Jefferson County, MS Water Table Trend
The nearest real water-table reading to Jefferson County, MS
The closest qualifying well to Jefferson County is 25 miles away in Tensas Parish, LA, where the trend runs rising, getting shallower over time.
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 Tensas Parish, LA'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, Mississippi in brief
About 6,900 people live across Jefferson County's 520 square miles, in Mississippi. 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.