Morris County, NJ Water Table Trend
Is the water table dropping in Morris County, NJ?
Morris County's long-term well puts the trend at 0.1 ft per decade, holding roughly steady, based on 306 measurements since 1955.
One well stands in for Morris 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 16.3 ft below land surface. Readings span 1955-04-01 to 2026-05-08, 306 measurements from USGS well USGS-404510074240201 (270017-- Madison 4 Obs), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Morris County ranks
Of the 1,449 US counties with a usable trend, Morris County ranks 710th from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 523,053 people live in Morris County, New Jersey. See the fastest-moving counties guide for how Morris County stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Morris 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.