St. Johns County, FL

ZIP 32259

In ZIP 32259, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: Sjcu-Northeast Utilities Ws meets every EPA legal limit; 1 contaminant is above health goals, led by tthm at 35× Peer-Reviewed Research.
• Nearest Superfund site: Jacksonville Naval Air Station, 9.1 miles away.
• Largest share of modeled toxic air from industry: Medtronic Xomed LLC (40%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 573,703 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 32259

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

Based on 13 census tracts · compiled October 25, 2026 · how each grade works and its sources

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