Clay County, IA Water Table Trend
What the closest monitoring well shows for Clay County
Jackson County, MN, 41 miles from Clay County, is the closest county with a qualifying well, and its water table is holding roughly steady.
No well inside Clay County clears this site's 15-year qualifying bar, so this is the closest real reading, not a measurement of Clay County's own aquifer. Worth checking your own well's depth log against it rather than assuming it matches. See Jackson County, MN'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 Clay County
Clay County, Iowa covers 567 square miles and is home to about 16,474 people. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Clay County isn't one of them yet, see the methodology guide for the exact qualifying bar.