Franklin County, ID Water Table Trend
Franklin County's groundwater trend, from USGS's own readings
Franklin County's representative monitoring well shows depth to water declining faster than most declining counties, a fitted trend of 4.6 ft per decade over 51 years of readings.
One well stands in for Franklin 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 27.4 ft below land surface. Readings span 1967-04-03 to 2018-03-28, 213 measurements from USGS well USGS-421156112002701 (14s 38e 15cdc1), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Franklin County ranks
Of the 1,449 US counties with a usable trend, Franklin County ranks 1291st from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 15,638 people live in Franklin County, Idaho. See the fastest-moving counties guide for how Franklin County stacks up against the most extreme cases nationally.
What a declining table means for a well pump
Because Franklin County's water table is actually declining, not just a general worry, a well owner here should consider comparing home-warranty plans that cover well-pump failure before one happens.
A dropping table says nothing about water quality
Whether Franklin 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.