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DESCRIPTION:

Latitude 38°04'16",   Longitude 121°34'44"   NAD83

Contra Costa County, California, Hydrologic Unit 18040003

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2006-05-16	2025-01-29
Daily Data
Discharge, tidally filtered, cubic feet per second	2006-05-18	2025-01-26	6458
Daily Statistics
Discharge, tidally filtered, cubic feet per second	2006-05-18	2023-09-03	5959
Monthly Statistics
Discharge, tidally filtered, cubic feet per second	2006-05	2023-09
Annual Statistics
Discharge, tidally filtered, cubic feet per second	2006	2023
Field measurements	2006-08-01	2024-12-12	890
Field/Lab water-quality samples	2010-03-15	2022-09-06	55
Water-Year Summary	2014	2022	9
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