Callaway County, MO Water Table Trend
Callaway County, MO: what the water table is actually doing
Callaway County's long-term well puts the trend at 0.3 ft per decade, holding roughly steady, based on 65 measurements since 1956.
One well stands in for Callaway 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 24.2 ft below land surface. Readings span 1956-04-20 to 2026-05-13, 65 measurements from USGS well MO005-383550092094201 (Jefferson City), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Callaway County ranks
Of the 1,449 US counties with a usable trend, Callaway County ranks 442nd from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 45,126 people live in Callaway County, Missouri. See the fastest-moving counties guide for how Callaway County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Callaway 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.