Johnson County, IN Water Table Trend
The nearest real water-table reading to Johnson County, IN
The closest qualifying well to Johnson County is 16 miles away in Shelby County, IN, where the trend runs holding roughly steady.
Johnson County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Johnson 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 Shelby County, IN'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.
Johnson County, Indiana in brief
About 170,614 people live across Johnson County's 320 square miles, in Indiana. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Johnson County isn't one of them yet, see the methodology guide for the exact qualifying bar.