McPherson County, SD Water Table Trend
What the closest monitoring well shows for McPherson County
The closest qualifying well to McPherson County is 24 miles away in McIntosh County, ND, where the trend runs rising, getting shallower over time.
McPherson County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not McPherson 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 McIntosh County, ND'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.
McPherson County, South Dakota in brief
About 2,307 people live across McPherson County's 1,137 square miles, in South Dakota. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; McPherson County isn't one of them yet, see the methodology guide for the exact qualifying bar.