Gem County, ID Water Table Trend
Gem County, ID: what the water table is actually doing
Gem County's long-term well puts the trend at 0.1 ft per decade, holding roughly steady, based on 6 measurements since 1971.
One well stands in for Gem 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 12.7 ft below land surface. Readings span 1971-09-09 to 2021-11-02, 6 measurements from USGS well USGS-435506116265801 (07n 01w 27bcb1), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Gem County ranks
Of the 1,449 US counties with a usable trend, Gem County ranks 721st from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 21,857 people live in Gem County, Idaho. See the fastest-moving counties guide for how Gem County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Gem 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.