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Water-Year Summary for Site 06294000

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Questions or concerns about USGS data and data products in Montana and Wyoming can be directed to the Wyoming-Montana Water Science Center Data Management Section.


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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)  
00060 Discharge(Mean) [Adjusted for Agency Canal]  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
06294000 LITTLE BIGHORN RIVER NEAR HARDIN, MT
LOCATION - Lat 45°44'08.47", long 107°33'26.89" referenced to North American Datum of 1983, in SE 1/4 NE 1/4 NE 1/4 sec.19, T.1 S., R.34 E., Big Horn County, MT, Hydrologic Unit 10080016, on left bank 50 ft downstream from bridge on Sarpy Road, 0.2 mi upstream from terminal wasteway of Agency Canal, 0.6 mi upstream from mouth, and 2.3 mi east of Hardin.
DRAINAGE AREA - 1,294 mi².
REVISIONS HISTORY - 
Water Data Report MT-86-1: 1978. Gage height and discharge data for the period Apr. 28 to June 19, 2017, were revised on Dec. 12, 2019, based upon reanalysis of reference readings.
SURFACE-WATER RECORDS
PERIOD OF RECORD - June 1953 to current year.
GAGE - Water-stage recorder. Elevation of gage is 2,882.29 ft, referenced to the National Geodetic Vertical Datum of 1929 (levels by U.S. Army Corps of Engineers). Prior to Oct. 7, 1953, nonrecording gage located at site 0.4 mi downstream. Oct. 7, 1953 to May 6, 1963, water-stage recorder located at site 0.3 mi downstream. May 6, 1963 to Nov. 6, 1963, nonrecording gage located at site 0.4 mi downstream. All locations had different elevations. Nov. 7, 1963 to Aug. 15, 1976, water-stage recorder located at site 35 ft downstream at present elevation. Aug. 15, 1976 to Sept. 30, 1979, water-stage recorders were located on each bank downstream from Sarpy Road bridge and were used depending on control conditions.
REMARKS - Flow partly regulated by Willow Creek Reservoir (capacity 23,000 acre-ft). Numerous diversions for irrigation occur upstream from station. Discharge values and summary statistics prior to October 2016 have the diversions of daily mean discharge to Agency Canal included. Daily values with Agency Canal included continue to be available in the [Adjusted for Agency Canal] parameter.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 1970-79, 1987-89, 1993-2001, April 2009 to September 2009.