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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.
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USGS Water-Year Summary 2024
06020600 RUBY RIVER BELOW RESERVOIR, NEAR ALDER, MT
LOCATION - Lat 45°14'30.73", long 112°06'40.46" referenced to North American Datum of 1983, in SE 1/4 SE 1/4 NE 1/4 sec.08, T.7 S., R.4 W., Madison County, MT, Hydrologic Unit 10020003, on right bank 0.2 mi downstream from Ruby Dam, 5.7 mi south of Alder, and at river mile 47.8.
DRAINAGE AREA - 595 mi².
REVISIONS HISTORY - Water Data Report MT-85-1, maximum discharge.
SURFACE-WATER RECORDS
PERIOD OF RECORD - December 1962 to current year.
GAGE - Water-stage recorder. Elevation of gage is 5,286.63 ft, referenced to the National Geodetic Vertical Datum of 1929 (levels by U.S. Army Corps of Engineers).
REMARKS - Flow is regulated by Ruby River Reservoir (station number 06020500). Diversions for irrigation
occur upstream from station.
