Iowa County, WI Water Table Trend
Is the water table dropping in Iowa County, WI?
Over 63 years of USGS readings, the well tracking Iowa County's aquifer is rising, getting shallower over time: 1 ft per decade.
One well stands in for Iowa 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 56.2 ft below land surface. Readings span 1957-08-05 to 2020-11-18, 743 measurements from USGS well USGS-425644090101901 (Iw-06/03e/32-0032), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Iowa County ranks
Of the 1,449 US counties with a usable trend, Iowa County ranks 254th from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 23,963 people live in Iowa County, Wisconsin. See the fastest-moving counties guide for how Iowa County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Iowa 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.