Winona County, MN Water Table Trend
The nearest real water-table reading to Winona County, MN
Trempealeau County, WI, 30 miles from Winona County, is the closest county with a qualifying well, and its water table is holding roughly steady.
No well inside Winona County clears this site's 15-year qualifying bar, so this is the closest real reading, not a measurement of Winona County's own aquifer. Worth checking your own well's depth log against it rather than assuming it matches. See Trempealeau County, WI'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 Winona County
Winona County, Minnesota covers 626 square miles and is home to about 49,973 people. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Winona County isn't one of them yet, see the methodology guide for the exact qualifying bar.