Perry County, MO Water Table Trend
Is the water table dropping in Perry County, MO?
Over 46 years of USGS readings, the well tracking Perry County's aquifer is rising, getting shallower over time: 3.8 ft per decade.
One well stands in for Perry 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 166.4 ft below land surface. Readings span 1980-11-26 to 2026-06-09, 119 measurements from USGS well MO005-373559090082901 (National Lead), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Perry County ranks
Of the 1,449 US counties with a usable trend, Perry County ranks 72nd from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 19,100 people live in Perry County, Missouri. See the fastest-moving counties guide for how Perry County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Perry 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.