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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.
Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Information Daily Values, Unit Values 1918-10-09 2024-11-21
Physical Unit Values 2007-10-01 2024-11-21
n/a USGS Annual Water Data Reports Site 2005-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 11277500 is associated with a Lake, Reservoir, Impoundment in Tuolumne County, California. Current conditions of Lake or reservoir water surface elevation above NAVD 1988, Lake or reservoir water surface elevation above NGVD 1929, and Reservoir storage are available. Water data back to 1918 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
11277500 n/a
Site name
LK ELEANOR NR HETCH HETCHY CA n/a
Site type
Lake, Reservoir, Impoundment
LK
DMS latitude 375827 n/a
DMS longitude 1195248 n/a
Decimal latitude 37.9740879 n/a
Decimal longitude -119.881013 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Accurate to + or - 5 sec. F
Latitude-longitude datum
North American Datum of 1927 NAD27
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
California 06
State
California 06
County
Tuolumne County 109
Country US n/a
Land net location description SENWS03 T01N R19E M n/a
Name of location map CHERRY LAKE SOUTH n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 5.78 feet n/a
Method altitude determined GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System X
Altitude accuracy .16 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
18040009
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNYNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried n/a
Drainage area
78.1 square miles n/a
Contributing drainage area n/a
Time Zone abbreviation PST n/a
Site honors Daylight Saving Time
Y n/a
Data reliability
n/a
Data-other GW files NNNNNNNN n/a
National aquifer n/a
Local aquifer n/a
Local aquifer type
n/a
Well depth n/a
Hole depth
n/a
Source of depth data n/a
Project number n/a

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logo for San Francisco Hetch Hetchy Water and Power, City and County of
San Francisco Hetch Hetchy Water and Power, City and County of