Cumberland County, ME

ZIP 04011

In ZIP 04011, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Brunswick/Topsham Water District meets every EPA legal limit; 12 contaminants are above health goals, led by arsenic at 650× California’s Public Health Goal.
• Nearest Superfund site: Brunswick Naval Air Station, 1.9 miles away.
• Largest share of modeled toxic air from industry: Pioneer Plastics Corp (75%), mostly formaldehyde.
• Fine particles (PM2.5) average 5.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 9,458 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 04011

• Superfund sites nearbyD to F
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyC to D
• Air qualityA
• Drinking water qualityD
• Pesticide useC to D
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to D
• Radiation signalsC

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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