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DESCRIPTION:

Latitude 37°41'40",   Longitude 121°55'10"   NAD83

Alameda County, California, Hydrologic Unit 18050004

Drainage area: 39.5 square miles

Datum of gage: 306.61 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2014-10-30	2025-07-01
Daily Data
Discharge, cubic feet per second	1979-08-30	2025-06-30	5389
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1979-09-13	1983-10-09	2184
Suspended sediment concentration, milligrams per liter	2016-12-01	2022-04-30	1212
Suspended sediment discharge, short tons per day	2016-12-01	2022-04-30	1212
Bedload sediment discharge, short tons per day	2016-12-01	2022-04-30	1008
Daily Statistics
Discharge, cubic feet per second	1979-08-30	2025-04-30	5328
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1979-09-13	1983-10-09	728
Suspended sediment concentration, milligrams per liter	2016-12-01	2022-04-30	1212
Suspended sediment discharge, short tons per day	2016-12-01	2022-04-30	1212
Bedload sediment discharge, short tons per day	2016-12-01	2021-10-06	1006
Monthly Statistics
Discharge, cubic feet per second	1979-08	2025-04
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1979-09	1983-10
Suspended sediment concentration, milligrams per liter	2016-12	2022-04
Suspended sediment discharge, short tons per day	2016-12	2022-04
Bedload sediment discharge, short tons per day	2016-12	2021-10
Annual Statistics
Discharge, cubic feet per second	1979	2025
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1979	1984
Suspended sediment concentration, milligrams per liter	2017	2022
Suspended sediment discharge, short tons per day	2017	2022
Bedload sediment discharge, short tons per day	2017	2022
Peak streamflow	1980-01-13	2024-01-22	14
Field measurements	1975-01-21	2025-06-12	258
Field/Lab water-quality samples	1974-10-01	2022-05-05	658
Water-Year Summary	2015	2024	10
Revisions	Loading...

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