Roanoke County, VA

ZIP 24070

In ZIP 24070, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Western Virginia Water Authority meets every EPA legal limit; 11 contaminants are above health goals, led by pfos at 2× California’s Public Health Goal.
• Nearest Superfund site: Matthews Electroplating, 6.0 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Alliant Techsystems Operations LLC (New River Energetics) (58%), mostly nitroglycerin.
• Fine particles (PM2.5) average 6.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 2,822 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 24070

• Superfund sites nearbyA
• Factories and industrial sitesD to F
• Oil and gas wellsA
• Parks and nature nearbyA to B
• Air qualityA
• Drinking water qualityA to C
• Pesticide useC to D
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsD to F

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

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