Guaynabo Municipio, PR Water Table Trend
Guaynabo Municipio's groundwater trend, from USGS's own readings
Guaynabo Municipio's representative monitoring well shows depth to water holding roughly steady, a fitted trend of 0.1 ft per decade over 29 years of readings.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Guaynabo Municipio's source well, in detail
Depth to water at the last reading was 7.7 ft below land surface. Readings span 1997-05-14 to 2026-10-05, 232 measurements from USGS well USGS-182531066075900 (Piezometer Bldg 652 Guaynabo, 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 Guaynabo Municipio compares nationally
Guaynabo Municipio sits at rank 549th 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. Guaynabo Municipio, is home to about 0 people. See the fastest-moving counties guide for how Guaynabo 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 Guaynabo 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.