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Water-Year Summary for Site 06166000

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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 2021: 2020-10-01 to 2021-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 48°21'24.42", long 107°34'55.87" referenced to North American Datum of 1983, in SE 1/4 SW 1/4 NW 1/4 sec.16, T.30 N., R.32 E., Phillips County, MT, Hydrologic Unit 10050014, on right bank, 25 ft upstream from bridge on county road, 13 mi southwest of Saco, 22.5 river miles downstream from Guston Coulee, and at mile 61.1.
DRAINAGE AREA - 1,199 mi².
PERIOD OF RECORD - April 1920 to September 1921, April 1981 to current year (seasonal records only).
GAGE - Water-stage recorder. Elevation of gage is 2,215 ft, referenced to the North American Vertical Datum of 1988.
REMARKS - Some regulation occurs by numerous small reservoirs on tributary streams. Diversions for irrigation occur upstream from the gage.