Available data

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

2 data types available - data from 2004-10-01 to 2019-10-01

3 data types available - data from 1911-10-01 to 2019-09-30

2 data types available - data from 2004-10-14 to 2019-09-30

29 Observed properties (data types) available - with data from 1962-10-19 to 1970-07-30

492 Sampling activities

2 data types available - with data from 1912-01-25 to 1980-01-14

3 data types available - data from 1911-10-01 to 2019-09-30

Zoom out to see link to My Favorites

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	11526500	n/a
Location name	NF TRINITY R A HELENA CA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	40.7818088969295	n/a
Decimal longitude (WGS84)	-123.1283652901	n/a
Latitude-longitude method	Global positioning system (GPS), Standard Positioning Service (SPS) or Precise Positioning Service (PPS)	G
Latitude-longitude accuracy	Unknown or unspecified.	U
District	California	06
State	California	06
County	Trinity County	105
Country	United States of America	n/a
Altitude of gage/land surface	1460 feet	n/a
Method altitude determined	Interpolated from topographic map.	M
Altitude accuracy	66 feet	n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Trinity	18010211
Drainage basin		n/a
Date of first construction		n/a
Drainage area	151 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

Monitoring location NF Trinity R a Helena CA - USGS-11526500