Cumberland County, PA Water Table Trend
Is the water table dropping in Cumberland County, PA?
Cumberland County's representative monitoring well shows depth to water holding roughly steady, a fitted trend of 0.4 ft per decade over 75 years of readings.
One well stands in for Cumberland 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 28.7 ft below land surface. Readings span 1951-06-20 to 2026-10-14, 297 measurements from USGS well USGS-400209077183301 (Cu 2 Cumberland County Observation Well), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Cumberland County ranks
Of the 1,449 US counties with a usable trend, Cumberland County ranks 920th from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 275,516 people live in Cumberland County, Pennsylvania. See the fastest-moving counties guide for how Cumberland County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Cumberland 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.