San Juan Municipio, PR

ZIP 00912

In ZIP 00912, 3 of the 12 things we check have at least one part graded D or F.

• Nearest Superfund site: Naval Security Group Activity, 8.9 miles away.
• Largest share of modeled toxic air from industry: Super Asphalt Canovanas Plant (61%), mostly polycyclic aromatic compounds.
• Fine particles (PM2.5) average 8.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.

Grades for ZIP 00912

• Superfund sites nearbyA
• Factories and industrial sitesD to F
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityD to F
• Past wildfire impactsA
• Past flood impactsC

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

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