Bronx County, NY Water Table Trend
Bronx County's groundwater trend, from USGS's own readings
Over 20 years of USGS readings, the well tracking Bronx County's aquifer is declining, slower than most declining counties: 0.6 ft per decade.
One well stands in for Bronx 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 14.3 ft below land surface. Readings span 2006-08-14 to 2026-10-22, 79 measurements from USGS well USGS-405202073525101 (B 72. 1), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Bronx County ranks
Of the 1,449 US counties with a usable trend, Bronx County ranks 996th from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 1,384,724 people live in Bronx County, New York. See the fastest-moving counties guide for how Bronx County stacks up against the most extreme cases nationally.
What a declining table means for a well pump
Because Bronx 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 Bronx 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.