Polk County, FL

ZIP 33851

In ZIP 33851, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: Winter Haven Water Department meets every EPA legal limit; 8 contaminants are above health goals, led by pfos at 2.8× California’s Public Health Goal.
• Nearest Superfund site: Callaway & Son Drum Service, 5.3 miles away.
• Largest share of modeled toxic air from industry: Mosaic Fertilizer Llc-Bartow (51%), mostly sulfuric acid.
• Fine particles (PM2.5) average 7.2 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 33851

• Superfund sites nearbyA
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityC
• Drinking water qualityB to C
• Pesticide useF
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsA

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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