Monroe County, FL

ZIP 33037

In ZIP 33037, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Mdwasa/Rex Utilities has 2 contaminants at or over an EPA legal limit; 28 contaminants are above health goals, led by pfos at 30× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Cemex Construction Materials Florida LLC (79%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 29 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 33037

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyB to D
• Air qualityA
• Drinking water qualityF
• Pesticide useA
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsA to B
• Noise levelsA to C

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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