Mahoning County, OH Water Table Trend
Mahoning County, OH: what the water table is actually doing
Mahoning County's long-term well puts the trend at 0.6 ft per decade, rising, getting shallower over time, based on 109 measurements since 1965.
One well stands in for Mahoning 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 33.4 ft below land surface. Readings span 1965-10-01 to 2026-07-13, 109 measurements from USGS well OH015-410042080453800 (Ma-1 Oh), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Mahoning County ranks
Of the 1,449 US counties with a usable trend, Mahoning County ranks 335th from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 225,786 people live in Mahoning County, Ohio. See the fastest-moving counties guide for how Mahoning County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Mahoning 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.