Grand Isle County, VT Water Table Trend
Grand Isle County, VT: the closest actual trend
The closest qualifying well to Grand Isle County is 20 miles away in Franklin County, VT, where the trend runs holding roughly steady.
Grand Isle County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Grand Isle 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 Franklin County, VT'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.
Grand Isle County, Vermont in brief
About 7,528 people live across Grand Isle County's 82 square miles, in Vermont. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Grand Isle County isn't one of them yet, see the methodology guide for the exact qualifying bar.