Ottawa County, OH Water Table Trend
The nearest real water-table reading to Ottawa County, OH
Sandusky County, OH, 15 miles from Ottawa County, is the closest county with a qualifying well, and its water table is holding roughly steady.
No well inside Ottawa County clears this site's 15-year qualifying bar, so this is the closest real reading, not a measurement of Ottawa County's own aquifer. Worth checking your own well's depth log against it rather than assuming it matches. See Sandusky 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 Ottawa County
Ottawa County, Ohio covers 255 square miles and is home to about 39,692 people. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Ottawa County isn't one of them yet, see the methodology guide for the exact qualifying bar.