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Water-Year Summary for Site 06040800

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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.
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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
06040800 MADISON RIVER ABOVE POWERPLANT, NEAR MCALLISTER, MT
LOCATION - Lat 45°29'11.74", long 111°38'01.89" referenced to North American Datum of 1983, in NW 1/4 NE 1/4 SW 1/4 sec.17, T.4 S., R.1 E., Madison County, MT, Hydrologic Unit 10020007, on right bank 160 ft upstream from Madison powerplant, 1.4 mi downstream from Ennis Lake, 5.6 mi northeast of McAllister, and at river mile 38.9.
DRAINAGE AREA - 2,150.2 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - April 2002 to current year.
GAGE - Water-stage recorder. Elevation of gage is 4,690 ft, referenced to the North American Vertical Datum of 1988.
REMARKS - Flow is regulated by Hebgen Lake (station number 06038000) and Ennis Lake (station number 06040500). Diversions for irrigation occur upstream from station. Flow through Madison Powerplant bypasses the station.