Preston County, WV Water Table Trend
Preston County, WV: the closest actual trend
The closest qualifying well to Preston County is 22 miles away in Garrett County, MD, where the trend runs holding roughly steady.
Preston County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Preston 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 Garrett County, MD'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.
Preston County, West Virginia in brief
About 34,055 people live across Preston County's 649 square miles, in West Virginia. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Preston County isn't one of them yet, see the methodology guide for the exact qualifying bar.