Gallia County, OH

ZIP 45631

In ZIP 45631, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Gallipolis Pws has 1 contaminant at or over an EPA legal limit; 11 contaminants are above health goals, led by lead at 30× California’s Public Health Goal.
• Nearest Superfund site: West Virginia Ordnance (usarmy), 7.7 miles away.
• Largest share of modeled toxic air from industry: Icl-Ip America Inc (64%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 14,333 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 45631

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

Based on 7 census tracts · compiled September 10, 2026 · how each grade works and its sources

Loading the full report, with every source…