Powell County, MT Water Table Trend
What the closest monitoring well shows for Powell County
The closest qualifying well to Powell County is 32 miles away in Lewis and Clark County, MT, where the trend runs declining at a typical pace for a declining county.
Powell County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Powell 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 Lewis and Clark 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.
Powell County, Montana in brief
About 7,120 people live across Powell County's 2,326 square miles, in Montana. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Powell County isn't one of them yet, see the methodology guide for the exact qualifying bar.