Logan County, IL Water Table Trend
What the closest monitoring well shows for Logan County
The closest qualifying well to Logan County is 25 miles away in De Witt County, IL, where the trend runs declining, slower than most declining counties.
Logan County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Logan County's own number. If you own a well here, comparing your own depth log against this regional figure is worth doing before assuming either way. See De Witt 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.
Logan County, Illinois in brief
About 27,518 people live across Logan County's 618 square miles, in Illinois. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Logan County isn't one of them yet, see the methodology guide for the exact qualifying bar.