Harford County, MD

ZIP 21085

In ZIP 21085, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Lakeside Vista has 2 contaminants at or over an EPA legal limit; 6 contaminants are above health goals, led by pfos at 12× California’s Public Health Goal.
• Nearest Superfund site: Aberdeen Proving Ground (edgewood Area), 3.8 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Elite Spice Inc. (65%), mostly ethylene oxide.
• Fine particles (PM2.5) average 8.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 93,693 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 21085

• Superfund sites nearbyD to F
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityB to D
• Drinking water qualityA to F
• Pesticide useC to D
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA to D
• Radiation signalsA

Based on 7 census tracts · compiled October 25, 2026 · how each grade works and its sources

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