Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins
  • Due to a lapse in government funding, the majority of USGS websites will not be updated except to provide important public safety information. Websites displaying real-time water data will be updated with limited support. For more information please see www.doi.gov/shutdown.
  • Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

USGS 11275500 HETCH HETCHY RES A HETCH HETCHY CA

  Lake Site

DESCRIPTION:
Latitude 37°56'52",   Longitude 119°47'13"   NAD27
Tuolumne County, California, Hydrologic Unit 18040009
Drainage area: 455 square miles
Datum of gage: 1.70 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Current / Historical Observations     (availability statement)    2007-10-01  2025-10-07  
 Daily Data
    Reservoir storage, acre-feet  1972-10-01  1995-09-30  8400 
    Reservoir storage, acre-feet  1930-10-01  2025-10-06  26206 
 Water-Year Summary 2005  2024  20 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS California Water Science Center
Email questions about this site to California Water Science Center Water-Data Inquiries