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DESCRIPTION:

Latitude 37°46'23",   Longitude 121°59'37"   NAD27

Contra Costa County, California, Hydrologic Unit 18050001

Drainage area: 5.89 square miles

Datum of gage: 549.17 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1987-10-01	2025-01-19
Daily Data
Discharge, cubic feet per second	1952-10-01	2025-01-18	26408
Daily Statistics
Discharge, cubic feet per second	1952-10-01	2024-12-04	26363
Monthly Statistics
Discharge, cubic feet per second	1952-10	2024-12
Annual Statistics
Discharge, cubic feet per second	1953	2025
Peak streamflow	1952-12-07	2024-02-18	72
Field measurements	1952-12-07	2024-12-27	649
Field/Lab water-quality samples	2017-04-05	2017-05-13	21
Water-Year Summary	2005	2024	20
Revisions	Loading...

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