Cayey Municipio, PR
ZIP 00736
In ZIP 00736, 3 of the 12 things we check have at least one part graded D or F.
- Nearest Superfund site: Cidra Groundwater Contamination, 1.3 miles away (2 within 10 miles).
- Largest share of modeled toxic air from industry: Steri-Tech Inc. (82%), mostly ethylene oxide.
- Fine particles (PM2.5) average 11.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
Grades for ZIP 00736
- Superfund sites nearbyD to F
- Factories and industrial sitesB
- Oil and gas wellsA
- Air qualityB to F
- Past wildfire impactsA
- Past flood impactsC to D
Based on 15 census tracts · compiled September 10, 2026 · how each grade works and its sources
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Other ZIP codes in Cayey Municipio
ZIP 00736 is the only ZIP code we grade in Cayey Municipio.
All of Cayey Municipio · All of Puerto Rico · How grades work