Mahoning County, OH

ZIP 44509

In ZIP 44509, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Niles City Pws has 1 contaminant at or over an EPA legal limit; 11 contaminants are above health goals, led by pfos at 6.5× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Rmi Titanium Co LLC (24%), mostly chromium compounds.
• Fine particles (PM2.5) average 8.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 49,778 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 44509

• Superfund sites nearbyA
• Factories and industrial sitesC
• Oil and gas wellsF
• Parks and nature nearbyD to F
• Air qualityC to D
• Drinking water qualityF
• Pesticide useC to F
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsC to D

Based on 9 census tracts · compiled September 10, 2026 · how each grade works and its sources

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