Hardin County, IL Water Table Trend
What the closest monitoring well shows for Hardin County
Saline County, IL, 22 miles from Hardin County, is the closest county with a qualifying well, and its water table is holding roughly steady.
No well inside Hardin County clears this site's 15-year qualifying bar, so this is the closest real reading, not a measurement of Hardin County's own aquifer. Worth checking your own well's depth log against it rather than assuming it matches. See Saline County, IL'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 Hardin County
Hardin County, Illinois covers 177 square miles and is home to about 3,550 people. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Hardin County isn't one of them yet, see the methodology guide for the exact qualifying bar.