Water quality records at this station are operated seasonally during ice free conditions (approximately March - October).

Available data

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

5 data types available - data from 1989-10-01 to 2026-08-01

6 data types available - data from 1929-03-01 to 2026-07-31

2 data types available - data from 1933-06-02 to 2026-06-01

133 Observed properties (data types) available - with data from 1969-07-10 to 2026-07-15

2762 Sampling activities

6 data types available - data from 1929-03-01 to 2026-07-30

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	12340500	n/a
Location name	Clark Fork above Missoula MT	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	46.8767638888889	n/a
Decimal longitude (WGS84)	-113.932119444444	n/a
Latitude-longitude method	Interpolated from digital map	N
Latitude-longitude accuracy	Accurate to + or - .1 sec (Differentially-Corrected GPS).	1
District	Montana	30
State	Montana	30
County	Missoula County	063
Country	United States of America	n/a
Altitude of gage/land surface	3198.3 feet	n/a
Method altitude determined	Interpolated from topographic map.	M
Altitude accuracy	20 feet	n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Middle Clark Fork	17010204
Drainage basin		n/a
Date of first construction		n/a
Drainage area	6021 square miles	n/a
Contributing drainage area		n/a
Time zone abbreviation	MST	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