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DESCRIPTION:

Latitude 38°04'16",   Longitude 121°34'44"   NAD83

Contra Costa County, California, Hydrologic Unit 18040003

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2006-05-16	2025-09-30
Daily Data
Discharge, tidally filtered, cubic feet per second	2006-05-18	2025-09-29	6712
Daily Statistics
Discharge, tidally filtered, cubic feet per second	2006-05-18	2024-09-04	6326
Monthly Statistics
Discharge, tidally filtered, cubic feet per second	2006-05	2024-09
Annual Statistics
Discharge, tidally filtered, cubic feet per second	2006	2024
Field measurements	2006-08-01	2025-08-20	914
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	2010-03-15	2022-09-06	55
Water-Year Summary	2014	2023	10
Revisions	Loading...

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