Vermilion County, IL Water Table Trend
Is the water table dropping in Vermilion County, IL?
Over 84 years of USGS readings, the well tracking Vermilion County's aquifer is holding roughly steady: 0.3 ft per decade.
One well stands in for Vermilion County's whole aquifer here, the honest simplification every page on this site carries.
What the well actually measured
The most recent reading put water 23.2 ft below land surface. Readings span 1943-01-01 to 2026-10-13, 224 measurements from USGS well USGS-402558087351501 (23n11w-22.8a1 (Hoopeston Crn)), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Vermilion County ranks
Of the 1,449 US counties with a usable trend, Vermilion County ranks 867th from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 71,106 people live in Vermilion County, Illinois. See the fastest-moving counties guide for how Vermilion County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Vermilion County's water table is rising or falling is independent of what's actually in the water. Depletion can concentrate naturally-occurring minerals, so it's worth checking directly with a water test rather than assuming a depth trend says anything about quality.