Sagadahoc County, ME

ZIP 04530

In ZIP 04530, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Bath Water District meets every EPA legal limit; 7 contaminants are above health goals, led by lead at 36× California’s Public Health Goal.
• Nearest Superfund site: Brunswick Naval Air Station, 6.6 miles away.
• Largest share of modeled toxic air from industry: Bath Iron Works (63%), mostly 1,2,4-trimethylbenzene.
• Fine particles (PM2.5) average 4.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 1,570 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 04530

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

Based on 4 census tracts · compiled September 10, 2026 · how each grade works and its sources

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