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Water-Year Summary for Site 06061500

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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 2019: 2018-10-01 to 2019-09-30

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USGS Water-Year Summary 2019
LOCATION - Lat 46°31'08.75", long 111°56'48.43" referenced to North American Datum of 1983, Jefferson County, MT, Hydrologic Unit 10030101, on right bank 3.5 mi downstream from Lump Gulch Creek, 4 mi northeast of Clancy, 7 mi southeast of Helena, and at river mile 24.4.
DRAINAGE AREA - 192 mi².
REVISIONS HISTORY - WSP 1806: 1946, minimum discharge. WSP 1309: 1925; 1927; 1931, maximum discharge (M); 1933; 1948 (M). WSP 1729: Drainage area.
PERIOD OF RECORD - July 1908 to September 1916, July 1921 to September 1933, October 1945 to October 1953, October 1954 to September 1969, October 1978 to September 2002, October 2005 to current year. Seasonal records, Water Years 2011 and 2012. Record for October 1969 to September 1980 was collected by the Montana Department of Natural Resources and Conservation. Monthly discharge only for some periods, published in Water Supply Paper (WSP) 1309.
GAGE - Water-stage recorder. Datum of gage is 4,067.1 ft, referenced to the National Geodetic Vertical Datum of 1929. Prior to July 12, 1910, nonrecording gage at site 1.2 mi upstream at different datum. July 12, 1910 to Sept. 30, 1916, and July 28, 1921 to Aug. 12, 1933, nonrecording gage at site 2.2 mi upstream at different datum.
10/30/2017 to 10/15/2018: records are good, except estimated periods are poor.
11/16/2016 to 10/29/2017: records are good, except estimated periods are poor.
10/03/2015 to 11/15/2016: records are good, except estimated periods are poor.
11/06/2014 to 10/02/2015: records are good, except estimated records are poor. 
10/01/2013 to 10/05/2014: records are good, except estimated records are poor. 

Diversions for irrigation of about 700 acres occur upstream from station.