Columbiana County, OH

ZIP 43945

In ZIP 43945, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hcwsd - Germano Water And Sewer meets every EPA legal limit; 7 contaminants are above health goals, led by tetrachloroethylene at 7.3× California’s Public Health Goal.
• Nearest Superfund site: Trw, Inc. (minerva Plant), 7.2 miles away.
• Largest share of modeled toxic air from industry: W H Sammis Plant (43%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 26,532 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 43945

• Superfund sites nearbyA to C
• Factories and industrial sitesC to D
• Oil and gas wellsF
• Parks and nature nearbyB to C
• Air qualityC
• Drinking water qualityB to C
• Pesticide useC to F
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsC to D
• Noise levelsA
• Radiation signalsF

Based on 5 census tracts · compiled October 25, 2026 · how each grade works and its sources

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