Franklin County, OH Water Table Trend
Is the water table dropping in Franklin County, OH?
Over 61 years of USGS readings, the well tracking Franklin County's aquifer is holding roughly steady: 0.3 ft per decade.
One well stands in for Franklin 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 43.9 ft below land surface. Readings span 1965-10-01 to 2026-03-19, 177 measurements from USGS well OH015-400101083021800 (Fr-10 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 Franklin County ranks
Of the 1,449 US counties with a usable trend, Franklin County ranks 434th from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 1,356,303 people live in Franklin County, Ohio. See the fastest-moving counties guide for how Franklin County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Franklin 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.