Harford County, MD

ZIP 21130

In ZIP 21130, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: City Of Aberdeen has 2 contaminants at or over an EPA legal limit; 11 contaminants are above health goals, led by pfoa at 786× California’s Public Health Goal.
• Nearest Superfund site: Bush Valley Landfill, 2.7 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Tnemec Co Inc (35%), mostly diisocyanates.
• Fine particles (PM2.5) average 7.0 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 21130

• Superfund sites nearbyF
• Factories and industrial sitesD
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityB
• Drinking water qualityB to F
• Pesticide useD
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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