Aibonito Municipio, PR

ZIP 00786

In ZIP 00786, 2 of the 12 things we check have at least one part graded D or F.

• Nearest Superfund site: Cidra Groundwater Contamination, 5.9 miles away.
• Largest share of modeled toxic air from industry: Steri-Tech Inc. (91%), mostly ethylene oxide.
• Fine particles (PM2.5) average 11.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.

Grades for ZIP 00786

• Superfund sites nearbyC
• Factories and industrial sitesB
• Oil and gas wellsA
• Air qualityF
• Past wildfire impactsA
• Past flood impactsD

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…