Dickinson County, IA Water Table Trend
Dickinson County, IA: the closest actual trend
The closest qualifying well to Dickinson County is 20 miles away in Jackson County, MN, where the trend runs holding roughly steady.
Dickinson County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Dickinson 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 Jackson County, MN'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.
Dickinson County, Iowa in brief
About 18,158 people live across Dickinson County's 381 square miles, in Iowa. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Dickinson County isn't one of them yet, see the methodology guide for the exact qualifying bar.