Webster County, IA Water Table Trend
Webster County, IA: the closest actual trend
The closest qualifying well to Webster County is 49 miles away in Hancock County, IA, where the trend runs declining, slower than most declining counties.
Webster County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Webster 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 Hancock 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.
Webster County, Iowa in brief
About 36,909 people live across Webster County's 716 square miles, in Iowa. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Webster County isn't one of them yet, see the methodology guide for the exact qualifying bar.