Washington County, MD

ZIP 21722

In ZIP 21722, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Deer Lodge Mobile Home Park meets every EPA legal limit; 4 contaminants are above health goals, led by di(2-ethylhexyl) phthalate at 38× California’s Public Health Goal.
• Nearest Superfund site: Central Chemical (hagerstown), 6.6 miles away.
• Largest share of modeled toxic air from industry: Holcim(Us) Inc. (47%), mostly chromium.
• Fine particles (PM2.5) average 7.3 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 21722

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

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

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