10340300  PROSSER CREEK RESERVOIR NEAR TRUCKEE, CA

LOCATION.--Lat 39°22'46", long 120°08'12", in NW 1/4 SW 1/4 sec.30, T.18 N., R.17 E., Nevada County, Hydrologic
   Unit 16050102, in control house on Prosser Creek Dam on Prosser Creek, 1.4 mi upstream from mouth, and 4.2 mi
   northeast of Truckee.
DRAINAGE AREA.--50.3 mi2.
PERIOD OF RECORD.--January 1963 to current year.  January 1963 to September 1987 (monthend elevations and
   contents only).  Prior to October 1976, published as "near Boca."
REVISED RECORDS.--WDR CA-76-3:  1975.  WDR CA-79-3:  Drainage area.
GAGE.--Nonrecording gage read five times weekly.  Datum of gage is sea level (levels by U.S. Bureau of
   Reclamation).
REMARKS.--Reservoir is formed by rolled-earth and rockfill dam.  Storage began Jan. 30, 1963.  Usable capacity,
   28,641 acre-ft between elevations 5,660.6 ft, top of inactive contents, and 5,741.2 ft, crest of spillway.
   Inactive contents, 1,201 acre-ft, includes 83 acre-ft dead contents below elevation 5,637.0 ft.  Figures given
   represent total contents at 0800 hours.  Reservoir is used for flood control, enhancement of fishery, and
   recreation.  See schematic diagram of Truckee River basin.
COOPERATION.--Gage readings and capacity table were provided by U.S. Bureau of Reclamation, not rounded to
   U.S. Geological Survey standards.
EXTREMES (at 0800) FOR PERIOD OF RECORD.--Maximum contents, 33,719 acre-ft, May 19, 1996, elevation, 5,746.11 ft;
   minimum since reservoir first filled, 66 acre-ft, Oct. 10-12, 1983, elevation, 5,635.75 ft.
EXTREMES (at 0800) FOR CURRENT YEAR.--Maximum contents observed, 33,719 acre-ft, May 19, elevation, 5,746.11 ft;
   minimum observed, 9,500 acre-ft, Mar. 26, elevation, 5,702.71 ft.

                         Capacity table (elevation, in feet, and contents, in acre-feet)
                   (Based on table provided by U.S. Bureau of Reclamation, dated August 1962)

                                 5,630     17     5,680   3,791    5,720  16,643
                                 5,640    143     5,690   5,901    5,730  22,220
                                 5,650    491     5,700   8,636    5,740  28,949
                                 5,660  1,148     5,710  12,147    5,750  37,046
                                 5,670  2,230


                    RESERVOIR STORAGE (ACRE-FEET), WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996
                                        DAILY OBSERVATION AT 0800 HOURS

DAY       OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP

  1     15740     9960     9908    10192     9676     9598     9532    19789    29827    28157    25766    21788
  2     15501     9964     9936    10234     9686     9602     9686    20402    29827    28345    25725    21606
  3     15263     9970     9960    10240     9686     9615     9733    20998    29895    28520    25671    21368
  4     15047     9977     9991    10234     9686     9686     9737    21493    29970    28680    25617    21105
  5     14842     9984    10085    10216    10573     9733     9737    21934    29804    28826    25583    20846

  6     14630     9984    10160    10164    11578     9733     9761    22350    29610    28956    25460    20589
  7     14426     9991    10206    10108    11375     9787     9834    22908    29431    28709    25347    20331
  8     14219     9998    10195    10054    10852     9814     9994    23489    29461    28382    25241    20083
  9     14009    10004    10164    10002    10261     9845    10240    24016    29468    28057    25134    19835
 10     13797    10012    10123     9942    10081     9888    10530    24564    29431    27728    25021    19592

 11     13589    10012    10095     9915    10060     9953    10739    25108    29260    27528    24908    19333
 12     13381    10018    10566     9901    10026    10054    10870    25739    29016    27513    24814    19150
 13     13187    10026    11263     9888     9984     9981    11233    26444    28797    27542    24702    18946
 14     12967    10032    10819     9875     9942     9875    11586    27253    28564    27714    24604    18742
 15     12760    10040    10555     9862     9891     9875    11970    28085    28287    27749    24486    18548

 16     12554    10043    10324     9882     9851     9942    12640    29993    27978    27756    24355    18402
 17     12353    10046    10054    10095    10026    10036    13429    31855    27771    27742    24224    18217
 18     12143    10054     9774    10088    10431    10171    14018    33434    27628    27699    24094    18026
 19     11943      ---     9747    10043    10793    10184    14521    33719    27471    27656    23965    17825
 20     11736    10068     9713     9964    11222    10226    14954    33043    27485    27606    23810    17624

 21       ---    10068     9703     9882    10921    10108    15362    32429    27499    27556    23657    17437
 22       ---    10074     9689     9787    10410    10036    15721    32365    27499    27499    23510    17240
 23     11121    10074     9747     9747     9824     9908    16091    32285    27485    27443    23344    17045
 24     10921    10081     9794     9754     9784     9665    16558    32108    27471    27358    23174    16846
 25     10717    10088     9835     9754     9727     9565    17209    31572    27457    27260    23034    16648

 26       ---    10123     9878     9727     9605     9500    17867    30609    27429    27162    22889    16458
 27     10318    10150     9929     9747     9582     9552    18277    30401    27528    26824    22703    16259
 28     10235    10095     9984     9754     9602     9787    18575    30212    27685    26479    22524    16057
 29     10144    10032     9970     9730     9588     9787    18803    29970    27835    26133    22338    15867
 30     10068     9970     9956     9716      ---     9686    19239    29865    28000    25923    22153    15672
 31      9984      ---    10071     9699      ---     9585      ---    29850      ---    25800    21983      ---

MAX       ---      ---    11263    10240    11578    10226    19239    33719    29970    28956    25766    21788
MIN       ---      ---     9689     9699     9582     9500     9532    19789    27429    25800    21983    15672
 a    5704.15  5704.11  5704.40  5703.31  5702.98  5702.97  5724.90  5741.21  5738.69  5735.54  5729.61  5718.03
 b      -6000      -14     +101     -372     -111       -3    +9654   +10611    -1850    -2200    -3817    -6311

WTR YR 1996  b -312

  a Gage height, in feet, at end of month.
  b Change in contents, in acre-feet.