Kootenai County, ID

ZIP 83842

In ZIP 83842, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Cassandra Hills Owners Assn has 1 contaminant at or over an EPA legal limit; 2 contaminants are above health goals, led by arsenic at 4,023× California’s Public Health Goal.
• Closer to Superfund sites than 95% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Spokane Industries (74%), mostly chromium.
• Fine particles (PM2.5) average 6.5 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 83842

• Superfund sites nearbyF
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityA
• Drinking water qualityA to F
• Pesticide useD to F
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• 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…