Pierce County, WA

ZIP 98390

In ZIP 98390, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Puyallup City Of meets every EPA legal limit; 12 contaminants are above health goals, led by pfos at 2.7× California’s Public Health Goal.
• Nearest Superfund site: Hidden Valley Landfill (thun Field), 7.6 miles away (2 within 10 miles).
• Largest share of modeled toxic air from industry: Puget Sound Coatings (43%), mostly diisocyanates.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 18,075 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 98390

• Superfund sites nearbyA to D
• Factories and industrial sitesC to D
• Oil and gas wellsB to C
• Parks and nature nearbyC to D
• Air qualityA to B
• Drinking water qualityD to F
• Pesticide useB to D
• Neighborhood health statusB to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to C
• Radiation signalsB

Based on 8 census tracts · compiled September 10, 2026 · how each grade works and its sources

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