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DESCRIPTION:

Latitude 38°03'08",   Longitude 121°41'16"   NAD27

Contra Costa County, California, Hydrologic Unit 18040003

Datum of gage: 0 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1994-05-11	2025-09-14
Daily Data
Discharge, tidally filtered, cubic feet per second	1994-05-14	2025-09-11	10183
Daily Statistics
Discharge, tidally filtered, cubic feet per second	1994-05-14	2025-07-07	10121
Monthly Statistics
Discharge, tidally filtered, cubic feet per second	1994-05	2025-07
Annual Statistics
Discharge, tidally filtered, cubic feet per second	1994	2025
Field measurements	1995-01-19	2025-07-10	1830
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	2010-09-17	2024-02-07	283
Water-Year Summary	2014	2024	11
Revisions	Loading...

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