Whiteside County, IL

ZIP 61251

In ZIP 61251, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Erie meets every EPA legal limit; 10 contaminants are above health goals, led by nitrate at 2.4× https://journals.plos.org/water/article?id=10.1371/journal.pwat.0000329, https://www.polkcountyiowa.gov/media/lixlchbz/ciswra-currents-of-change_final-scientific-assessment-of-source-water-research-report_jun272025.pdf#page=222.
• Closer to Superfund sites than 54% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Adm Corn Processing (33%), mostly chromium.
• Fine particles (PM2.5) average 7.1 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 446,815 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 61251

• Superfund sites nearbyC
• Factories and industrial sitesC
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityB
• Drinking water qualityB to C
• Pesticide useF
• Neighborhood health statusD
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsB
• Radiation signalsD

Based on 1 census tract · compiled October 25, 2026 · how each grade works and its sources

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