Valley County, ID

ZIP 83677

In ZIP 83677, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Yellow Pine Water Users Inc meets every EPA legal limit; 5 contaminants are above health goals, led by arsenic at 1,833× California’s Public Health Goal.
• Closer to Superfund sites than 53% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Tamarack Mills (Dba Evergreen Forests) (100%), mostly lead.
• Fine particles (PM2.5) average 5.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 24,282 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 83677

• Superfund sites nearbyC
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityA
• Drinking water qualityA to D
• Pesticide useF
• Neighborhood health statusD
• Past wildfire impactsF
• Past flood impactsA

Based on 1 census tract · compiled September 10, 2026 · how each grade works and its sources

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