Johnston County, NC Water Table Trend
What the closest monitoring well shows for Johnston County
The closest qualifying well to Johnston County is 23 miles away in Wayne County, NC, where the trend runs holding roughly steady.
Johnston County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Johnston 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 Wayne County, NC'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.
Johnston County, North Carolina in brief
About 249,794 people live across Johnston County's 792 square miles, in North Carolina. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Johnston County isn't one of them yet, see the methodology guide for the exact qualifying bar.