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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	2020-01-25
Daily Data
Discharge, tidally filtered, cubic feet per second	2006-06-10	2020-01-22	4526
Daily Statistics
Discharge, tidally filtered, cubic feet per second	2006-06-10	2018-09-26	4085
Monthly Statistics
Discharge, tidally filtered, cubic feet per second	2006-06	2018-09
Annual Statistics
Discharge, tidally filtered, cubic feet per second	2006	2018
Field measurements	2006-08-15	2020-01-08	666
Field/Lab water-quality samples	1994-09-28	2016-07-13	29
Water-Year Summary	2014	2017	4
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