Martin County, IN Water Table Trend
Is the water table dropping in Martin County, IN?
Martin County's long-term well puts the trend at 0.4 ft per decade, holding roughly steady, based on 282 measurements since 1955.
One well stands in for Martin 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 26.1 ft below land surface. Readings span 1955-05-01 to 2026-09-23, 282 measurements from USGS well USGS-383659086545901 (Martin 5 (Mt 5)), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Martin County ranks
Of the 1,449 US counties with a usable trend, Martin County ranks 384th from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 9,864 people live in Martin County, Indiana. See the fastest-moving counties guide for how Martin County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Martin 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.