Harford County, MD

ZIP 21015

In ZIP 21015, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Fountain Green Mobile Home Park has 2 contaminants at or over an EPA legal limit; 8 contaminants are above health goals, led by pfoa at 643× California’s Public Health Goal.
• Nearest Superfund site: Bush Valley Landfill, 0.8 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Tnemec Co Inc (42%), mostly diisocyanates.
• Fine particles (PM2.5) average 7.3 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 21015

• Superfund sites nearbyC to F
• Factories and industrial sitesA to C
• Oil and gas wellsA
• Parks and nature nearbyB to D
• Air qualityA to C
• Drinking water qualityC to F
• Pesticide useC to D
• Neighborhood health statusB to C
• Past wildfire impactsA
• Past flood impactsB to C
• Noise levelsA
• Radiation signalsD

Based on 13 census tracts · compiled October 25, 2026 · how each grade works and its sources

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