Deuel County, SD Water Table Trend
Deuel County, SD: the closest actual trend
The closest qualifying well to Deuel County is 29 miles away in Grant County, SD, where the trend runs rising, getting shallower over time.
Deuel County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Deuel 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 Grant County, SD'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.
Deuel County, South Dakota in brief
About 4,335 people live across Deuel County's 623 square miles, in South Dakota. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Deuel County isn't one of them yet, see the methodology guide for the exact qualifying bar.