Clarke County, IA Water Table Trend
What the closest monitoring well shows for Clarke County
The closest qualifying well to Clarke County is 42 miles away in Marion County, IA, where the trend runs holding roughly steady.
Clarke County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Clarke 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 Marion County, IA'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.
Clarke County, Iowa in brief
About 9,524 people live across Clarke County's 431 square miles, in Iowa. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Clarke County isn't one of them yet, see the methodology guide for the exact qualifying bar.