Benton County, WA Water Table Trend
Benton County, WA: the closest actual trend
The closest qualifying well to Benton County is 50 miles away in Walla Walla County, WA, where the trend runs declining faster than most declining counties.
Benton County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Benton 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 Walla Walla County, WA'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.
Benton County, Washington in brief
About 218,190 people live across Benton County's 1,700 square miles, in Washington. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Benton County isn't one of them yet, see the methodology guide for the exact qualifying bar.