Skamania County, WA

ZIP 98651

In ZIP 98651, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Underwood meets every EPA legal limit; 3 contaminants are above health goals, led by bromodichloromethane at 6.5× California’s Public Health Goal.
• Closer to Superfund sites than 54% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Cardinal Glass (100%), mostly chromium.
• Fine particles (PM2.5) average 5.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 11,135 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 98651

• Superfund sites nearbyC
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyB
• Air qualityA
• Drinking water qualityA to B
• Pesticide useD
• Neighborhood health statusF
• Past wildfire impactsD
• Past flood impactsA
• Radiation signalsA

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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