Utuado Municipio, PR

ZIP 00641

In ZIP 00641, 1 of the 12 things we check have at least one part graded D or F.

• Nearest Superfund site: Papelera Puertorriquena, Inc., 0.5 miles away.
• Largest share of modeled toxic air from industry: Steri-Tech Inc. (94%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.

Grades for ZIP 00641

• Superfund sites nearbyC to F
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Air qualityA to B
• Past wildfire impactsA
• Past flood impactsC

Based on 9 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…