Phillips County, MT Water Table Trend
Phillips County, MT: the closest actual trend
The closest qualifying well to Phillips County is 103 miles away in Hill County, MT, where the trend runs rising, getting shallower over time.
Phillips County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Phillips 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 Hill County, MT'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.
Phillips County, Montana in brief
About 4,214 people live across Phillips County's 5,140 square miles, in Montana. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Phillips County isn't one of them yet, see the methodology guide for the exact qualifying bar.