Howard County, MD

ZIP 21075

In ZIP 21075, 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: Mid-Atlantic Wood Preservers, Inc., 5.9 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Elite Spice Inc. (93%), 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 35,799 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 21075

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

Based on 9 census tracts · compiled October 25, 2026 · how each grade works and its sources

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