Hillsborough, FL

ZIP 33567

In ZIP 33567, 8 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, 2.1 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Chromalloy Castings (41%), mostly cobalt.
• Fine particles (PM2.5) average 8.2 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 33567

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

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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