Grayson County, VA Water Table Trend
Grayson County, VA: the closest actual trend
The closest qualifying well to Grayson County is 40 miles away in Pulaski County, VA, where the trend runs holding roughly steady.
Grayson County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Grayson 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 Pulaski County, VA'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.
Grayson County, Virginia in brief
About 15,265 people live across Grayson County's 442 square miles, in Virginia. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Grayson County isn't one of them yet, see the methodology guide for the exact qualifying bar.