Bremer County, IA

ZIP 50647

In ZIP 50647, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Waverly Water Department has 1 contaminant at or over an EPA legal limit; 13 contaminants are above health goals, led by lead at 99× California’s Public Health Goal.
• Nearest Superfund site: Waterloo Coal Gasification Plant, 9.4 miles away.
• Largest share of modeled toxic air from industry: Zinpro Corp (75%), mostly cobalt compounds.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 219,780 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 50647

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

Based on 3 census tracts · compiled September 10, 2026 · how each grade works and its sources

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