San Juan Municipio, PR
ZIP 00926
In ZIP 00926, 3 of the 12 things we check have at least one part graded D or F.
- Nearest Superfund site: Hormigas Ground Water Plume, 8.7 miles away.
- Largest share of modeled toxic air from industry: Super Asphalt Canovanas Plant (60%), mostly polycyclic aromatic compounds.
- Fine particles (PM2.5) average 8.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
Grades for ZIP 00926
- Superfund sites nearbyA
- Factories and industrial sitesC to D
- Oil and gas wellsA
- Air qualityB to D
- Past wildfire impactsA
- Past flood impactsC to D
Based on 35 census tracts · compiled September 10, 2026 · how each grade works and its sources
Loading the full report, with every source…