Kent County, DE

ZIP 19946

In ZIP 19946, 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 (88%), mostly trichloroethylene.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 349,391 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 19946

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

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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