Cowlitz County, WA

ZIP 98581

In ZIP 98581, 1 of the 12 things we check have at least one part graded D or F.

• Drinking water: Beacon Hill Water & Sewer District meets every EPA legal limit; 6 contaminants are above health goals, led by bromodichloromethane at 146× California’s Public Health Goal.
• 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: Emerald Kalama Chemical LLC (27%), mostly acetaldehyde.
• Fine particles (PM2.5) average 5.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 19,335 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 98581

• Superfund sites nearbyA
• Factories and industrial sitesA
• Oil and gas wellsB
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityB to C
• Pesticide useC
• Neighborhood health statusF
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsA

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

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