Ada County, ID

ZIP 83705

In ZIP 83705, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Desert View Estates Water Corp has 2 contaminants at or over an EPA legal limit; 9 contaminants are above health goals, led by arsenic at 338× 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: US Ecology Idaho Inc. (53%), mostly chromium.
• Fine particles (PM2.5) average 9.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 84,470 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 83705

• Superfund sites nearbyA
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityB to F
• Drinking water qualityC to F
• Pesticide useB to C
• Neighborhood health statusA to C
• Past wildfire impactsD
• Past flood impactsA
• Noise levelsA to F
• Radiation signalsF

Based on 12 census tracts · compiled October 25, 2026 · how each grade works and its sources

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