Robertson County, TN Water Table Trend
Robertson County, TN: the closest actual trend
The closest qualifying well to Robertson County is 52 miles away in Stewart County, TN, where the trend runs rising, getting shallower over time.
Robertson County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Robertson County's own number. If you own a well here, comparing your own depth log against this regional figure is worth doing before assuming either way. See Stewart 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.
Robertson County, Tennessee in brief
About 78,459 people live across Robertson County's 476 square miles, in Tennessee. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Robertson County isn't one of them yet, see the methodology guide for the exact qualifying bar.