Pinellas County, FL

ZIP 34677

In ZIP 34677, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Oldsmar Water System meets every EPA legal limit; 8 contaminants are above health goals, led by arsenic at 292× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Chromalloy Castings (37%), mostly cobalt.
• Fine particles (PM2.5) average 8.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 4,529 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 34677

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

Based on 7 census tracts · compiled September 10, 2026 · how each grade works and its sources

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