USGS Water-Year Summary 2024
03120869 Willow Run near Dellroy OH
LOCATION - Lat 40°34'41", long 81°11'34" referenced to North American Datum of 1983, Carroll County, OH, Hydrologic Unit 05040001,
DRAINAGE AREA - 7.78 mi².
SURFACE-WATER RECORDS
GAGE - Water stage recorder. Datum of Gage is 932.09 ft (NAVD 1988).
WATER-QUALITY RECORDS
PERIOD OF RECORD - WATER TEMPERATURE: July 2015 to current year.
SPECIFIC CONDUCTANCE: July 2015 to current year. STAGE: July 2015 to current year; daily computed values since October 2018
PERIOD OF DAILY RECORD - WATER TEMPERATURE: July 2015 to current year.
SPECIFIC CONDUCTANCE: July 2015 to current year.
INSTRUMENTATION - Water-quality monitor with specific conductance and temperature probe. Electronic data logger set for 1-hour interval.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum: 27.6 °C, Aug. 25, 2016; minimum: -0.2 °C, on several days during winter months; SPECIFIC CONDUCTANCE: Maximum: 381 microsiemens, Sept. 5, 2018; minimum: 56 microsiemens, June 28, 2019.