San Sebastián Municipio, PR
ZIP 00685
In ZIP 00685, none of the 12 things we check has a part graded D or F.
- Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
- Largest share of modeled toxic air from industry: Edwards Lifesciences Technology Sarl (97%), mostly ethylene oxide.
- Fine particles (PM2.5) average 7.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
Grades for ZIP 00685
- Superfund sites nearbyA
- Factories and industrial sitesA to B
- Oil and gas wellsA
- Air qualityB to C
- Past wildfire impactsA
- Past flood impactsC
Based on 13 census tracts · compiled September 10, 2026 · how each grade works and its sources
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Other ZIP codes in San Sebastián Municipio
ZIP 00685 is the only ZIP code we grade in San Sebastián Municipio.
All of San Sebastián Municipio · All of Puerto Rico · How grades work