Carroll County, IN Water Table Trend
Carroll County, IN: the closest actual trend
The closest qualifying well to Carroll County is 16 miles away in Cass County, IN, where the trend runs holding roughly steady.
Carroll County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Carroll 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 Cass County, IN'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.
Carroll County, Indiana in brief
About 20,747 people live across Carroll County's 372 square miles, in Indiana. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Carroll County isn't one of them yet, see the methodology guide for the exact qualifying bar.