Harrison County, OH Water Table Trend
The nearest real water-table reading to Harrison County, OH
Carroll County, OH, 20 miles from Harrison County, is the closest county with a qualifying well, and its water table is declining, slower than most declining counties.
No well inside Harrison County clears this site's 15-year qualifying bar, so this is the closest real reading, not a measurement of Harrison County's own aquifer. Worth checking your own well's depth log against it rather than assuming it matches. See Carroll County, OH's full page. See the no-data guide for why a county this close to a qualifying well still doesn't get its own number.
About Harrison County
Harrison County, Ohio covers 402 square miles and is home to about 14,042 people. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Harrison County isn't one of them yet, see the methodology guide for the exact qualifying bar.