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Water-Year Summary for Site 06154100

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Available Parameters
00060 Discharge(Mean)  

Water year 2020: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2020
06154100 MILK RIVER NEAR HARLEM, MT
LOCATION - Lat 48°29'22.71", long 108°45'32.22" referenced to North American Datum of 1983, in NE 1/4 SE 1/4 NE 1/4 sec.32, T.32 N., R.23 E., Blaine County, MT, Hydrologic Unit 10050004, Fort Belknap Indian Reservation, on right bank 30 ft downstream from U.S. Highway 2 bridge, 0.6 mi northeast of unincorporated community of Fort Belknap Agency, 3.5 mi southeast of Harlem, and at river mile 332.2.
DRAINAGE AREA - 9,652 mi² of which 691 mi² probably is noncontributing.
REVISIONS HISTORY - Water Supply Paper 1729: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1959 to September 1969, October 1982 to current year (seasonal record beginning 1994 water year). Gage heights only for period Apr. 3-25, 1952, published as "at Fort Belknap" in 1260-B.
GAGE - Water-stage recorder. Elevation of gage is 2,319.48 ft, referenced to the National Geodetic Vertical Datum of 1929. Apr. 3-25, 1952, nonrecording gage on old bridge 200 ft downstream at different elevation. Nov. 1, 1959, to Mar. 12, 1968, nonrecording gage or water-stage recorder at several sites within 0.5 mi of present site at different elevation.
REMARKS -
03/01/2020 to 10/31/2020 (seasonal record): records are good, except estimated records which are poor.
03/01/2019 to 10/31/2019 (seasonal record): records are fair, except estimated records which are poor.
03/01/2018 to 10/31/2018 (seasonal record): records are good, except estimated records which are poor.
03/01/2017 to 10/31/2017 (seasonal record): records are fair, except estimated records which are poor.
03/01/2016 to 10/31/2016 (seasonal record): records are good, except estimated records which are poor.
03/01/2015 to 11/05/2015 (seasonal record): records are good, except estimated records which are poor.
03/01/2014 to 10/31/2014 (seasonal record): records are good, except estimated records which are poor. 

Flow increased during irrigation season by water from St. Mary Canal (station number 05018500). Flow 
is mainly regulated by Fresno Reservoir (station number 06136500) beginning in 1939. Diversions for 
irrigation of about 60,000 acres of which about 13,000 acres lie downstream from station.

 

EXTREMES OUTSIDE PERIOD OF RECORD - Flood of April 1952 reached a stage of about 23.5 ft, present site and elevation.