Herkimer County, NY Water Table Trend
Is the water table dropping in Herkimer County, NY?
Herkimer County's long-term well puts the trend at 0.6 ft per decade, declining, slower than most declining counties, based on 142 measurements since 2004.
One well stands in for Herkimer 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 30.4 ft below land surface. Readings span 2004-10-19 to 2026-08-13, 142 measurements from USGS well USGS-431841074573201 (Local Number, He-627, Ohio Ny), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Herkimer County ranks
Of the 1,449 US counties with a usable trend, Herkimer County ranks 997th from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 59,585 people live in Herkimer County, New York. See the fastest-moving counties guide for how Herkimer County stacks up against the most extreme cases nationally.
What a declining table means for a well pump
Because Herkimer County's water table is actually declining, not just a general worry, a well owner here should consider comparing home-warranty plans that cover well-pump failure before one happens.
A dropping table says nothing about water quality
Whether Herkimer 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.