Hillsborough, FL

ZIP 33810

In ZIP 33810, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Southern Oaks Mhp meets every EPA legal limit; 7 contaminants are above health goals, led by lead at 57× California’s Public Health Goal.
• Nearest Superfund site: Alpha Chemical Corp., 2.8 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Chromalloy Castings (60%), mostly cobalt.
• 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 33810

• Superfund sites nearbyA to D
• Factories and industrial sitesC to D
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityB to C
• Drinking water qualityB to F
• Pesticide useF
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsB to C
• Noise levelsA to B
• Radiation signalsB to C

Based on 13 census tracts · compiled September 10, 2026 · how each grade works and its sources

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