Las Piedras Municipio, PR
ZIP 00771
In ZIP 00771, 1 of the 12 things we check have at least one part graded D or F.
- Nearest Superfund site: Juncos Landfill, 4.1 miles away (2 within 10 miles).
- Largest share of modeled toxic air from industry: Steri-Tech Inc. (72%), mostly ethylene oxide.
- Fine particles (PM2.5) average 7.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
Grades for ZIP 00771
- Superfund sites nearbyD
- Factories and industrial sitesB to C
- Oil and gas wellsA
- Air qualityB
- Past wildfire impactsA
- Past flood impactsC
Based on 9 census tracts · compiled September 10, 2026 · how each grade works and its sources
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Other ZIP codes in Las Piedras Municipio
ZIP 00771 is the only ZIP code we grade in Las Piedras Municipio.
All of Las Piedras Municipio · All of Puerto Rico · How grades work