Jasper County, IA

ZIP 50251

In ZIP 50251, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Pella Water Works Department meets every EPA legal limit; 9 contaminants are above health goals, led by lithium at 9.4× the USGS health-based screening level.
• Nearest Superfund site: Midwest Manufacturing/north Farm, 7.7 miles away.
• Largest share of modeled toxic air from industry: Arcosa Wind Towers Inc. Plt 1550 (65%), mostly chromium.
• Fine particles (PM2.5) average 6.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 294,888 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 50251

• Superfund sites nearbyA to C
• Factories and industrial sitesB to D
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityB
• Drinking water qualityB to C
• Pesticide useF
• Neighborhood health statusC
• Past wildfire impactsA
• Past flood impactsF
• Noise levelsA to F
• Radiation signalsF

Based on 2 census tracts · compiled October 25, 2026 · how each grade works and its sources

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