Clay County, TN Water Table Trend
The nearest real water-table reading to Clay County, TN
Pickett County, TN, 26 miles from Clay County, is the closest county with a qualifying well, and its water table is rising, getting shallower over time.
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 Pickett County, TN'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, Tennessee covers 237 square miles and is home to about 7,857 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.