Harford County, MD

ZIP 21009

In ZIP 21009, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Fountain Green Mobile Home Park has 3 contaminants at or over an EPA legal limit; 11 contaminants are above health goals, led by pfos at 4.4× California’s Public Health Goal.
• Nearest Superfund site: Bush Valley Landfill, 1.2 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Elite Spice Inc. (50%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.4 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 21009

• Superfund sites nearbyD to F
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyC to F
• Air qualityB to C
• Drinking water qualityF
• Pesticide useD to F
• Neighborhood health statusB to C
• Past wildfire impactsA
• Past flood impactsB to C
• Noise levelsA to C

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

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