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DESCRIPTION:

Latitude 38°01'38",   Longitude 121°33'52"   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	2021-06-20
Daily Data
Discharge, tidally filtered, cubic feet per second	2006-06-10	2021-06-17	5015
Daily Statistics
Discharge, tidally filtered, cubic feet per second	2006-06-10	2021-05-10	4981
Monthly Statistics
Discharge, tidally filtered, cubic feet per second	2006-06	2021-05
Annual Statistics
Discharge, tidally filtered, cubic feet per second	2006	2021
Field measurements	2006-08-15	2021-05-11	720
Field/Lab water-quality samples	1994-09-28	2021-05-20	40
Water-Year Summary	2014	2020	7
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