USGS 11181000 SAN LORENZO C A HAYWARD CA

USGS Home
Contact USGS
Search USGS

USGS Water Resources

Data Category:
Geographic Area:

Warning: Javascript must be enabled to use all the features on this page!

Page Loading - Please Wait...

Click to hideNews Bulletins

Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

Available data for this site

DESCRIPTION:: Latitude 37°41'08", Longitude 122°03'48" NAD27; Alameda County, California, Hydrologic Unit 18050004; Drainage area: 37.5 square miles; Datum of gage: 135.85 feet above NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations (availability statement)	1997-10-22	2025-07-03
Daily Data
Discharge, cubic feet per second	1940-04-01	2025-07-02	23678
Daily Statistics
Discharge, cubic feet per second	1940-04-01	2024-10-27	23430
Monthly Statistics
Discharge, cubic feet per second	1940-04	2024-10
Annual Statistics
Discharge, cubic feet per second	1940	2025
Peak streamflow	1940-02-27	2024-02-18	66
Field measurements	1940-01-04	2025-06-11	749
Field/Lab water-quality samples	1971-12-22	2017-05-14	20
Water-Year Summary	2005	2024	20
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

U.S. Department of the Interior | U.S. Geological Survey
Title: NWIS Site Information for USA: Site Inventory
URL: https://nwis.waterdata.usgs.gov/nwis/inventory?

Page Contact Information: California Water Data Support Team
Page Last Modified: 2025-07-03 22:21:53 EDT
0.3 0.29 nadww02