Walthall County, MS Water Table Trend
Walthall County, MS: the closest actual trend
Washington Parish, LA, 22 miles from Walthall County, is the closest county with a qualifying well, and its water table is declining at a typical pace for a declining county.
No well inside Walthall County clears this site's 15-year qualifying bar, so this is the closest real reading, not a measurement of Walthall County's own aquifer. Worth checking your own well's depth log against it rather than assuming it matches. See Washington 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.
About Walthall County
Walthall County, Mississippi covers 404 square miles and is home to about 13,839 people. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Walthall County isn't one of them yet, see the methodology guide for the exact qualifying bar.