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Water-Year Summary for Site 11173490

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
62614 Elevation, lake/res, NGVD29(Max.,Min.)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
11173490 CALAVERAS RESERVOIR NEAR SUNOL CA
LOCATION - Lat 37°29'25.1", long 121°49'43.6" referenced to North American Datum of 1983, in NE 1/4 NE 1/4 sec.23, T.5 S., R.1 E., Alameda County, CA, Hydrologic Unit 18050004, at southwest shore boat ramp, 0.10 mi east of Calaveras Road, and 7.9 mi southeast of Sunol.
DRAINAGE AREA - 98.6 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - February 2016 to current year.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929 and 2.80 ft above NAVD of 1988.
REMARKS - Storage began in 1925. Dam was replaced by SF PUC, construction started in 2011 and was completed 2019.