Effingham County, IL Water Table Trend
Effingham County, IL: the closest actual trend
The closest qualifying well to Effingham County is 43 miles away in Wayne County, IL, where the trend runs holding roughly steady.
Effingham County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Effingham 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 Wayne 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.
Effingham County, Illinois in brief
About 34,602 people live across Effingham County's 479 square miles, in Illinois. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Effingham County isn't one of them yet, see the methodology guide for the exact qualifying bar.