Cumberland County, IL Water Table Trend
What the closest monitoring well shows for Cumberland County
The closest qualifying well to Cumberland County is 24 miles away in Clark County, IL, where the trend runs rising, getting shallower over time.
Cumberland County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Cumberland 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 Clark 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.
Cumberland County, Illinois in brief
About 10,305 people live across Cumberland County's 346 square miles, in Illinois. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Cumberland County isn't one of them yet, see the methodology guide for the exact qualifying bar.