Howard County, MD

ZIP 20794

In ZIP 20794, 8 of the 12 things we check have at least one part graded D or F.

• Drinking water: Glen Burnie-Broadneck meets every EPA legal limit; 14 contaminants are above health goals, led by tetrachloroethylene at 40× California’s Public Health Goal.
• Nearest Superfund site: Fort George G. Meade, 3.8 miles away (3 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 20794

• Superfund sites nearbyD to F
• Factories and industrial sitesD to F
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityC to F
• Drinking water qualityC to D
• Pesticide useC to D
• Neighborhood health statusA to C
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsC to D

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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