Baltimore city, MD

ZIP 21231

In ZIP 21231, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: City Of Baltimore meets every EPA legal limit; 6 contaminants are above health goals, led by bromodichloromethane at 125× California’s Public Health Goal.
• Nearest Superfund site: Kane & Lombard Street Drums, 3.0 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Elite Spice Inc. (59%), mostly ethylene oxide.
• Fine particles (PM2.5) average 9.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.

Grades for ZIP 21231

• Superfund sites nearbyD to F
• Factories and industrial sitesF
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityD to F
• Drinking water qualityC
• Neighborhood health statusA to F
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA to D
• Radiation signalsA to B

Based on 10 census tracts · compiled October 25, 2026 · how each grade works and its sources

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