Hillsborough, FL

ZIP 33563

In ZIP 33563, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Robinson Orange Mhp meets every EPA legal limit; 10 contaminants are above health goals, led by lead at 32× California’s Public Health Goal.
• Nearest Superfund site: Schuylkill Metals Corp., 2.5 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Chromalloy Castings (41%), mostly cobalt.
• Fine particles (PM2.5) average 7.9 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 33563

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

Based on 12 census tracts · compiled September 10, 2026 · how each grade works and its sources

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