Anne Arundel County, MD

ZIP 21409

In ZIP 21409, 1 of the 12 things we check have at least one part graded D or F.

• Drinking water: Glen Burnie-Broadneck meets every EPA legal limit; 4 contaminants are above health goals, led by di(2-ethylhexyl) phthalate at 4.6× California’s Public Health Goal.
• Nearest Superfund site: Middletown Road Dump, 1.4 miles away.
• Largest share of modeled toxic air from industry: Elite Spice Inc. (64%), mostly ethylene oxide.
• Fine particles (PM2.5) average 8.0 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 21409

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

Based on 7 census tracts · compiled October 25, 2026 · how each grade works and its sources

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