Clinton County, IA

ZIP 52730

In ZIP 52730, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Brookhill Estates meets every EPA legal limit; 2 contaminants are above health goals, led by lead at 70× California’s Public Health Goal.
• Nearest Superfund site: Lawrence Todtz Farm, 3.3 miles away.
• Largest share of modeled toxic air from industry: Equistar Chemicals Clinton Plant (79%), mostly 1,3-butadiene.
• Fine particles (PM2.5) average 7.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 363,077 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 52730

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

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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