Sabana Grande Municipio, PR
ZIP 00637
In ZIP 00637, 1 of the 12 things we check have at least one part graded D or F.
- Nearest Superfund site: San German Ground Water Contamination, 2.1 miles away (2 within 10 miles).
- Largest share of modeled toxic air from industry: Planta Penuelas (36%), mostly polycyclic aromatic compounds.
- Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
Grades for ZIP 00637
- Superfund sites nearbyD
- Factories and industrial sitesA to B
- Oil and gas wellsA
- Air qualityB to C
- Past wildfire impactsA
- Past flood impactsC
Based on 10 census tracts · compiled September 10, 2026 · how each grade works and its sources
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Other ZIP codes in Sabana Grande Municipio
ZIP 00637 is the only ZIP code we grade in Sabana Grande Municipio.
All of Sabana Grande Municipio · All of Puerto Rico · How grades work