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DESCRIPTION:

Latitude 37°53'28",   Longitude 121°34'09"   NAD27

Contra Costa County, California, Hydrologic Unit 180400030605

Datum of gage: 0.0 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2010-10-01	2025-08-28
Daily Data
Discharge, tidally filtered, cubic feet per second	1999-06-25	2025-08-25	9109
Daily Statistics
Discharge, tidally filtered, cubic feet per second	1999-06-25	2022-09-26	8164
Monthly Statistics
Discharge, tidally filtered, cubic feet per second	1999-06	2022-09
Annual Statistics
Discharge, tidally filtered, cubic feet per second	1999	2022
Field measurements	2001-07-17	2025-06-10	1204
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	2022	9
Revisions	Loading...

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