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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.
USGS Water-Year Summary 2024
03128000 Tappan Lake at Tappan OH
LOCATION - Lat 40°21'24", long 81°13'38" referenced to North American Datum of 1927, Harrison County, OH, Hydrologic Unit 05040001,
DRAINAGE AREA - 71.1 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 2015 to current year; daily values computed since October 2018
GAGE -
DAA 522+ attached to Handar Encoder. Reference gage is standard Electric Tape.
Gage Datum Elevation is 870.00 ft
REMARKS - Record quality ratings may not be included in the water-year summary for approved records newer than 09/30/2018. Record quality is still being rated internally. for questions about record quality ratings, please send email to gs-w-oh NWISWeb Data Inquiries@usgs.gov
