Codington County, SD Water Table Trend
The nearest real water-table reading to Codington County, SD
The closest qualifying well to Codington County is 25 miles away in Grant County, SD, where the trend runs rising, getting shallower over time.
Codington County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Codington 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.
Codington County, South Dakota in brief
About 29,278 people live across Codington County's 688 square miles, in South Dakota. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Codington County isn't one of them yet, see the methodology guide for the exact qualifying bar.