Juncos Municipio, PR

ZIP 00777

In ZIP 00777, 1 of the 12 things we check have at least one part graded D or F.

• Nearest Superfund site: Juncos Landfill, 2.1 miles away.
• Largest share of modeled toxic air from industry: Steri-Tech Inc. (66%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.

Grades for ZIP 00777

• Superfund sites nearbyD to F
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityA to C
• Past wildfire impactsA
• Past flood impactsC

Based on 11 census tracts · compiled October 25, 2026 · how each grade works and its sources

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