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 40°29'30",   Longitude 124°05'55"   NAD27

Humboldt County, California, Hydrologic Unit 18010105

Drainage area: 3,113 square miles

Datum of gage: 38.41 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1988-10-01	2025-01-31
Daily Data
Temperature, water, degrees Celsius	1958-10-04	1982-06-30	14272
Discharge, cubic feet per second	1910-10-01	2025-01-30	41010
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1979-06-23	1981-09-29	625
Suspended sediment concentration, milligrams per liter	1959-10-02	1980-09-29	6665
Suspended sediment discharge, short tons per day	1959-10-01	1980-09-29	7670
Daily Statistics
Discharge, cubic feet per second	1910-10-01	2023-11-21	40593
Suspended sediment concentration, milligrams per liter	1959-10-02	1980-09-29	6665
Suspended sediment discharge, short tons per day	1959-10-01	1980-09-29	7670
Monthly Statistics
Discharge, cubic feet per second	1910-10	2023-11
Suspended sediment concentration, milligrams per liter	1959-10	1980-09
Suspended sediment discharge, short tons per day	1959-10	1980-09
Annual Statistics
Discharge, cubic feet per second	1911	2024
Suspended sediment concentration, milligrams per liter	1960	1980
Suspended sediment discharge, short tons per day	1960	1980
Peak streamflow	1911-01-20	2023-03-15	112
Field measurements	1913-01-14	2024-12-31	565
Field/Lab water-quality samples	1951-10-10	1998-03-02	1195
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