USGS Home
Contact USGS
Search USGS

National Water Information System: Web Interface

USGS Water Resources   

Data Category:
Home Current Conditions Site Information Mapper Surface Water Groundwater Water Quality Water Use Revisions Geographic Area:
United States Alabama Alaska American Samoa Arizona Arkansas British Columbia California Canton and Enderbury Islands Colorado Connecticut Delaware Dist. of Columbia Florida Georgia Guam Hawaii Idaho Illinois Indiana Iowa Johnston Atoll Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Midway Islands Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Northern Mariana Islands Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island Ryukyu Islands, Southern South Carolina South Dakota Swan Islands Tennessee Texas Trust Territories, Pacific Is U.S.Misc Caribbean Islands U.S.Misc Pacific Islands Utah Vermont Virgin Islands Virginia Wake Island Washington West Virginia Wisconsin Wyoming

Page Loading - Please Wait...

DESCRIPTION:

Latitude 37°35'14",   Longitude 121°57'35"   NAD27

Alameda County, California, Hydrologic Unit 18050004

Drainage area: 633 square miles

Datum of gage: 86.32 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1987-10-03	2024-12-17
Daily Data
Temperature, water, degrees Celsius	1975-10-30	2023-07-04	19926
Temperature, water, degrees Celsius	1958-10-22	2007-09-10	4768
Discharge, cubic feet per second	1891-01-01	2024-12-16	48921
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1975-10-30	1993-10-07	14616
Suspended sediment concentration, milligrams per liter	1959-12-13	2023-04-30	9092
Suspended sediment discharge, short tons per day	1959-10-01	2023-04-30	9968
Bedload sediment discharge, short tons per day	1999-10-01	2023-04-30	4674
Daily Statistics
Temperature, water, degrees Celsius	2005-10-04	2023-07-04	3611
Discharge, cubic feet per second	1891-01-01	2024-08-27	48817
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1975-10-30	1993-10-07	4040
Suspended sediment concentration, milligrams per liter	1959-12-13	2023-04-30	9092
Suspended sediment discharge, short tons per day	1959-10-01	2023-04-30	9968
Bedload sediment discharge, short tons per day	1999-10-01	2023-04-30	4674
Monthly Statistics
Temperature, water, degrees Celsius	2005-10	2023-07
Discharge, cubic feet per second	1891-01	2024-08
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1975-10	1993-10
Suspended sediment concentration, milligrams per liter	1959-12	2023-04
Suspended sediment discharge, short tons per day	1959-10	2023-04
Bedload sediment discharge, short tons per day	1999-10	2023-04
Annual Statistics
Temperature, water, degrees Celsius	2006	2023
Discharge, cubic feet per second	1891	2024
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1976	1994
Suspended sediment concentration, milligrams per liter	1960	2023
Suspended sediment discharge, short tons per day	1960	2023
Bedload sediment discharge, short tons per day	2000	2023
Peak streamflow	1892-03-30	2022-12-31	132
Field measurements	1924-02-06	2024-12-09	480
Field/Lab water-quality samples	1952-02-18	2022-04-30	3747
Water-Year Summary	2005	2023	19
Revisions	Loading...

OPERATION:

Record for this site is maintained by the USGS California Water Science Center

Email questions about this site to California Water Science Center Water-Data Inquiries