Hillsborough, FL

ZIP 33547

In ZIP 33547, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Spring Hill Mhp meets every EPA legal limit; 4 contaminants are above health goals, led by lead at 49× California’s Public Health Goal.
• Nearest Superfund site: Sydney Mine Sludge Ponds, 5.1 miles away.
• Largest share of modeled toxic air from industry: Mosaic Fertilizer Llc-New Wales Plant (39%), mostly sulfuric acid.
• Fine particles (PM2.5) average 7.8 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 33547

• Superfund sites nearbyA to D
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityC
• Drinking water qualityC to F
• Pesticide useD to F
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to B
• Radiation signalsC to D

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

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