Hillsborough, FL

ZIP 33598

In ZIP 33598, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hcwrd/South-Central has 1 contaminant at or over an EPA legal limit; 13 contaminants are above health goals, led by pfos at 4.6× California’s Public Health Goal.
• Nearest Superfund site: Jj Seifert Machine, 5.0 miles away.
• Largest share of modeled toxic air from industry: Advanced Airfoil Components (67%), mostly cobalt.
• Fine particles (PM2.5) average 8.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 2,872,506 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 33598

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

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

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