Elmore County, ID

ZIP 83716

In ZIP 83716, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: King Hill Domestic Water And Sewer has 1 contaminant at or over an EPA legal limit; 4 contaminants are above health goals, led by arsenic at 23,025× California’s Public Health Goal.
• Nearest Superfund site: Mountain Home Air Force Base, 2.0 miles away.
• Largest share of modeled toxic air from industry: Big Tex Trailer Manufacturing Inc-Caldwell (41%), mostly chromium.
• Fine particles (PM2.5) average 9.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 539,232 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 83716

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

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

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