Guayanilla Municipio, PR Water Table Trend
Is the water table dropping in Guayanilla Municipio, PR?
Guayanilla Municipio's representative monitoring well shows depth to water rising, getting shallower over time, a fitted trend of 1.3 ft per decade over 66 years of readings.
One well stands in for Guayanilla Municipio's whole aquifer here, the honest simplification every page on this site carries.
What the well actually measured
The most recent reading put water 9.3 ft below land surface. Readings span 1960-10-20 to 2026-10-22, 189 measurements from USGS well USGS-180052066471000 (Mer 3 Well, Guayanilla, Pr), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
Where Guayanilla Municipio ranks
Of the 1,449 US counties with a usable trend, Guayanilla Municipio ranks 210th from fastest-rising to fastest-declining, 1 is the fastest-rising water table measured, 1449 the fastest-declining. About 0 people live in Guayanilla Municipio, . See the fastest-moving counties guide for how Guayanilla Municipio stacks up against the most extreme cases nationally.
A dropping table says nothing about water quality
Whether Guayanilla Municipio'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.