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Water-Year Summary for Site 06130500

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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 2017: 2016-10-01 to 2017-09-30

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USGS Water-Year Summary 2017
LOCATION - Lat 46°59'40.89", long 107°53'20.99" referenced to North American Datum of 1983, in SW 1/4 NW 1/4 NW 1/4 sec.11, T.14 N., R.30 E., Petroleum County, MT, Hydrologic Unit 10040205, on right bank, downstream side of bridge on State Highway 20, 0.3 mi west of Mosby, 10.9 mi downstream from Flatwillow Creek, and at river mile 60.0.
DRAINAGE AREA - 7,784 mi².
PERIOD OF RECORD - May to November 1929, March 1930 to September 1932, February 1934 to current year. Monthly discharge only for some periods, published in Water Supply Paper (WSP) 1309.
REVISED RECORDS - WSP 1559: 1935-36. WSP 1729: Drainage area.
GAGE - Water-stage recorder. Elevation of gage is 2,493.23 ft, referenced to the National Geodetic Vertical Datum of 1929. Dec. 6, 1962 to Mar. 14, 1966, water-stage recorder at site 900 ft downstream at different elevation. Mar. 15, 1966 to Dec. 11, 1973, water-stage recorder and nonrecording gages at site 400 ft downstream at same elevation. Dec. 12, 1973 to Oct. 1, 1981, nonrecording gage at site 400 ft downstream at same elevation. Oct. 1, 1981 to July 25, 1995, water-stage recorder at site 400 ft upstream from bridge at elevation 2.67 ft higher. See WSP 2116 for history of changes prior to 1962. U.S. Geological Survey satellite telemeter is located at the station.
10/01/2015 to 09/30/2016: records are good, except estimated records, which are poor.
10/01/2014 to 09/30/2015: records are fair, except estimated records, which are poor.  
10/01/2013 to 09/30/2014: records are fair, except estimated records, which are poor. 
Some regulation occurs by Bair (station number 06116500), Martinsdale (station number 06119000) and Deadmans Basin (station number 06122500) Reservoirs. Diversions for irrigation include about 47,000 acres upstream from station.