Bonner County, ID

ZIP 83825

In ZIP 83825, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Dover City Of meets every EPA legal limit; 4 contaminants are above health goals, led by arsenic at 450× 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: Safran Cabin Materials LLC (82%), mostly formaldehyde.
• Fine particles (PM2.5) average 7.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 7,316 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 83825

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityB to C
• Drinking water qualityC to D
• Pesticide useC to D
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsB to D
• Radiation signalsD

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

Loading the full report, with every source…