Guánica Municipio, PR Water Table Trend
Guánica Municipio's groundwater trend, from USGS's own readings
Guánica Municipio's long-term well puts the trend at 0.3 ft per decade, holding roughly steady, based on 117 measurements since 1985.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Guánica Municipio's source well, in detail
Depth to water at the last reading was 11.4 ft below land surface. Readings span 1985-07-25 to 2026-10-22, 117 measurements from USGS well USGS-180122066560300 (Arenas 1 Well, Guanica, Pr), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Guánica Municipio compares nationally
Guánica Municipio sits at rank 888th of 1,449 ranked counties, ordered rising-to-declining, so a low number means a rising water table and a high one means fast decline. Guánica Municipio, is home to about 0 people. See the fastest-moving counties guide for how Guánica Municipio stacks up against the most extreme cases nationally.
Depth and quality are separate questions
This page answers a depth question, not a quality one. A well in Guánica Municipio can be stable in depth and still worth testing for quality, or declining and still test clean, the two are measured separately, and only a direct test settles the second one.