Howard County, MD

ZIP 21044

In ZIP 21044, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Howard County D.p.w. Distribution meets every EPA legal limit; 0 contaminants are above health goals, led by trichloroacetic acid at 177× California’s Public Health Goal.
• Nearest Superfund site: Beltsville Agricultural Research Center (usda), 9.6 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Elite Spice Inc. (53%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.9 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 21044

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

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

Loading the full report, with every source…