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Water-Year Summary for Site 06307830

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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
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
06307830 TONGUE RIVER BELOW BRANDENBERG BRIDGE, NEAR ASHLAND MT
LOCATION - Lat 45°50'25.39", long 106°13'24.36" referenced to North American Datum of 1983, in SE 1/4 SW 1/4 NE 1/4 sec.14, T.1 N., R.44 E., Rosebud County, MT, Hydrologic Unit 10090102, on right bank downstream from county bridge, 22 mi north of Ashland, and at river mile 81.3.
DRAINAGE AREA - 3,879 mi². Area at site used prior to July 2000, 4,062 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1973 to September 1984, July 2000 to September 2007, November 2013 to current year.
GAGE - Water stage recorder. Elevation of gage is 2,760 ft, referenced to the National Geodetic Vertical Datum of 1929, from topographic map. October 1973 to September 1984, water-stage recorder at site 6.5 mi downstream at different elevation.
REMARKS - Flow is regulated by Tongue River Reservoir (station 0630700) and many small reservoirs in Wyoming. Numerous diversions for irrigation occur upstream from station.
WATER-QUALITY RECORDS
PERIOD OF RECORD - Water years 1974-81, June 2000 to October 2007, March 2014 to October 2016.
PERIOD OF DAILY RECORD - 
SPECIFIC CONDUCTANCE: August 2000 to November 2016, (seasonal).
SUSPENDED-SEDIMENT DISCHARGE: October 1974 to September 1981.
INSTRUMENTATION - Specific conductance probe installed March 2014.
REMARKS -  
EXTREMES FOR PERIOD OF DAILY RECORD - 
SPECIFIC CONDUCTANCE: Maximum, 1,280 microsiemens per centimeter (uS/cm), May 4, 2105, May 3, 2016; 
minimum, 158 uS/cm, June 8, 2006.
SEDIMENT CONCENTRATION: Maximum daily mean, 6,400 mg/L July 26, 1979; minimum daily mean, 1 mg/L 
Oct. 18, 24, 1976.
SEDIMENT LOAD: Maximum daily, 27,200 tons May 19, 1978; minimum daily, 0.47 ton Nov. 15-17, 1975.
EXTREMES FOR CURRENT YEAR - SPECIFIC CONDUCTANCE: During period of seasonal operation, maximum, 1,130 microsiemens per centimeter (uS/cm), May 8 and 9; minimum, 337 uS/cm, June 6.