Polk County, FL

ZIP 33858

In ZIP 33858, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: Northeast has 1 contaminant at or over an EPA legal limit; 10 contaminants are above health goals, led by pfos at 6.2× California’s Public Health Goal.
• Nearest Superfund site: Callaway & Son Drum Service, 10.0 miles away.
• Largest share of modeled toxic air from industry: Stanton Energy Center (66%), mostly arsenic compounds.
• Fine particles (PM2.5) average 7.6 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 33858

• Superfund sites nearbyA
• Factories and industrial sitesC
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityC
• Drinking water qualityB to D
• Pesticide useF
• Neighborhood health statusC
• 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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