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DESCRIPTION:

Latitude 38°03'21",   Longitude 121°40'01"   NAD83

Contra Costa County, California, Hydrologic Unit 18040003

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2006-06-29	2019-12-09
Daily Data
Discharge, tidally filtered, cubic feet per second	2006-07-01	2019-12-06	4639
Daily Statistics
Discharge, tidally filtered, cubic feet per second	2006-07-01	2018-10-10	4229
Monthly Statistics
Discharge, tidally filtered, cubic feet per second	2006-07	2018-10
Annual Statistics
Discharge, tidally filtered, cubic feet per second	2006	2019
Field measurements	2006-08-10	2019-12-03	502
Field/Lab water-quality samples	1994-06-23	2016-07-13	32
Water-Year Summary	2014	2018	5
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