Smyth County, VA

ZIP 24370

In ZIP 24370, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Washington County Service Authority has 1 contaminant at or over an EPA legal limit; 10 contaminants are above health goals, led by pfoa at 3,171× California’s Public Health Goal.
• Nearest Superfund site: Saltville Waste Disposal Ponds, 4.7 miles away.
• Largest share of modeled toxic air from industry: Utility Trailer Manufacturing Co (38%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 33,884 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 24370

• Superfund sites nearbyC to F
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityA
• Drinking water qualityC to F
• Pesticide useD to F
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA
• Radiation signalsD

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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