Jefferson County, FL Water Table Trend
Jefferson County, FL: the closest actual trend
The closest qualifying well to Jefferson County is 32 miles away in Thomas County, GA, where the trend runs holding roughly steady.
Jefferson County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Jefferson 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 Thomas 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.
Jefferson County, Florida in brief
About 15,921 people live across Jefferson County's 598 square miles, in Florida. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Jefferson County isn't one of them yet, see the methodology guide for the exact qualifying bar.