Lawrence County, OH

ZIP 45659

In ZIP 45659, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Portsmouth City has 1 contaminant at or over an EPA legal limit; 15 contaminants are above health goals, led by pfos at 2× California’s Public Health Goal.
• Nearest Superfund site: E.h. Schilling Landfill, 2.4 miles away.
• Largest share of modeled toxic air from industry: Thistle Processing LLC (61%), mostly nickel.
• Fine particles (PM2.5) average 7.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 35,530 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 45659

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

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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