Smith County, TN Water Table Trend
Smith County, TN: the closest actual trend
Putnam County, TN, 26 miles from Smith County, is the closest county with a qualifying well, and its water table is holding roughly steady.
No well inside Smith County clears this site's 15-year qualifying bar, so this is the closest real reading, not a measurement of Smith County's own aquifer. Worth checking your own well's depth log against it rather than assuming it matches. See Putnam 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 Smith County
Smith County, Tennessee covers 314 square miles and is home to about 20,783 people. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Smith County isn't one of them yet, see the methodology guide for the exact qualifying bar.