Warren County, PA Water Table Trend
Warren County, PA: what the water table is actually doing
Warren County's long-term well puts the trend at 0.5 ft per decade, holding roughly steady, based on 190 measurements since 1972.
One well stands in for Warren 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 43.5 ft below land surface. Readings span 1972-06-13 to 2026-10-15, 190 measurements from USGS well USGS-414159079213601 (Wr 50 Warren 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 Warren County ranks
Of the 1,449 US counties with a usable trend, Warren County ranks 953rd from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 37,373 people live in Warren County, Pennsylvania. See the fastest-moving counties guide for how Warren County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Warren 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.