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DESCRIPTION:

Latitude 38°03'08",   Longitude 121°41'16"   NAD27

Contra Costa County, California, Hydrologic Unit 18040003

Datum of gage: 0 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1994-05-11	2021-01-22
Daily Data
Discharge, tidally filtered, cubic feet per second	1994-05-14	2021-01-19	8813
Daily Statistics
Discharge, tidally filtered, cubic feet per second	1994-05-14	2020-09-16	8688
Monthly Statistics
Discharge, tidally filtered, cubic feet per second	1994-05	2020-09
Annual Statistics
Discharge, tidally filtered, cubic feet per second	1994	2020
Field measurements	1995-01-19	2020-12-03	1675
Field/Lab water-quality samples	2010-09-17	2021-01-12	178
Water-Year Summary	2014	2019	6
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