USGS Home
Contact USGS
Search USGS

National Water Information System: Web Interface

USGS Water Resources   

Data Category:
Home Current Conditions Site Information Mapper Surface Water Groundwater Water Quality Water Use Revisions Geographic Area:
United States Alabama Alaska American Samoa Arizona Arkansas British Columbia California Canton and Enderbury Islands Colorado Connecticut Delaware Dist. of Columbia Florida Georgia Guam Hawaii Idaho Illinois Indiana Iowa Johnston Atoll Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Midway Islands Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Northern Mariana Islands Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island Ryukyu Islands, Southern South Carolina South Dakota Swan Islands Tennessee Texas Trust Territories, Pacific Is U.S.Misc Caribbean Islands U.S.Misc Pacific Islands Utah Vermont Virgin Islands Virginia Wake Island Washington West Virginia Wisconsin Wyoming

Page Loading - Please Wait...

DESCRIPTION:

Latitude 37°14'01.77",   Longitude 122°22'02.42"   NAD83

San Mateo County, California, Hydrologic Unit 18050006

Drainage area: 18.3 square miles

Datum of gage: 46.36 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2024-04-17	2025-09-20
Daily Data
Discharge, cubic feet per second	1962-07-01	1974-10-07	4482
Discharge, cubic feet per second	1962-07-01	2025-09-19	5002
Daily Statistics
Discharge, cubic feet per second	1962-07-01	1974-10-07	4482
Discharge, cubic feet per second	1962-07-01	2025-04-02	4832
Monthly Statistics
Discharge, cubic feet per second	1962-07	1974-10
Discharge, cubic feet per second	1962-07	2025-04
Annual Statistics
Discharge, cubic feet per second	1962	1975
Discharge, cubic feet per second	1962	2025
Peak streamflow	1961	1974-04-01	14
Field measurements	1970-10-05	2025-09-11	64
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1970-11-12	1973-01-18	9
Water-Year Summary	2024	2024	1
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