Lyon County, KS Water Table Trend
Lyon County, KS: the closest actual trend
The closest qualifying well to Lyon County is 65 miles away in Riley County, KS, where the trend runs holding roughly steady.
Lyon County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Lyon 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 Riley County, KS'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.
Lyon County, Kansas in brief
About 32,520 people live across Lyon County's 847 square miles, in Kansas. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Lyon County isn't one of them yet, see the methodology guide for the exact qualifying bar.