11293770  NEW SPICER MEADOW RESERVOIR NEAR BIG MEADOWS, CA

LOCATION.--Lat 38°23'35", long 119°59'53", in NW 1/4 NE 1/4 sec.9, T.7 N., R.18 E., Tuolumne County, Hydrologic
   Unit 18040010, Stanislaus National Forest, at outlet structure on upstream face of New Spicer Meadow Dam on
   Highland Creek and 7.7 mi east-southeast of Big Meadows.

DRAINAGE AREA.--45.4 mi2.
PERIOD OF RECORD.--February 1990 to current year.

GAGE.--Water-stage recorder.  Datum of gage is sea level (levels by Calaveras County Water District).
REMARKS.--Reservoir is formed by rockfill dam with a reinforced concrete face completed in December 1988.  Dam is
   600 ft downstream from original concrete gravity-type dam which was completed in 1929.  Usable capacity,
   184,298 acre-ft between elevations 6,420.0 ft, minimum operating head, and 6,614.0 ft, crest of spillway.
   Released water is used for hydroelectric power and fishery maintenance.  Records, including extremes,
   represent total contents at 2400 hours.  See schematic diagram of Stanislaus River basin.

COOPERATION.--Records were collected by Calaveras County Water District, 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, 188,616 acre-ft, July 8, 1995, elevation, 6,613.8 ft; minimum,
   30,198 acre-ft, Mar. 5, 1993, elevation, 6,491.2 ft.

EXTREMES FOR CURRENT YEAR.--Maximum contents, 184,670 acre-ft, June 8, elevation, 6,611.9 ft; minimum,
   91,080 acre-ft, Mar. 30, elevation, 6,557.0 ft.

                         Capacity table (elevation, in feet, and contents, in acre-feet)
                        (Based on survey by Calaveras County Water District in July 1989)

              6,420         4,702              6,500         35,214            6,580         125,341
              6,440         9,299              6,520         50,197            6,600         160,318
              6,460        15,511              6,540         69,652            6,614         189,000
              6,480        23,781              6,560         94,859


                    RESERVOIR STORAGE (ACRE-FEET), WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996
                                        DAILY OBSERVATION AT 2400 HOURS

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

  1    134757   114780   105124    99804    93623   106100    91218   125915   181631   181412   159414   134359
  2    133806   113914   104989    99736    92809   105598    91634   128504   182195   180849   159222   133687
  3    132885   113305   104804    99436    92389   105263    91842   130522   182870   180624   158645   132827
  4    131892   113016   104575    99271    93223   105514    92049   131962   183545   179837   158357   132059
  5    130920   112684   104210    98873    95686   105765    92603   133495   183995   179387   158165   131002

  6    129981   112151   103681    98699    96879   104676    93088   135224   184220   179049   157492   130425
  7    129132   111571   103202    98736    97461   103421    94123   136857   184220   178486   157300   129753
  8    128404   111047   102834    98701    97920   102588    95727   138491   184670   178036   156628   128985
  9    127409   110500   102554    98702    98457   101834    97569   139638   184445   177248   156052   128504
 10    126470   110100   102318    98549    98980   100914    98904   141464   183770   176461   155192   127741

 11    125425   109585   102928    98434    99402   100495   100411   143578   183882   175560   153750   126780
 12    124589   108966   104216    98161   100001    99992   101499   146070   183545   174885   152405   126107
 13    124164   108647   104338    97966   100597    98904   102253   148664   183432   174328   151253   125627
 14    123956   108221   104185    97918   101247    97485   103504   151061   183207   173765   149721   125004
 15    123439   107899   104008    97974   101807    96146   104760   154903   183882   173089   148471   124753

 16    122942   107739   103841    98229   102770    95141   106602   162742   183882   172414   147319   124334
 17    122352   107563   103655    98415   103909    94677   107937   167018   183432   172302   146454   124167
 18    121745   107363   103222    99742   104786    94330   108775   171739   183207   172077   146070   123999
 19    121023   107214   102619    98778   106089    94677   109194   173765   182757   172077   145302   123664
 20    120365   107061   101980    98839   106853    94607   109779   175447   182757   171402   144538   123414

 21    119942   106866   101555    99062   107774    94974   110198   176461   182645   170952   144057   123079
 22    119542   106719   101161    98936   107858    94890   110449   177473   182307   169938   143001   122744
 23    119036   106528   100779    98445   108021    94815   111119   178148   182082   169038   141848   122246
 24    118583   106264   100481    97941   108189    94330   112375   178373   181519   168032   140888   121576
 25    118326   106213   100195    97326   108524    93708   112790   178598   182082   166906   139735   120822

 26    117915   106027    99971    96612   108524    92603   115552   178711   181970   166006   138586   120404
 27    117322   105834    99829    96571   108356    91703   117561   178711   182307   164993   137818   119734
 28    116900   105703    99636    96575   107272    91772   119315   179499   182645   164205   137530   119232
 29    116599   105525    99509    96171   106686    91357   121409   180287   182420   163192   136569   118478
 30    116016   105397    99547    95425      ---    91080   123497   180737   181970   161622   135801   117808
 31    115557      ---    99710    94544      ---    91149      ---   181187      ---   159894   134840      ---

MAX    134757   114780   105124    99804   108524   106100   123497   181187   184670   181412   159414   134359
MIN    115557   105397    99509    94544    92389    91080    91218   125915   181519   159894   134840   117808
 a     6573.6   6566.9   6563.2   6559.8   6567.8   6557.1   6578.8   6610.2   6610.6   6599.8   6585.4   6575.1
 b     -19926   -10160    -5687    -5166   +12142   -15537   +32348   +57690     +783   -22076   -25054   -17032

CAL YR 1995  b +30132
WTR YR 1996  b -17675

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