Ogle County, IL Water Table Trend
The nearest real water-table reading to Ogle County, IL
The closest qualifying well to Ogle County is 20 miles away in Lee County, IL, where the trend runs holding roughly steady.
Ogle County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Ogle 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 Lee County, IL'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.
Ogle County, Illinois in brief
About 51,345 people live across Ogle County's 759 square miles, in Illinois. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Ogle County isn't one of them yet, see the methodology guide for the exact qualifying bar.