Nassau County, FL

ZIP 32046

In ZIP 32046, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Dayspring Senior Living meets every EPA legal limit; 6 contaminants are above health goals, led by lead at 69× California’s Public Health Goal.
• Closer to Superfund sites than 59% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Cmc Steel Florida (50%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 3,320 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 32046

• Superfund sites nearbyA to C
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityB
• Drinking water qualityC to F
• Pesticide useB to D
• Neighborhood health statusB to D
• Past wildfire impactsA to C
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsB to C

Based on 7 census tracts · compiled September 10, 2026 · how each grade works and its sources

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