New Castle County, DE

ZIP 19706

In ZIP 19706, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Artesian Water Company has 2 contaminants at or over an EPA legal limit; 19 contaminants are above health goals, led by hfpo-da at 1,577× Preliminary Research (Under Review).
• Nearest Superfund site: Standard Chlorine of Delaware, Inc., 3.3 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Croda Inc (76%), mostly ethylene oxide.
• Fine particles (PM2.5) average 7.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 97,688 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 19706

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

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

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