York County, ME

ZIP 03904

In ZIP 03904, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: Kittery Water District meets every EPA legal limit; 3 contaminants are above health goals, led by trichloroacetic acid at 128× California’s Public Health Goal.
• Nearest Superfund site: Portsmouth Naval Shipyard, 1.9 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Pratt & Whitney (82%), mostly cobalt.
• Fine particles (PM2.5) average 6.9 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 03904

• Superfund sites nearbyF
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA to B
• Drinking water qualityD
• Pesticide useB to C
• Neighborhood health statusC
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA

Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources

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