Columbia County, GA Water Table Trend
The nearest real water-table reading to Columbia County, GA
The closest qualifying well to Columbia County is 17 miles away in Richmond County, GA, where the trend runs holding roughly steady.
Columbia County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Columbia 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 Richmond County, GA'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.
Columbia County, Georgia in brief
About 167,472 people live across Columbia County's 290 square miles, in Georgia. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Columbia County isn't one of them yet, see the methodology guide for the exact qualifying bar.