Martin County, FL

ZIP 34956

In ZIP 34956, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: St. Lucie Mobile Village has 1 contaminant at or over an EPA legal limit; 23 contaminants are above health goals, led by pfos at 4.8× California’s Public Health Goal.
• Nearest Superfund site: Florida Steel Corp., 1.1 miles away.
• Largest share of modeled toxic air from industry: Turbocombustor Technology Inc. (98%), mostly nickel.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 1,355,352 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 34956

• Superfund sites nearbyC to F
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA to C
• 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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