Sussex County, DE

ZIP 19963

In ZIP 19963, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Dover Water Department has 1 contaminant at or over an EPA legal limit; 20 contaminants are above health goals, led by lead at 69× California’s Public Health Goal.
• Nearest Superfund site: Dover Air Force Base, 1.8 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Handytube Corp (76%), mostly trichloroethylene.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 538,410 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 19963

• Superfund sites nearbyA to D
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityA to B
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsC to F
• Noise levelsA to C
• Radiation signalsB to C

Based on 8 census tracts · compiled September 10, 2026 · how each grade works and its sources

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