Available data

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

4 data types available - data from 2004-10-01 to 2026-08-03

4 data types available - data from 2002-10-01 to 2026-08-02

2 data types available - data from 2001-07-26 to 2026-06-29

44 Observed properties (data types) available - with data from 2004-05-13 to 2006-07-24

155 Sampling activities

4 data types available - data from 2002-10-01 to 2026-08-01

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	11525854	n/a
Location name	TRINITY R A DOUGLAS CITY CA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	40.64527777777778	n/a
Decimal longitude (WGS84)	-122.95666666666666	n/a
Latitude-longitude method	Global positioning system (GPS), Standard Positioning Service (SPS) or Precise Positioning Service (PPS)	G
Latitude-longitude accuracy	Accurate to + or - 5 sec.	F
District	California	06
State	California	06
County	Trinity County	105
Country	United States of America	n/a
Altitude of gage/land surface	1593.3 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	931 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