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Water-Year Summary for Site 12377150

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00060 Discharge(Mean)  

Water year 2018: 2017-10-01 to 2018-09-30

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USGS Water-Year Summary 2018
LOCATION - Lat 47°19'22.16", long 113°58'45.77" referenced to North American Datum of 1983, in NW 1/4 SW 1/4 NE 1/4 sec.14, T.18 N., R.19 W., Lake County, MT, Hydrologic Unit 17010212, Flathead Indian Reservation, on right bank, 0.2 mi southwest of upper BIA campground, 0.5 mi upstream from Mission Reservoir, and 5.3 mi east of St. Ignatius.
DRAINAGE AREA - 12.4 mi².
PERIOD OF RECORD - October 1982 to current year.
GAGE - Water-stage recorder. Elevation of gage is 3,460 ft, referenced to North American Vertical Datum of 1988. U.S. Geological Survey data collection platform with satellite telemetry at the station.
04/20/2016 to 10/02/2016: records are good.
10/09/2015 to 04/19/2016: records are good, except estimated records are fair.
12/08/2014 to 10/08/2015: records are good, except estimated records are poor. 
10/01/2013 to 12/07/2014: records are good, except estimated records are poor. 

No known regulation or diversions occur upstream from station.