Baltimore County, MD

ZIP 21227

In ZIP 21227, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: The Neighborhoods At St. Elizabeth meets every EPA legal limit; 4 contaminants are above health goals, led by bromodichloromethane at 132× California’s Public Health Goal.
• Nearest Superfund site: Chemical Metals Industries, Inc., 1.2 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Elite Spice Inc. (65%), mostly ethylene oxide.
• Fine particles (PM2.5) average 8.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 87,878 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 21227

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

Based on 15 census tracts · compiled October 25, 2026 · how each grade works and its sources

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