Butler County, IA Water Table Trend
Butler County's groundwater trend, from USGS's own readings
Over 28 years of USGS readings, the well tracking Butler County's aquifer is holding roughly steady: 0.1 ft per decade.
One well stands in for Butler 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 8.3 ft below land surface. Readings span 1997-06-17 to 2025-06-10, 13 measurements from USGS well USGS-423639092350901 (090n15w14bac 1997nawqa Butler County), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Butler County ranks
Of the 1,449 US counties with a usable trend, Butler County ranks 767th from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 14,156 people live in Butler County, Iowa. See the fastest-moving counties guide for how Butler County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Butler 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.