Cowlitz County, WA Water Table Trend
What the closest monitoring well shows for Cowlitz County
The closest qualifying well to Cowlitz County is 47 miles away in Multnomah County, OR, where the trend runs holding roughly steady.
Cowlitz County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Cowlitz 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 Multnomah County, OR'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.
Cowlitz County, Washington in brief
About 113,982 people live across Cowlitz County's 1,141 square miles, in Washington. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Cowlitz County isn't one of them yet, see the methodology guide for the exact qualifying bar.