Bingham County, ID

ZIP 83274

In ZIP 83274, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Blackhawk Estates/Iron Rim meets every EPA legal limit; 3 contaminants are above health goals, led by arsenic at 500× California’s Public Health Goal.
• Closer to Superfund sites than 55% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Frazier Industrial Co (71%), mostly 1,2,4-trimethylbenzene.
• Fine particles (PM2.5) average 6.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 1,188,638 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 83274

• Superfund sites nearbyA to C
• Factories and industrial sitesA to C
• Oil and gas wellsA
• Parks and nature nearbyB to D
• Air qualityA
• Drinking water qualityC to D
• Pesticide useF
• Neighborhood health statusC to D
• Past wildfire impactsA to C
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsC to D

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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