Stevens County, WA

ZIP 99040

In ZIP 99040, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Ford-Newhouse Lane meets every EPA legal limit; 2 contaminants are above health goals, led by lead at 34× California’s Public Health Goal.
• Nearest Superfund site: Midnite Mine, 4.7 miles away.
• Largest share of modeled toxic air from industry: Steelfab Of Oregon (61%), mostly chromium.
• Fine particles (PM2.5) average 7.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 40,370 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 99040

• Superfund sites nearbyC
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityB
• Drinking water qualityD to F
• Pesticide useD
• Neighborhood health statusF
• Past wildfire impactsC
• Past flood impactsA
• Noise levelsA
• Radiation signalsD

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

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