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Water-Year Summary for Site 06204050

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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 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023
LOCATION - Lat 45°14'35.66", long 109°43'52.69" referenced to North American Datum of 1983, in NE 1/4 sec.10, T.7 S., R.16 E., Stillwater County, MT, Hydrologic Unit 10070005, on left bank at Mystic Lake powerplant, 2.0 mi downstream from Mystic Lake, 13.5 mi southwest of Roscoe, and at river mile 26.8.
DRAINAGE AREA - 53.1 mi².
PERIOD OF RECORD - September 1965 to current year.
GAGE - Water-stage recorder and rectangular weir. Elevation of gage is 6,535.60 ft, referenced to the National Geodetic Vertical Datum of 1929.
REMARKS - Flow is regulated by Mystic Lake (station number 06204000).