Polk County, FL

ZIP 33809

In ZIP 33809, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Zephyrhills City Of has 2 contaminants at or over an EPA legal limit; 15 contaminants are above health goals, led by pfos at 13× California’s Public Health Goal.
• Nearest Superfund site: Alpha Chemical Corp., 2.8 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Chromalloy Castings (60%), mostly cobalt.
• 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 33809

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

Based on 15 census tracts · compiled September 10, 2026 · how each grade works and its sources

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