Kootenai County, ID

ZIP 83815

In ZIP 83815, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Ross Point Water Dist meets every EPA legal limit; 2 contaminants are above health goals, led by arsenic at 1,088× California’s Public Health Goal.
• Closer to Superfund sites than 91% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Spokane Industries (78%), mostly chromium.
• Fine particles (PM2.5) average 8.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 106,320 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 83815

• Superfund sites nearbyD to F
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyA to C
• Air qualityA to D
• Drinking water qualityB to C
• Pesticide useC to F
• Neighborhood health statusB to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsC to F

Based on 10 census tracts · compiled October 25, 2026 · how each grade works and its sources

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