USGS Water-Year Summary 2024
03127989 Beaverdam Run above Tappan Lake OH
LOCATION - Lat 40°20'49", long 81°07'36" referenced to North American Datum of 1983, Harrison County, OH, Hydrologic Unit 05040001,
DRAINAGE AREA - 3.50 mi².
SURFACE-WATER RECORDS
GAGE - Water stage recorder. Datum of gage is 917.09 ft (NAVD 1988).
WATER-QUALITY RECORDS
PERIOD OF RECORD - WATER TEMPERATURE: June 2015 to current year.
SPECIFIC CONDUCTANCE: June 2015 to current year. STAGE: June 2015 to current year; daily values computed since October 2018
PERIOD OF DAILY RECORD - WATER TEMPERATURE: June 2015 to current year.
SPECIFIC CONDUCTANCE: June 2015 to current year.
INSTRUMENTATION - Water-quality monitor with specific conductance and temperature probe. Electronic data logger set for 15-minute interval.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum: 29.3 °C, July 4,5, 2018; minimum: -0.1 °C, several days during the winter months. SPECIFIC CONDUCTANCE: Maximum: 617 microsiemens, Sept. 18, 2017; minimum: 61 microsiemens, July 11, 2019.