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Water-Year Summary for Site 13215480

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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 2025: 2025-10-01 to 2026-09-30
 

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USGS Water-Year Summary 2025
13215480 SOUTH FORK MALHEUR RIVER NR RIVERSIDE, OR
LOCATION - Lat 43°31'08.70", long 118°10'30.21" referenced to North American Datum of 1983, in SE 1/4 NE 1/4 sec.04, T.24 S., R.37 E., Malheur County, OR, Hydrologic Unit 17050116,
DRAINAGE AREA - 697 mi².  
SURFACE-WATER RECORDS
PERIOD OF RECORD - February 2024 to current year.
GAGE - Water-stage recorder. Datum of the gage is 3309.72ft above NAVD88.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 9,230 ft³/s Feb. 24, 2025, gage height, 16.09 ft; minimum, 0.01 ft³/s July 14, 2024, (estimated).