USGS LOGO
2000 California Hydrologic Data Report
a Elevation, in feet, at end of month.
b Change in contents, in acre-feet.
                                    11239500 SHAVER LAKE NEAR BIG CREEK, CA.  


LOCATION - Lat 37°08'41", long 119°18'06", in SW 1/4 SE 1/4 sec.13, T.9 S., R.24 E., Fresno County, 
Hydrologic Unit 18040006, Sierra National Forest, near center of dam on Stevenson Creek, and 5.2 
mi southwest of town of Big Creek.

DRAINAGE AREA - 29.1 mi".

PERIOD OF RECORD - November 1909 to current year. Prior to January 1927, monthly contents only, published 
in WSP 1315-A; January 1927 to September 1931, published in WSP 721. Maximum and minimum daily 
contents (water years 1928.39) summarized in WSP 881. Prior to 1960, maximum and minimum daily contents 
were published.

REVISED RECORDS - WSP 1565: Drainage area.

GAGE - Water-stage recorder. Datum of gage is sea level (levels by Southern California Edison Co.). Prior 
to Jan. 11, 1927, gage on rockfill dam a short distance upstream at different datum.

REMARKS - Storage began prior to 1905. Original lake formed by rockfill dam, usable capacity, 5,500 acre-ft. 
Water diverted by Fresno Flume and Lumber Co.'s Flumes No. 1 and 2 beginning prior to 1907 
and discontinued July 7, 1920. Present lake formed by concrete-arch dam; dam completed Nov. 18, 1927. 
Usable capacity of present lake, 135,568 acre-ft, between elevations 5,225 ft, trash-rack foundation, 
and 5,370.13 ft, crest of spillway. Additional storage of 92 acre-ft is not available for release. 
Water is received from Pitman Creek (since Feb. 22, 1928) and Huntington Lake (since Apr. 21, 1928) 
via Huntington.Shaver Conduit and Eastwood Powerplant (station 11238250). Water is released for power 
development in Big Creek powerplants. Records, including extremes, represent contents at 2400 hours. 
See schematic diagram of lower San Joaquin River Basin.

COOPERATION - Records were collected by Southern California Edison Co., under general supervision of 
the U.S. Geological Survey, in connection with a Federal Energy Regulatory Commission project. Contents 
not rounded to U.S. Geological Survey standards.

EXTREMES FOR PERIOD OF RECORD - Maximum contents, 135,897 acre-ft, July 5, 1946, Aug. 4, 1978, maximum 
elevation, 5,370.28 ft, Aug. 4, 1978; minimum contents, 652 acre-ft, Mar. 7, 1942, elevation, 5,249.38 
ft.

EXTREMES FOR CURRENT YEAR - Maximum contents, 134,783 acre-ft, July 19, elevation, 5,369.77 ft; minimum, 
79,398 acre-ft, Apr. 20, elevation, 5,341.57 ft. Capacity table (elevation, in feet, and contents, 
in acre-feet) (Based on table provided by Southern California Edison Co., dated Oct. 1, 1967) 5,245 
379 5,270 4,748 5,320 46,797 5,250 700 5,280 9,189 5,330 60,942 5,255 1,254 5,290 15,598 5,340 76,741 
5,260 2,070 5,300 24,004 5,350 94,568 5,265 3,206 5,310 34,455 5,371 137,476

RESERVOIR STORAGE (ACRE-FEET), WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000
DAILY OBSERVATION AT 2400 HOURS
DAY      OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP

1     113976  e112092   103483    91711    92661   e95996    86320    83095   118321   133217   130653   124872
2     114017  e111422   103463    91022    92661   e96177    86051    83796   119211   133195   130588   124851
3     114159   110778   103365    90192    92140    96359    85370    84185   120060   133152   130524   124618
4     114058   110697   103346    89347    92121    96359    84591    85460   120621   133152   130524   124703
5     114690   110778   103307    88543    92084    96016    83813    86625  e122605   133195   130481   124261

6     114670   110778   103268    87817    92121    95425    83130    88035  e124529   133217   130203   123590
7     115099  e110706  e103174    87109    92028    95387    82676    88670   126901   133260   130118   123296
8     114853  e110637  e103073    86966    91916    94701    82169    89567   128601   133000   129519   123149
9     115466  e110568  e102971    86966    92252    94379    81717    90707   129968   133043   128963   122666
10    115364   110496  e102869    86948   e92853    93907    81493    91804   131383   133195   128282   122352

11    115282   110254  e102767    86589   e93140    93284    81114    93133   132806   134022   128516   121685
12    115589   109371  e102665    87217   e93427    92793    80510    94266   133456   134326   128409   121622
13    115609   109030  e102564    87617   e93713    92102    80097    95292   133978   134587   127857   121309
14    116018   108810  e102462    87109   e94000    91730    79756    95921   134283   134283   127836   120061
15    115854   108689  e102360    87145   e94287    91208    79654    96340   134109   133978   127793   119481

16    116202   108228  e102258    87326   e94574    90413    79620    97258   133956   134022   127177   118818
17    116592   107571  e102156    87435    94816    89898    79466    97985   133739   134196   126646   118404
18    116592   107034   101689    88543    94720    89604    79585    98984   133674   134696   126540   118404
19    117189   106955   101126    88997    94720    89586    79585   100719   133695   134783   126202   117621
20    117231   106239   100584    88779    94568    89181    79398   101980   134022   134609   126076   117251

21    117251   105311   100043    89163    94739    89347    79688   103248   134391   134370   126097   116592
22    117251   105449    99465    89512    94587    89475    79739   104541   134565   133652   126118   116079
23    117313   104620    98406    90302    94739    89512    79671   106159   134544   132871   126054   115793
24    117045   104128    97449    90780    94644    89622    79995   107392   134696   132936   126097   115752
25    116572   103776    96894    91283    94587    89108    80528   108489   134674   133195   125970   115119

26    116100   103815    96225    91264    95063    88198    81390   109572   134761   132742   125907   114343
27    115139   103874    95501    91450   e95451    87417    82274   110617   134565   132181   125569   113469
28    114772   103639    94663    91413   e95633    87490    82938   111464   133956   132095   125210   112799
29   e114103   103385    93794    91450   e95814    87581    82868   112982   133826  e131694   124829   111988
30   e113433   103307    93209    91991      ---    87381    82972   114037   133521  e131286   124597   111121

31   e112763      ---    92475    92196      ---    86840      ---   114935      ---   130845   124618      ---
MAX   117313   112092   103483    92196    95814    96359    86320   114935   134761   134783   130653   124872
MIN   112763   103307    92475    86589    91916    86840    79398    83095   118321   130845   124597   111121
a             5354.54  5348.89  5348.74           5345.82  5343.64  5360.35  5369.19  5367.95  5365.02  5358.47
b      -1132    -9456   -10832     -279    +3618    -8974    -3868   +31963   +18586    -2676    -6227   -13497
CAL YR 1999 b -356
WTR YR 2000 b -2774


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