Palm Beach County, FL

ZIP 33478

In ZIP 33478, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Seminole Improvement District has 2 contaminants at or over an EPA legal limit; 5 contaminants are above health goals, led by pfos at 9× California’s Public Health Goal.
• Nearest Superfund site: Solitron Microwave, 7.2 miles away.
• Largest share of modeled toxic air from industry: Turbocombustor Technology Inc. (98%), mostly nickel.
• Fine particles (PM2.5) average 7.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 3,445,573 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 33478

• Superfund sites nearbyA to D
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityA to B
• Drinking water qualityB to F
• Pesticide useF
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsB

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

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