Available data

Select data types to graph from categories based on the way the data were collected.

3 data types available - data from 1988-10-01 to 2026-08-25

4 data types available - data from 1911-10-01 to 2026-08-23

2 data types available - data from 1951-12-03 to 2026-06-25

90 Observed properties (data types) available - with data from 1959-01-21 to 2003-06-05

192 Sampling activities

2 data types available - with data from 1912-01-25 to 2024-11-22

4 data types available - data from 1911-10-01 to 2026-08-23

Zoom out to see link to My Favorites

Operated in cooperation with:

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	11469000	n/a
Location name	MATTOLE R NR PETROLIA CA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	40.3131614509322	n/a
Decimal longitude (WGS84)	-124.28335360413688	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	California	06
State	California	06
County	Humboldt County	023
Country	United States of America	n/a
Altitude of gage/land surface	49.79 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.26 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Mattole	18010107
Drainage basin		n/a
Date of first construction		n/a
Drainage area	245 square miles	n/a
Contributing drainage area		n/a
Time zone abbreviation	PST	n/a
Site honors Daylight Saving Time	Y	n/a
National aquifer		n/a
Local aquifer		n/a
Local aquifer type		n/a
Well depth		n/a
Hole depth		n/a
Source of depth data		n/a