Available data

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4 data types available - data from 1988-10-01 to 2026-08-01

7 data types available - data from 1911-10-01 to 2026-07-31

3 data types available - data from 1936-02-23 to 2026-05-22

134 Observed properties (data types) available - with data from 1907-01-05 to 2017-09-20

599 Sampling activities

4 data types available - data from 1911-10-01 to 2026-07-31

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	11530000	n/a
Location name	TRINITY R A HOOPA CA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	41.04982363106356	n/a
Decimal longitude (WGS84)	-123.67362778298364	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Accurate to + or - 5 sec.	F
District	California	06
State	California	06
County	Humboldt County	023
Country	United States of America	n/a
Altitude of gage/land surface	278.69 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.16 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Trinity	18010211
Drainage basin		n/a
Date of first construction		n/a
Drainage area	2853 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