Lewis County, WA Water Table Trend
The nearest real water-table reading to Lewis County, WA
The closest qualifying well to Lewis County is 33 miles away in Thurston County, WA, where the trend runs holding roughly steady.
Lewis County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Lewis 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 Thurston 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.
Lewis County, Washington in brief
About 87,049 people live across Lewis County's 2,403 square miles, in Washington. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Lewis County isn't one of them yet, see the methodology guide for the exact qualifying bar.