Kent County, MD

ZIP 21650

In ZIP 21650, 4 of the 12 things we check have at least one part graded D or F.

  • Drinking water: Millington Distribution System meets every EPA legal limit; 4 contaminants are above health goals, led by chloroform at 6.3× California’s Public Health Goal.
  • Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
  • Largest share of modeled toxic air from industry: Croda Inc (78%), 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 138,188 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 21650

  • Superfund sites nearbyA
  • Factories and industrial sitesA
  • Oil and gas wellsA
  • Parks and nature nearbyD
  • Air qualityB
  • Drinking water qualityC
  • Pesticide useF
  • Neighborhood health statusD
  • Past wildfire impactsA
  • Past flood impactsC
  • Noise levelsD
  • Radiation signalsC

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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