Cooper County, MO Water Table Trend
Cooper County, MO: what the water table is actually doing
Over 65 years of USGS readings, the well tracking Cooper County's aquifer is holding roughly steady: 0.4 ft per decade.
One well stands in for Cooper 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 57.7 ft below land surface. Readings span 1962-03-29 to 2026-09-30, 90 measurements from USGS well MO005-390207092570801 (Arrow Rock), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Cooper County ranks
Of the 1,449 US counties with a usable trend, Cooper County ranks 932nd from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 17,122 people live in Cooper County, Missouri. See the fastest-moving counties guide for how Cooper County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Cooper 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.