Kennebec County, ME

ZIP 04344

In ZIP 04344, 3 of the 12 things we check have at least one part graded D or F.

  • Drinking water: Hallowell Water District meets every EPA legal limit; 7 contaminants are above health goals, led by arsenic at 250× California’s Public Health Goal.
  • Nearest Superfund site: O'connor Co., 5.0 miles away (2 within 10 miles).
  • Largest share of modeled toxic air from industry: Pioneer Plastics Corp (93%), mostly formaldehyde.
  • Fine particles (PM2.5) average 5.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
  • About 22,401 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 04344

  • Superfund sites nearbyC
  • Factories and industrial sitesA
  • Oil and gas wellsA
  • Parks and nature nearbyC
  • Air qualityA
  • Drinking water qualityC to D
  • Pesticide useD
  • Neighborhood health statusD
  • Past wildfire impactsA
  • Past flood impactsC
  • Noise levelsA
  • Radiation signalsC

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

Loading the full report, with every source…

We use cookies and analytics to understand how people use PollutionProfile and improve the experience. We never sell your data. Learn more.