Polk County, FL

ZIP 33850

In ZIP 33850, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Stw Property Duplexes has 1 contaminant at or over an EPA legal limit; 8 contaminants are above health goals, led by selenium at 12,971× California’s Public Health Goal.
• Nearest Superfund site: Callaway & Son Drum Service, 2.9 miles away.
• Largest share of modeled toxic air from industry: Mosaic Fertilizer Llc-Bartow (46%), mostly sulfuric acid.
• Fine particles (PM2.5) average 8.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 3,677,183 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 33850

• Superfund sites nearbyA
• Factories and industrial sitesC to F
• Oil and gas wellsA
• Parks and nature nearbyB to D
• Air qualityC to D
• Drinking water qualityB to F
• Pesticide useD to F
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsA

Based on 6 census tracts · compiled October 25, 2026 · how each grade works and its sources

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