Washington County, ME

ZIP 04491

In ZIP 04491, 1 of the 12 things we check have at least one part graded D or F.

• Drinking water: Indian Township Tribal Water System meets every EPA legal limit; 4 contaminants are above health goals, led by arsenic at 525× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Woodland Pulp LLC (100%), mostly acetaldehyde.
• Fine particles (PM2.5) average 4.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 4,171 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 04491

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityA
• Drinking water qualityB to C
• Pesticide useB
• Neighborhood health statusF
• Noise levelsA
• Radiation signalsB

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

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