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DESCRIPTION:

Latitude 38°00'59",   Longitude 121°34'55"   NAD83

Contra Costa County, California, Hydrologic Unit 18040003

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2006-06-08	2025-01-31
Daily Data
Discharge, tidally filtered, cubic feet per second	2006-06-15	2025-01-28	5827
Daily Statistics
Discharge, tidally filtered, cubic feet per second	2006-06-15	2021-02-25	4822
Monthly Statistics
Discharge, tidally filtered, cubic feet per second	2006-06	2021-02
Annual Statistics
Discharge, tidally filtered, cubic feet per second	2006	2021
Field measurements	2006-08-01	2025-01-14	994
Field/Lab water-quality samples	2010-09-16	2022-08-17	60
Water-Year Summary	2014	2021	8
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