York County, ME

ZIP 03911

In ZIP 03911, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: York Water District meets every EPA legal limit; 6 contaminants are above health goals, led by trichloroacetic acid at 113× California’s Public Health Goal.
• Nearest Superfund site: Portsmouth Naval Shipyard, 5.5 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Pratt & Whitney (94%), mostly cobalt.
• Fine particles (PM2.5) average 5.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 17,714 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 03911

• Superfund sites nearbyD
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityD
• Pesticide useC
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA

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

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