Hancock County, ME

ZIP 04476

In ZIP 04476, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Castine Water Department meets every EPA legal limit; 7 contaminants are above health goals, led by lead at 9.4× California’s Public Health Goal.
• Nearest Superfund site: Callahan Mining Corp, 1.2 miles away.
• Largest share of modeled toxic air from industry: Fisher Engineering (67%), mostly chromium compounds.
• Fine particles (PM2.5) average 4.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 3,647 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 04476

• Superfund sites nearbyA to D
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityA
• Drinking water qualityD
• Pesticide useC
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsD

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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