Hillsborough, FL

ZIP 33549

In ZIP 33549, 4 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: Southern Solvents, Inc., 6.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Chromalloy Castings (73%), mostly cobalt.
• Fine particles (PM2.5) average 8.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 2,111,467 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 33549

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

Based on 8 census tracts · compiled October 25, 2026 · how each grade works and its sources

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