Monroe County, WI Water Table Trend
Monroe County's groundwater trend, from USGS's own readings
Monroe County's representative monitoring well shows depth to water rising, getting shallower over time, a fitted trend of 0.9 ft per decade over 92 years of readings.
One well stands in for Monroe 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 5.2 ft below land surface. Readings span 1934-07-07 to 2026-07-09, 859 measurements from USGS well USGS-434342090495601 (Mo-15/04w/34-0002), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Monroe County ranks
Of the 1,449 US counties with a usable trend, Monroe County ranks 260th from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 46,370 people live in Monroe County, Wisconsin. See the fastest-moving counties guide for how Monroe County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Monroe 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.