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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 Water-quality 1978-06-07 1978-06-07
Physical Daily Values, Unit Values, Water-quality 1963-10-01 2024-11-21
Sediment Daily Values, Water-quality 1973-10-01 1979-06-30
n/a Peak Measurements 1964-01-21 2022-12-31
n/a Site Visits 1974-05-01 2024-06-27
n/a USGS Annual Water Data Reports Site 2005-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 11176400 is associated with a Stream in Alameda County, California. Current conditions of Discharge, Gage height, and Stream water level elevation above NAVD 1988 are available. Water data back to 1963 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
11176400 n/a
Site name
ARROYO VALLE BL LANG CYN NR LIVERMORE CA n/a
Site type
Stream
ST
DMS latitude 373341 n/a
DMS longitude 1214058 n/a
Decimal latitude 37.56132196 n/a
Decimal longitude -121.6838389 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
Alameda County 001
Country US n/a
Land net location description NENES30 T04S R03E n/a
Name of location map MENDENHALL SPRINGS, n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 749.09 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
18050004
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
130 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

Operated in cooperation with:

logo for California Department of Water Resources
California Department of Water Resources
logo for USGS - Cooperative Matching Funds
USGS - Cooperative Matching Funds