Dallas County, IA

ZIP 50325

In ZIP 50325, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: West Des Moines Water Works has 2 contaminants at or over an EPA legal limit; 15 contaminants are above health goals, led by lead at 47× California’s Public Health Goal.
• Nearest Superfund site: Railroad Avenue Groundwater Contamination, 3.4 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Cb&I Storage Tank Solutions LLC. (75%), mostly chromium.
• Fine particles (PM2.5) average 7.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 255,688 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 50325

• Superfund sites nearbyC to F
• Factories and industrial sitesB to C
• Oil and gas wellsA
• Parks and nature nearbyD to F
• Air qualityB to C
• Drinking water qualityF
• Pesticide useD to F
• Neighborhood health statusA to C
• Past wildfire impactsA
• Past flood impactsF
• Noise levelsA to C
• Radiation signalsD to F

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

Loading the full report, with every source…