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DESCRIPTION:

Latitude 37°53'28",   Longitude 121°34'09"   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)	1999-06-27	2025-09-04
Daily Data
Discharge, tidally filtered, cubic feet per second	1999-06-25	2025-09-01	9235
Daily Statistics
Discharge, tidally filtered, cubic feet per second	1999-06-25	2025-01-25	9016
Monthly Statistics
Discharge, tidally filtered, cubic feet per second	1999-06	2025-01
Annual Statistics
Discharge, tidally filtered, cubic feet per second	1999	2025
Field measurements	2001-07-17	2025-08-05	1212
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	2010-03-15	2023-07-06	76
Water-Year Summary	2014	2024	11
Revisions	Loading...

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