Grant County, WA

ZIP 99357

In ZIP 99357, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Moses Lake City Of has 1 contaminant at or over an EPA legal limit; 19 contaminants are above health goals, led by lead at 11× California’s Public Health Goal.
• Closer to Superfund sites than 58% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Yakima Training Center- Range (74%), mostly lead compounds.
• Fine particles (PM2.5) average 7.0 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 5,279,716 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 99357

• Superfund sites nearbyA to C
• Factories and industrial sitesA to B
• Oil and gas wellsA to B
• Parks and nature nearbyC to D
• Air qualityB
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusB to D
• Past wildfire impactsA to D
• Past flood impactsA
• Noise levelsA
• Radiation signalsC to D

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

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