Washington County, MD

ZIP 21795

In ZIP 21795, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Woodland Trailer Park has 1 contaminant at or over an EPA legal limit; 8 contaminants are above health goals, led by pfos at 6.7× California’s Public Health Goal.
• Nearest Superfund site: Central Chemical (hagerstown), 6.6 miles away.
• Largest share of modeled toxic air from industry: Engineered Polymer Solutions Inc. (34%), mostly butyl acrylate.
• Fine particles (PM2.5) average 8.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 144,043 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 21795

• Superfund sites nearbyA to D
• Factories and industrial sitesC to D
• Oil and gas wellsA
• Parks and nature nearbyC to F
• Air qualityC to D
• Drinking water qualityD to F
• Pesticide useD to F
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA to D
• Radiation signalsD to F

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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