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DESCRIPTION:

Latitude 37°53'28",   Longitude 121°34'09"   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)	1999-06-27	2023-03-30
Daily Data
Discharge, tidally filtered, cubic feet per second	1999-06-25	2023-03-27	8346
Daily Statistics
Discharge, tidally filtered, cubic feet per second	1999-06-25	2021-08-09	7751
Monthly Statistics
Discharge, tidally filtered, cubic feet per second	1999-06	2021-08
Annual Statistics
Discharge, tidally filtered, cubic feet per second	1999	2021
Field measurements	2001-07-17	2022-12-20	1101
Field/Lab water-quality samples	2010-03-15	2023-02-06	75
Water-Year Summary	2014	2020	7
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