Humacao Municipio, PR

ZIP 00741

In ZIP 00741, none of the 12 things we check has a part graded D or F.

• Nearest Superfund site: Frontera Creek, 2.7 miles away.
• Largest share of modeled toxic air from industry: Aes Puerto Rico LP (34%), mostly polycyclic aromatic compounds.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.

Grades for ZIP 00741

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

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

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