Chittenden County, VT Water Table Trend
Chittenden County's groundwater trend, from USGS's own readings
Chittenden County's long-term well puts the trend at 0.3 ft per decade, holding roughly steady, based on 742 measurements since 1956.
One well stands in for Chittenden 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 31 ft below land surface. Readings span 1956-11-28 to 2026-09-10, 742 measurements from USGS well USGS-443646073124901 (Vt-Mjw 3), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Chittenden County ranks
Of the 1,449 US counties with a usable trend, Chittenden County ranks 430th from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 170,851 people live in Chittenden County, Vermont. See the fastest-moving counties guide for how Chittenden County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Chittenden 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.