Campbell County, SD Water Table Trend
The nearest real water-table reading to Campbell County, SD
Walworth County, SD, 25 miles from Campbell County, is the closest county with a qualifying well, and its water table is rising, getting shallower over time.
No well inside Campbell County clears this site's 15-year qualifying bar, so this is the closest real reading, not a measurement of Campbell County's own aquifer. Worth checking your own well's depth log against it rather than assuming it matches. See Walworth 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.
About Campbell County
Campbell County, South Dakota covers 734 square miles and is home to about 1,342 people. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Campbell County isn't one of them yet, see the methodology guide for the exact qualifying bar.