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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	2025-01-29
Daily Data
Discharge, tidally filtered, cubic feet per second	2006-06-10	2025-01-26	6273
Daily Statistics
Discharge, tidally filtered, cubic feet per second	2006-06-10	2023-10-31	5865
Monthly Statistics
Discharge, tidally filtered, cubic feet per second	2006-06	2023-10
Annual Statistics
Discharge, tidally filtered, cubic feet per second	2006	2024
Field measurements	2006-08-15	2024-12-12	862
Field/Lab water-quality samples	1994-09-28	2022-08-17	65
Water-Year Summary	2014	2023	10
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