Anne Arundel County, MD

ZIP 21401

In ZIP 21401, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Crownsville Hospital Center meets every EPA legal limit; 3 contaminants are above health goals, led by bromodichloromethane at 60× California’s Public Health Goal.
• Nearest Superfund site: Middletown Road Dump, 7.3 miles away.
• Largest share of modeled toxic air from industry: Elite Spice Inc. (62%), mostly ethylene oxide.
• Fine particles (PM2.5) average 8.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 34,792 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 21401

• Superfund sites nearbyA
• Factories and industrial sitesA to C
• Oil and gas wellsA
• Parks and nature nearbyB to D
• Air qualityB to D
• Drinking water qualityA to C
• Pesticide useB to D
• Neighborhood health statusA to D
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsB to C

Based on 11 census tracts · compiled October 25, 2026 · how each grade works and its sources

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