Scott County, IA

ZIP 52748

In ZIP 52748, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Long Grove Muni Water Supply meets every EPA legal limit; 2 contaminants are above health goals, led by arsenic at 1,330× California’s Public Health Goal.
• Nearest Superfund site: Lawrence Todtz Farm, 8.1 miles away.
• Largest share of modeled toxic air from industry: Arconic Davenport LLC (41%), mostly chromium.
• Fine particles (PM2.5) average 7.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 221,096 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 52748

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

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

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