Peoria County, IL

ZIP 61605

In ZIP 61605, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Groveland Township Water District meets every EPA legal limit; 9 contaminants are above health goals, led by arsenic at 200× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Biourja Renewables LLC (64%), mostly acrolein.
• Fine particles (PM2.5) average 8.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 231,052 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 61605

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

Based on 9 census tracts · compiled October 25, 2026 · how each grade works and its sources

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