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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
Biological Water-quality 2000-05-09 2003-09-16
Information Unit Values, Water-quality 2002-07-10 2024-11-20
Inorganics, Major, Metals Water-quality 1958-12-02 2003-09-16
Inorganics, Major, Non-metals Daily Values, Water-quality 1958-12-02 2003-11-30
Inorganics, Minor, Non-metals Water-quality 1958-12-02 2002-09-17
Inorganics, Minor, metals Water-quality 1959-05-13 2003-09-16
Nutrient Water-quality 1958-12-02 2003-09-16
Organics, other Water-quality 2002-07-10 2003-09-16
Physical Daily Values, Unit Values, Water-quality 1912-10-01 2024-11-20
Radiochemistry Water-quality 2002-09-17 2002-09-17
Sediment Unit Values, Water-quality 2018-04-07 2024-11-20
n/a Peak Measurements 1913-04-26 2023-04-30
n/a Site Visits 1953-01-19 2024-10-30
n/a USGS Annual Water Data Reports Site 2005-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 11520500 is associated with a Stream in Siskiyou County, California. Current conditions of Discharge, Gage height, Lower 90 percent prediction limit for SSC by regression (PCODE 99409), and more are available. Water data back to 1912 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
11520500 n/a
Site name
KLAMATH R NR SEIAD VALLEY CA n/a
Site type
Stream
ST
DMS latitude 415114 n/a
DMS longitude 1231352 n/a
Decimal latitude 41.8537379 n/a
Decimal longitude -123.2322733 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
Siskiyou County 093
Country US n/a
Land net location description W2SWSWS03 T46N R12W M n/a
Name of location map SEIAD VALLEY, CA n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 1313.78 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
18010206
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
6940 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 NYNNNNNN 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 Karuk Tribe
Karuk Tribe
logo for USGS - Federal Priority Streamgages
USGS - Federal Priority Streamgages