Brule County, SD Water Table Trend
Brule County, SD: the closest actual trend
Gregory County, SD, 39 miles from Brule County, is the closest county with a qualifying well, and its water table is holding roughly steady.
No well inside Brule County clears this site's 15-year qualifying bar, so this is the closest real reading, not a measurement of Brule County's own aquifer. Worth checking your own well's depth log against it rather than assuming it matches. See Gregory 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 Brule County
Brule County, South Dakota covers 817 square miles and is home to about 5,261 people. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Brule County isn't one of them yet, see the methodology guide for the exact qualifying bar.