Harrison County, MS Water Table Trend
Harrison County, MS: the closest actual trend
The closest qualifying well to Harrison County is 52 miles away in St. Tammany Parish, LA, where the trend runs holding roughly steady.
Harrison County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Harrison 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 St. Tammany 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.
Harrison County, Mississippi in brief
About 213,730 people live across Harrison County's 574 square miles, in Mississippi. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Harrison County isn't one of them yet, see the methodology guide for the exact qualifying bar.