Frederick County, VA

ZIP 22637

In ZIP 22637, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Lake Holiday Estates meets every EPA legal limit; 10 contaminants are above health goals, led by arsenic at 726× California’s Public Health Goal.
• Nearest Superfund site: Rhinehart Tire Fire Dump, 4.5 miles away.
• Largest share of modeled toxic air from industry: Trex - Virginia Manufacturing Operations (79%), mostly chromium compounds.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 255,332 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 22637

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

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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