Warren County, OH

ZIP 45066

In ZIP 45066, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Springboro Pws has 2 contaminants at or over an EPA legal limit; 13 contaminants are above health goals, led by pfos at 5.1× California’s Public Health Goal.
• Nearest Superfund site: Mound Plant (usdoe), 5.6 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Evertz Technology Services Inc. (30%), mostly chromium.
• Fine particles (PM2.5) average 8.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 93,781 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 45066

• Superfund sites nearbyA to D
• Factories and industrial sitesB to D
• Oil and gas wellsA to C
• Parks and nature nearbyD
• Air qualityD to F
• Drinking water qualityC to F
• Pesticide useD to F
• Neighborhood health statusB to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsD

Based on 8 census tracts · compiled September 10, 2026 · how each grade works and its sources

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