Skamania County, WA

ZIP 98648

In ZIP 98648, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Washougal City Of has 1 contaminant at or over an EPA legal limit; 11 contaminants are above health goals, led by pfos at 5.6× California’s Public Health Goal.
• Nearest Superfund site: Bradford Island, 7.0 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Gunderson LLC (81%), mostly nickel.
• 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 98648

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

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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