Ravalli County, MT Water Table Trend
Is the water table dropping in Ravalli County, MT?
Over 32 years of USGS readings, the well tracking Ravalli County's aquifer is holding roughly steady: 0.2 ft per decade.
One well stands in for Ravalli 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 1.4 ft below land surface. Readings span 1995-02-06 to 2026-09-11, 32 measurements from USGS well USGS-462205114064501 (07n20w16bbcb01 Tuc-10), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Ravalli County ranks
Of the 1,449 US counties with a usable trend, Ravalli County ranks 482nd from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 48,187 people live in Ravalli County, Montana. See the fastest-moving counties guide for how Ravalli County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Ravalli 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.