Jones County, SD Water Table Trend
The nearest real water-table reading to Jones County, SD
The closest qualifying well to Jones County is 26 miles away in Mellette County, SD, where the trend runs rising, getting shallower over time.
Jones County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Jones 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 Mellette 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.
Jones County, South Dakota in brief
About 874 people live across Jones County's 970 square miles, in South Dakota. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Jones County isn't one of them yet, see the methodology guide for the exact qualifying bar.