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Water-Year Summary for Site 03092090

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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)  
00065 Gage height(Mean)  

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

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USGS Water-Year Summary 2018
03092090 West Branch Mahoning River near Ravenna, OH
LOCATION - Lat 41°09'41", long 81°11'50" referenced to North American Datum of 1927, Portage County, OH, Hydrologic Unit 05030103, on the left bank at downstream side of County Rd. 177 bridge near Ravenna.
DRAINAGE AREA - 21.8 mi².
PERIOD OF RECORD - Continuous discharge gage, October 1965 to September 1993; recording crest stage gage, October 1994 to September 2007. Water temperature, October 1965 to August 1979 and July 2011 to current year.
GAGE - Water-stage recorder. Datum of gage is 1,011.17 ft (NAVD 1988). Prior to July 2015, datum of gage was 1,011.8 ft (NGVD 1929) (Portage County benchmark).
COOPERATION - Peak stage only station, U. S. Army Corps of Engineers, Pittsburgh District.
REMARKS - Water-quality data formerly collected at this site. U.S. Army Corps of Engineers satellite telemeter at station. WATER TEMPERATURE: Oct. 1, 2013 to Nov. 29, 2017: record good except July 23, 2014 to Feb. 2, 2015 and July 12, 2016 to Nov. 17, 2016 which are fair and Oct. 1, 2013 to July 22, 2014, which are poor.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 4,810 ft³/s, July 22, 2003, gage height, 10.76 ft.
PERIOD OF RECORD - October 1965 to August 1979. October 2011 to current year.
PERIOD OF DAILY RECORD - WATER TEMPERATURE: October 1965 to August 1979. October 2011 to current year.
INSTRUMENTATION - Temperature probe. Electronic data logger set for 15 minute interval.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum, 28.3 °C, July 21, 2011; minimum, 0.0 °C on many days during winter months.