Miami County, OH Water Table Trend
Miami County's groundwater trend, from USGS's own readings
Miami County's representative monitoring well shows depth to water holding roughly steady, a fitted trend of 0.5 ft per decade over 33 years of readings.
One well stands in for Miami 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 36.1 ft below land surface. Readings span 1986-10-21 to 2019-09-23, 15 measurements from USGS well USGS-395706084035400 (Mi-203 Miam Nawqa Sus Well Bvas-22), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Miami County ranks
Of the 1,449 US counties with a usable trend, Miami County ranks 366th from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 111,950 people live in Miami County, Ohio. See the fastest-moving counties guide for how Miami County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Miami 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.