Baltimore County, MD

ZIP 21207

In ZIP 21207, 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: Chemical Metals Industries, Inc., 4.8 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Elite Spice Inc. (63%), mostly ethylene oxide.
• Fine particles (PM2.5) average 8.3 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 21207

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

Based on 19 census tracts · compiled October 25, 2026 · how each grade works and its sources

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