
10
10
1 0
11
10
10
11
11
5 =
S5
55
55
55
55
55
EEr
oofip
1105
00?5
0051
010"
0151
Ol-M
0000
0005
Oil*
01 11
004=.
0085
012^
0165
0001
0105
002P
015^
0091
0120
115^
CC.^T
12
13
12
5
1
n
r,
17
1 7
16
15
9
5
4
4
9
Q
9
»
K
4
4

. •>
.1
.9
.0
.•=
.9
.7
.1
.n
.9
.7
.0
.2
.9
.9
.?
.4
.2
.3
.3
.7
.3
00300
 no

MG/L

  10.1
   9.0
   9.?
  11.0
  11.2
  11. f
  lo.6
   R.ft
   B.rt
   9.4
   h.9
  10.2
  10.8
  10.6
  10.2
   9.8
  10.?
  10.0
  11.0
  10.2
  10.0
  10.0
                                    00177
                                       570
                                       2^2
                                        192
 00410
T 4LK
 00610      006?5
NH3-N     TOT  Kjr.L
TOTAL       N
                                                                                                  N-TOTat.
                                                                    MG/L
                                                                                                               00671
24
20
1H
h
11
12
15
33
33
33
31
?9
27
29
29
12
22
20
17
17
14
11
7.60
7.50
7.60
7.00
7.00
7. no
7.10
7.00
7.00
7.00
7.00
6.R5
6.70
6.55
6.50
7.00
7.00
7.00
6.90
6.80
6.70
6.70
19
16
17
12
12
16
14
15
19
15
16
15
14
15
15
22
14
16
16
17
16
15
0.0?0
0.020
0.020
0.030
0.030
0.030
0.030
0.020
0.020
0.020
0.020
0.020K
0.020K
0.020
0.020
0.030
0.020K
0.020K
0.020K
0.020K
0.020K
O.Q20K
0.400
0.200K
0.200K
0.200K
0.300
0.200K
0.200*
0.200*
0.200K
0.200K
0.200"
0.200K
0.200*
0.200"
0.020*
0.200*
0.200<
0.200*
0.200K
0.200K
0.200K
0.200K
n.020*
0.02"K
0.020K
0.030
0.060
0.070
0.070
0.020K
0.020K
0.020K
0.020K
0.0?0
0.060
0.060
0.070
0.020K
0.020
0.020
0.040
0.170
0.0*0
n.n^o
0.002
1.002K
0.002K
O.OD2K
0.002K
0.002K
0.00?K
0.003
0.003
0.003
0.003
0.004
0.003
0.002
0.002
0.002
0.004
0.004
0.002
0.002
0.002
0.003
K VALUE KNOWN TO BE LESS
    THAN INDICATED

-------
MfiTl  ElJTPOD"IC«TIOf
F.P&-LAS
 53060?
47 20 55.0 121  2?  05.0  3
                                                                   53037
                                                                         FFET
                                                                                         2111202
                                                                                       CLASS  no
F 3 n '•' OF
TO
75/17/21






75/09/12







75/10/28






94*
HQ
09
09
n9
09
09
no
15
15
15
15
15
15
15
15
09
n9
09
09
09
09
09
F
,S
3S
•JS
35
35
•?s
35
10
10
10
10
10
10
10
10
55
5^
55
55
=,=;
55
55

onoo
ooo^
002^
Onsr1
0100
n isn
0)91
0000
oooc
001^.
0030
004=.
008^
012^
Ol^t
nno"
onor-
002°
0055
009"
012"
0155
v"-,/L
1.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
0.
n.
0.
0.
0.
0.
0.
0.
0.
0.
65 32217
TOT CHL'P^YL
P U'-/L
007 1.4
006
006
006
007
006
013
006 1.5
006
OOP
00*
019
OOR
008
009
006 1 .8
007
OOS
013
006
005
005
                                         TMCOT LT

-------
MAIL
EPA-l_AS VFGAS
                  otTE
                  ON Si
                            S3060?
                           *7 ?? 35.0
                                                                     53037
                                                                                     2?

                                                                               ASHINGTON

DATF
FPO'-'
TO
75/07/21


75/09/1?


75/1 o/23



T I^F
OF
DAY
10 30
10 TO
10 3n
14 40
14 40
1440
09 35
09 T5
09 3^

QFDT-.

FF~ T
noon
OOQ11
0014
OOQO
0005
0014
0000
0005
0013
0001
W4TEP
Tr "P
TFMT
1 1
1 1
1 1
17
17
17
«
H
«
0



. 7
.4
.3
.3
.3
.?
.3
.8
.6
00300
00

wr, /i.
5.
9.
10.
8.
9.
9.
9.
10.
10.




*
0
0
8
0
?
a
0
4
                                            00077
                                                                            FEET
                                                                                           ?u:
                                                                                         CL5SS 00
10094
CMOUCTVV
FIELD
MICROMHO
IB
IB
?2
33
33
37
1"
IK
1*
004QO
Pf-

SI!
7.45
7.4Q
7.40
6.60
6.80

6.65
6.90
7.05
00410
T ALK
CAC03
wr,/L
U
11
14
14
17
U
2?
23
27
00610
NH3-N
TOTAL
HR/L
0.020K
0.020K
0.0?OK
0.0?OK
0.020
O.O?OK
0.020
O.O?OK
0.020K
00625
TOT KJh'L
N
MR/L
0.500
0.?OOK
0 .200K
0.200K
0.200
0. 200^
0.200K
0.200K
0.200K
006TO
NO''S-Nn^
N-TOTftL
MR/L
O.P?OK
0.020K
0. o^OK
0.0?OK
0.020K
0.020K
0.0?OK
0.020K
O.OPOK
00671
DHOS-OIS
0-TnO
MG/L o
0.00?
0.00?K
0.011
0.002K
0.010
0.002*
0.005
0.003
0.004
                       006*5
  OATF   TIMF.  DEPTH PMOS-TOT
  FPO"    OF
   TO    DAY   FFET   f-'G/L D

75/07/21 10 30 0000    O.OOn
         10 30 0005    0.007
         10 30 0014    0.007
75/09/1? 14 40 0000    0.007
         14 *o onoc    o.oin
         14 40 0014    0.00?
75/10/28 09 35 0000    O.OOfi
         09 35 0005    0.007
         09 3^ 0013    n.nr><,
                                  3?217
                                   A
                                  UP/L
                                     1.4
                                     p.j
                                            00031
                                          TMCOT  LT
PFKCFNT
   K VALUE KNOWN TO BE LESS
       THAN INDICATED

-------
       APPENDIX D

TRIBUTARY AND WASTEWATER
  TREATMENT PLANT DATA

-------
STORET RETOIEV«L DATE 74./11/16
^'ATL EUT«OPHICATION SlJ°VEY
EPA- I.AS VEGAS
 S306A1
47 IS 30.0  1?1  1" 45.0 4
                                                                     =;3       KITTITAS CO HWY
                                                                     O/KEECriELUS  LAKE
                                                                     B«DG ON  GRAVEL ND 13 MI  **  OF
                                                                                           ?1 1 1204
                                                                           FEET   OFPTH  CLASS  on

DATE
F°OM
TO
/09/22
/10/1
-------
       BETOIEVAI  oarE 76/11/16
NATL EUTRQPHICATIQM
FPA- I. 45 VEGAS
RATE
FOOM
 TO
         TIME  nFPT«-i
                     N-
               FEET
74/OQ/2? 10  45
74/11/19 15  50
74/11/16 11  *5
                                                                    47  1«  40.0 121 21 00.0  4
                                                                    MEADOW C»F.EK
                                                                    5?       KITTITAS CO  HWY
                                                                    T/ntECnELUS L6«E          1304O?
                                                                         ON G"4v/EL RO 15 MI NW OF
                                                                      oooo  FEET  DEPTH  CLASS  on
006 30

•T(jT&l.
MR/L
0.160
0.008
0.00«
00635
TOT KJEL
N
"G/L
0. 100K
0. 100K
0.100K
00610
WH3-N
TOT4L
MG/L
0.0"5
0.010
0.0?<»
00671
PHOS-OIS
ORTMO
MG/L P
0.010
O.OO6'
0.00 UK
0066^
DLJOS-TOT

MG/L P
0.010
0.005
0.010K
 K VALUE KNOWN TO BE LESS
     THAN INDICATED

-------
STO=ET RETRIEVAL  OATE 76/11/lf.
NATL FUTPOPHICATION SURVEY
EPA- | AS VEGAS
DATE   TIME  OEPTw NQ?s,N03
FRO"    OF         N-TO
 TO    HAY   FRET     Mr;/
74/09/2?  11
74/10/19  16
74/11/16  12
           15
           OS
           05
                                                                                    2? 35.0  4
                                                                   5306C1
                                                                  47 1<5 40.0  1?1
                                                                  ROARING  CPEEK
                                                                  b.T       KITTITAS CO HWY
                                                                  T/KEECHELUS  LAKE          13049?
                                                                  BRDG ON  UNIMOR  RD 17 MI  MW  OF F
                                                                  11F°ALE5              ?1112n4
                                                                   noon FEET   OE^TH  CLASS "0
                                            00610
       TOT  KJEL
          N
         MG/L

          0.100K
0.043
0.033
                                           TOTAL
                                            MG/L
         00671
       PHOS-DIS
        QOTHO
                                                               DHOS-TOT
                                   0.200
0.015
0.015
0.024
                                                                MG/L
0.005
0.005
0.008K
0.005
0.005
0.010K
   K VALUE KNOWN TO BE LESS
       THAN INDICATED

-------
        SFT=IE\/AL DATE  7f-/ll/l(j
       JTPODHICATION SURVEY
EPA- |  AS  VEGAS
  OATF
          TI^E OFPTw
                     M-
          n a v   FEET
74/09/??  1? 30
74/]n/10  14 SS
74/11/16  10 45


00*30
?*,N03
0.04R
0.03?
0.016


00625
TOT KJEL
N
n. i no*
o.?oo
0.400


00610
MH3-N
n.010
0.016


00671
PHOS-OIS
O^THO
0.005K
0.005K
0.008K
«R 8RDG 1.
0000 FEET
0066S
°HOS-TOT
MG/L °
0.005K
0.005K
0.010K
 530601
47  22 00.0 1?1  23  35.n 4
COLD  CREEK
S3       KITTITAS en HWY
             LAKE          13049?
             MI  5 OF HYAK   OF  ELLENSRIlop
                                                                                    DEPTH  CLASS  oo
 K VALUE  KNOWN TO BE LESS
      THAN INDICATED

-------
       OETRTEVAL OATE
MATL
EPA- i AS  VEGAS
                     00630
OATF   TIME  OEPT'-' MOPS.N01
FwOM     OF         M-T'1T4|.
 TO    OAv   FEET    MG/L
                                TOT
74/OQ/3?  11
74/10/19  14
74/11/lf.  IP
             50
           20
                      1.048

K Jf.L
N
v5 /L
0 .1 OOK
0. 100K
O.POO
00^,10
NH3-N
TOTAL
MG/L
0.015
o.o?o
o.ooa
                                                                    5306E1
                                                                   47 23 40.0  121 22 50.0  4
                                                                   ROLD C9EEK
                                                                   S3       KITTIT6S CO HWY
                                                                   T/KEECHELUS LAKE          130492
                                                                   BANK SMO(_  .$ MI ME OF HYAK OF
                                                                      0000 FEET   DEPTH  CLASS  00
                                                      MG/L
                                                                  0066S
                                                     PHOS-DIS   PHOS-TOT
MP/L P

  O.OOSK
  0.005K
  0.010K
0.005K
0.005*
0.008K
    K VALUE KNOWN TO BE LESS
        THAN INDICATED

-------
       3ET3IFVAL
     EUTROPHICATION
EPA- LA? VEGAS
 53061F
47 ??  10.0  131  37 25.0 4
CEDAR  RIVER
5?       15  RANOEHA
T/KEECHEUJS LAKE
COYOTE PS  ACC  RD XING 1.4
                                                                                                CHES MOP
                                                                    oooo FEET   DEPTH  CLASS no
TO
74/0^/28
74/1 1/lf,
74/13/14
75/06/17
75/"H/l«,
OF
na v
12 40
10 45
11 25
11 25
12 00
11 ™
              FEET
00630
NO 3ll>N03
Nt-TOTAL
Mb/L
0.052
0.002
0 . 128
O.OflB
0.020
0.040
00625
TOT KJEL
N
MG/L
0.100
0.200
0.300
0.100
0.050
0.200
00610
MH3-NJ
TOTAL
MG/L
0.010
0.0?0
0.0«8
0.005
0.015
0.015
0067]
PHOS-r>IS
ORTHO
MG/L P
0.005K
0.005<
O.OOBK
0.005K
0.005K
0.005K
00665
PHOS-TOT

MG/L P
0.005K
O.OOS
0.010K
0.010K
0.010K
0.010K
   K VALUE KNOWN TO BE LESS
       THAN INDICATED

-------
?TO»ET QET3IF.VAL
NATL
EPA- LAS VEGAS
                   F 76/H/lf>
 53061G
47 18 20.0  121 30 50. P  4
S FORK CEDAR
53       15
T/KEECHELUS
LOGGING  BO  H»OG .6 MI
11FP6LES
 0000 FF.FT   OEUTH  CLASS  00
                                                                                              1 31 1 Q1
                                                                                                  OF N FORK

DATE
FSQM
TO
74/n9/?R
74/10/20
74/11/16
75/06/17
75/08/16

TI«E OEPT*
OF
0«v FEET
19 OS
11 15
11 50
12 45
14 50
00630
NOP^NOT
N-TOTAL
MG/L
o.ooe
0.016
0.024
0.005
0.010
00625
TOT KJEL
N
MG/L
0. 100K
0.100
0. 100K

0.550
00610
NHT-N
TOTAL
MG/L
0.005
0.015
0.04B
0.015
0.015
00671
PHOS-DIS
OPTHO
MG/L P
0.005K
0.005K
0.008K
0.005K
0.005
00^65
PHDS-TOT

MG/L f
0.005
0.005
0.010K
0.010K
0.010K
K VALUE KNOWN TO BE LESS
    THAN INDICATED

-------
STO=ET SETOTFVAL OATF
NATL EUTPCPHICATION  S'.l°vEY
F.PA- LAS  VEGAS
 53061H
47 21  04. n 121 39  45. n 4
RIX RH/E4
5?       15 3ANUEWA
T/KEECHELtlS LAKE          1311^1
BANK  SMPL 1 MI UPSTHM COYOTE  PASS Mj
                                                                             FEET   DEI-TH  CLASS on
DATF
TO
74/09/2S
74/10/20
74/11/16
74/12/14
75/06/17
75/08/16
TIMF 1
OF
DAY
12 00
10 15
10 55
10 50
11 00
12 45
00630
'JO?S.NO^
N-TI"IT AL
M o / L
0.02*
n.o?2
0.072
0.064
0.030
O.OPO
00625
TOT KJEL
N
MG/L
0.300
0.100
0.200
0.200

0.600
00610
Mn3-N
TOTAL
MG/L
0.025
0.015
0.016
0.005
0.020
0.015
00671
pHos-nis
OWTHO
MG/L P
0.005K
0.005K
o.noec
0.005K
0.020
0.005
00665
PHOS-TOT

MG/L ^
0.005
0.005
0.010K
0.010K
0.020
0.010K
  K VALUE KNOWN TO BE LESS
      THAN INDICATED

-------
STORET RETRIEVAL  DATE 76/11/16
NATL F.UTROPHICATIOI" SURVEY
EPA- L*S VEGAS
 53061J
47 22 00.0  121 50 30.0  4
BOULDER CREEK
S3      1^  (HANDERA
T/KEECHELUS LAKE          1311O1
PRIVATE RO  XING .8 M «?£• CHESTER MQWSF LK
11EPAI.ES              !>lll?n4
 0000 FEET   DEPTH  CLASS  0"
  DATF   TIME  DEPTH MO;
  FROM    OF         M-1
   TO    DAY   FFET     I

74/no/;?fl 11  m
74/10/20 n<3  55
74/11/16 10  25
74/12/14 10  20
75/08/16 11  50
0630
5.N03
nTAl.
G/L
0.036
o.osa
fl.096
0.088
0.0?5
00625
TOT KJEL
N
MG/L
0.200
0.300
0.300
0.200
0.300
00610
NH3-M
TOT3L
MG/L
0.010
0.030
0.0=16
0.010
0.020
00671
PHOS-OIS
npTHO
MG/L P
0.005^
0.005K
0.008K
0.005
0.005
OOf-65
PHOS-TOT

MG/L P
0.010
0.015
0.010K
0.010K
0.010K
     K VALUE KNOWN TO BE LESS
         THAN INDICATED

-------
STO°ET  tfETSjEVAL OATF
MAIL EUTOQPHICATIO'!
   - LA?  VEGAS
 S30f>lK
47 13  30.0 1?1  3ft  10.0 *
S«flY CREEK
S3       7.S


DATF
FRQM
TO
/OP/2'


00630 006?5
TIME DEPTH MO.'^NOl TOT KjEL
nf N-TOTAL N
PAY FEET «G/L MG/L
1 19 00 0.03R 0.300


OOMO
MH3-N
TOTAL
MG/L
0.016


00671
PhOS-DIS
OflTHO
MG/L P
0.005K
T/KEECHELUS LAc.E 13
SEC RD RROG ?.A MI £ QF «Av
1jc~DAirc oillOn
1 t^OLtS »*1 1 1 cl
0000 FEET OE^TH CLASS 00
00<-65
PHOS-TOT
MR/L P
0.010
   K VALUE KNOWN TO BE LESS
        THAN  INDICATED

-------
STOPFT
MATL
FFA- LAS  VEGAS
                  O&TF.
OBTF
F^OM
 TO
74/1
          TIME
           OF
               FEET
          11
                                                                   47 13 15.0  I?!  27 20. n 4
                                                                     T/KEEChELLIS  LANE          1311Q?
                                                                     BANK S^PL  ABOUT I . 9 MI NF  OF LESTFR
                                                                      noon FF.FT   DFF-TM  CLAS?  no
00630
N02\Nm
N-TnTAl.
MP /L
n . o 3 4
n . o 1 6
00625
TOT KJtL
W
MG/L
o . i o or
0.300
006)0
KJH3-N)
T 0 T A L
MG/L
n.nes
0.008
00671
PHOS-OIS
ORThf)
MG/L P
0.015
0.0?4
00665
°"OS-TOT

MT,/L 0
0.0?0
0.024
  K VALUE KNOWN TO BE LESS
      THAN INDICATED

-------
?TO°ET QETSIEV4L OATf-
NATL EUTPOPHICATIO\ S
EP4- |.AS  VEC-AS
  DATE    TIME  OEPTM
  FRO"     OF         N-TiTAI.
   TO     HAY   FFET    •'-/L
          12
                        n.
74/11/05
  006?5
TOT KJEL
   N
  "G/L

   0. 100K
   o.ion<
 00610
WH1-N
TOTAL
 MG/L

  0.010
  o.nnn
                                                       00671
                                                     PHOS-01S
MG/L
  0.010
  O.OOS
                                     47  i? so.o i?i  a1^  20.n 4
                                     GREEN -RIVER
                                     53       I6; LF^TF^
                                     T/KEECHELli"; LAKE          131
                                     BANK  SMPL ABOUT  3.3 MI E OF
                                     ll^.DALES              ?111204
                                      0000 FEfT  DEPTH   CLASS 00
                                  00665
0.010
0.010K
  K VALUE KNOWN TO BE LESS
      THAN INDICATED

-------
                            APPENDIX E

                   PARAMETRIC RANKINGS OF LAKES
                      SAMPLED BY NES IN 1975

                        STATE OF WASHINGTON
     Mean or median values for six of the key parameters  evaluated
in establishing the trophic conditions of Washington lakes  sampled
are presented to allow direct comparison of the ranking,  by parameter,
of each lake relative to the others.   Median total  phosphorus,  median
inorganic nitrogen and median dissolved orthophosphorus levels  are
expressed in mg/1. Chlorophyll ^values are expressed in  yg/1.
To maintain consistent rank order with the preceding parameters,
the mean Secchi disc depth, in inches, is subtracted from 500.
Similarly, minimum dissolved oxygen values are subtracted from  15
to create table entries.

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LAKE DATA TO BE USED IN RANKINGS

LAKE
CODE .  LAKE NAME

5301  AMERICAN LAKE

5302  BANKS LAKE

5303  CHELAN LAKE

5304  DIAMOND LAKE

5305  GREEN LAKE

5306  KEECHELUS LAKE

5307  MAYFIELD LAKE

5308  MEDICAL LAKE

5309  MOSES LAKE

5310  07ETTE LAKE

5311  SAMMAMISH LAKE

5312  WHATCOM LAKE

5313  LOWER GRANITE RESERVOIR
MEDIAN
TOTAL P
0.027
0.021
0.005
O.OU
0.027
0.007
0.014
0.275
0.115
0.010
0.015
0.009
0.033
MEDIAN
INORG N
0.105
0.040
0.070
0.060
0.050
0.040
0.100
0.225
0.150
0.110
0.210
0.320
0.150
500-
MEAN SEC
343.000
364.533
111.900
303.667
415.000
280.250
402.000
401.714
463.600
403.333
374.000
288.000
435.500
MEAN
CHLORA
4.822
7.373
0.905
14.537
2.983
1.400
4.250
16.425
29.060
1.225
7*290
3.422
4.875
15-
MIN DO
15.000
10.800
6.400
14.200
10.600
9.200
10.600
15.000
14.600
7.200
14.600
10.800
7.200
MEDIi
DISS ORTi
0.007
0.007
0.003
0.010
0.009
0.002
0.007
0.166
0.038
0.009
0.006
0.009
0.022
AN

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PERCENT OF LAKES WITH HIGHER VALUES  (NUMBER OF LAKES WITH  HIGHER VALUES)

LAKE
CODE  LAKE NAME

5301  AMERICAN LAKE

5303  BANKS LAKE

5303  CHELAN LAKE

530*  DIAMOND LAKE

5305  GREFN LAKE

530ft  KEECHELUS LAKE

5307  MAYFIELD LAKE

5308  MEDICAL LAKE

5309  MOSES LAKE

5310  07ETTE LAKE

531]  SAMMAMISH LAKE

5312  WHATCOM LAKE

5313  LOWER GRANITE RESERVOIR
MEDIAN
TOTAL P
29 (
42 (
100 1
6? .1
29 1
92 1
62 1
0 I
8 I
75 I
50
83
17
! 3)
: 5)
! 12)
! 7)
I 3)
I 11)
I 7)
[ 0)
I 1)
( 9)
( 6)
( 10)
( 2)
MEDIAN
INORG N
50 (
100 <
67 (
75 (
83 <
92 (
58 (
8 <
29 (
42 (
17 (
0 .(
29 (
6)
12)
8)
9)
10)
11)
7)
1)
3)
5)
2)
0)
3)
500-
MEAN SEC
67 1
58 1
100 1
75 I
17 i
92 i
33 i
4? i
0 <
25 '
50
S3
8
I 8)
! 7)
[ 12)
! 9)
t 2)
t 11)
( 4)
t 5)
C 0)
f 3)
< 6)
( 10)
( 1)
MEAN
CHLORA
50 (
25 1
100 (
17 1
75 1
83 1
58 1
8 1
0 I
92 1
33 '
67 i
42
! 6)
: 3)
: 12)
! 2)
: 9)
[ 10)
; 7)
i i)
t 0)
[ in
( 4)
( 8) •
( 5)
15-
MIN DO
4 (
46 I
100 1
33 1
62 1
75 1
.62 1
4 I
21 1
87 1
21
46 i
87
: f o)
[ 5)
! 12)
! 4)
[ 7)
I 9)
[ 7)
[ 0)
t 2)
[ 10)
( 2)
( 5)
( 10)
MEDIAN
DISS ORTHO
58 (
71 (
92 <
25 (
46 1
100 <
71 (
0 1
8 1
33 1
83 i
46 1
17 i
7)
: ft}
11)
: 3)
: 5>
: i?)
: P)
' f»
! 1)
; 4)
t i")
t 5)
t ?)

-------