Rock County, NE Water Table Trend
Is the water table dropping in Rock County, NE?
Over 89 years of USGS readings, the well tracking Rock County's aquifer is holding roughly steady: 0.3 ft per decade.
One well stands in for Rock 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 1.2 ft below land surface. Readings span 1935-01-02 to 2024-04-23, 169 measurements from USGS well USGS-423505099195101 (30n 17w 8db 1 Ne-Np-Swr-B), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Rock County ranks
Of the 1,449 US counties with a usable trend, Rock County ranks 452nd from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 1,241 people live in Rock County, Nebraska. See the fastest-moving counties guide for how Rock County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Rock 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.