Cidra Municipio, PR
ZIP 00739
In ZIP 00739, 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 00739
- 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 10 census tracts · compiled September 10, 2026 · how each grade works and its sources
Loading the full report, with every source…
Other ZIP codes in Cidra Municipio
ZIP 00739 is the only ZIP code we grade in Cidra Municipio.
All of Cidra Municipio · All of Puerto Rico · How grades work