Baltimore County, MD

ZIP 21131

In ZIP 21131, 4 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; 17 contaminants are above health goals, led by di(2-ethylhexyl) phthalate at 21× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Elite Spice Inc. (41%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.5 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 21131

• Superfund sites nearbyA
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityB to C
• Drinking water qualityD
• Pesticide useD
• Neighborhood health statusB to C
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA
• Radiation signalsD

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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