Guaynabo Municipio, PR

ZIP 00968

In ZIP 00968, 2 of the 12 things we check have at least one part graded D or F.

• Nearest Superfund site: Naval Security Group Activity, 5.9 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Super Asphalt Guaynabo Plant (46%), mostly polycyclic aromatic compounds.
• Fine particles (PM2.5) average 8.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.

Grades for ZIP 00968

• Superfund sites nearbyA
• Factories and industrial sitesD
• Oil and gas wellsA
• Air qualityD
• Past wildfire impactsA
• Past flood impactsC

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…