Pasco County, FL

ZIP 34655

In ZIP 34655, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Florida Governmental Utility Authority has 1 contaminant at or over an EPA legal limit; 10 contaminants are above health goals, led by pfos at 12× California’s Public Health Goal.
• Nearest Superfund site: Stauffer Chemical Co. (tarpon Springs), 5.7 miles away.
• Largest share of modeled toxic air from industry: Chromalloy Castings (86%), mostly cobalt.
• Fine particles (PM2.5) average 8.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 384,437 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 34655

• Superfund sites nearbyA to D
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyB to D
• Air qualityB to D
• Drinking water qualityA to F
• Pesticide useC to F
• Neighborhood health statusB to F
• Past wildfire impactsA
• Past flood impactsA to B
• Noise levelsA to C
• Radiation signalsA

Based on 12 census tracts · compiled October 25, 2026 · how each grade works and its sources

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