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 39°42'23",   Longitude 123°19'27"   NAD27

Mendocino County, California, Hydrologic Unit 18010104

Drainage area: 745 square miles

Datum of gage: 901.58 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1988-10-01	2024-11-23
Daily Data
Temperature, water, degrees Celsius	1958-10-02	1983-10-04	10810
Discharge, cubic feet per second	1965-10-01	2024-11-22	21603
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1966-10-01	1969-02-02	758
Suspended sediment concentration, milligrams per liter	1965-10-04	1976-09-29	3911
Suspended sediment discharge, short tons per day	1965-10-01	1976-09-29	4016
Daily Statistics
Discharge, cubic feet per second	1965-10-01	2024-08-14	21503
Suspended sediment concentration, milligrams per liter	1965-10-04	1976-09-29	3911
Suspended sediment discharge, short tons per day	1965-10-01	1976-09-29	4016
Monthly Statistics
Discharge, cubic feet per second	1965-10	2024-08
Suspended sediment concentration, milligrams per liter	1965-10	1976-09
Suspended sediment discharge, short tons per day	1965-10	1976-09
Annual Statistics
Discharge, cubic feet per second	1966	2024
Suspended sediment concentration, milligrams per liter	1966	1976
Suspended sediment discharge, short tons per day	1966	1976
Peak streamflow	1966-01-04	2022-12-30	58
Field measurements	1966-01-04	2024-11-18	379
Field/Lab water-quality samples	1956-01-10	1982-04-23	395
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