Howard County, MD

ZIP 20763

In ZIP 20763, 4 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, 4.9 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Elite Spice Inc. (47%), 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 20763

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

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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