Lewis County, WA

ZIP 98544

In ZIP 98544, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Centralia Public Works - Water has 1 contaminant at or over an EPA legal limit; 9 contaminants are above health goals, led by pfos at 4.8× California’s Public Health Goal.
• Nearest Superfund site: Centralia Municipal Landfill, 1.7 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Imperial Group Manufacturing (74%), mostly chromium.
• Fine particles (PM2.5) average 5.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 26,101 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 98544

• Superfund sites nearbyF
• Factories and industrial sitesB
• Oil and gas wellsD
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsB

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

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