Roosevelt County, MT Water Table Trend
Roosevelt County's groundwater trend, from USGS's own readings
Roosevelt County's representative monitoring well shows depth to water holding roughly steady, a fitted trend of 0 ft per decade over 77 years of readings.
One well stands in for Roosevelt 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 21.3 ft below land surface. Readings span 1949-11-02 to 2026-05-05, 14 measurements from USGS well USGS-480844104382601 (28n55e29cdab01 Fk-01), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Roosevelt County ranks
Of the 1,449 US counties with a usable trend, Roosevelt County ranks 670th from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 10,197 people live in Roosevelt County, Montana. See the fastest-moving counties guide for how Roosevelt County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Roosevelt 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.