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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
Physical Unit Values 2019-04-25 2024-11-22
Water Data for the Nation inventory

Monitoring location 11162730 is associated with a Lake, Reservoir, Impoundment in San Mateo County, California. Current conditions of Lake or reservoir water surface elevation above NAVD 1988 and Lake or reservoir water surface elevation above NGVD 1929 are available. Water data back to 2019 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
11162730 n/a
Site name
SAN ANDREAS LAKE A DAM NR MILLBRAE CA n/a
Site type
Lake, Reservoir, Impoundment
LK
DMS latitude 373609.8 n/a
DMS longitude 1222541.6 n/a
Decimal latitude 37.6027222 n/a
Decimal longitude -122.4282222 n/a
Latitude-longitude method
Mapping grade GPS unit (handheld accuracy range 12 to 40 ft) G
Latitude-longitude accuracy
Unknown or unspecified. U
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
California 06
State
California 06
County
San Mateo County 081
Country US n/a
Land net location description n/a
Name of location map MONTARA MOUNTAIN, CA n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 455 feet n/a
Method altitude determined Interpolated from Digital Elevation Model N
Altitude accuracy 1.6 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
4.98 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 Y 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 GC24ZG-10003 n/a

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