Adjuntas Municipio, PR

ZIP 00631

In ZIP 00631, none of the 12 things we check has a part graded D or F.

• Nearest Superfund site: Papelera Puertorriquena, Inc., 8.3 miles away.
• Largest share of modeled toxic air from industry: Edwards Lifesciences Technology Sarl (72%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.

Grades for ZIP 00631

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

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

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