Baltimore County, MD

ZIP 21228

In ZIP 21228, 7 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., 4.0 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Elite Spice Inc. (64%), 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 21228

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

Based on 20 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…