Bonneville County, ID

ZIP 83404

In ZIP 83404, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: Township Park Water Company has 1 contaminant at or over an EPA legal limit; 4 contaminants are above health goals, led by mercury (inorganic) at 61× European Union Drinking Water Directive.
• 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: Frazier Industrial Co (71%), mostly 1,2,4-trimethylbenzene.
• Fine particles (PM2.5) average 6.8 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 83404

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

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

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