Putnam County, IL

ZIP 61326

In ZIP 61326, 5 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hennepin Pwd meets every EPA legal limit; 13 contaminants are above health goals, led by lead at 36× California’s Public Health Goal.
• Nearest Superfund site: Depue/new Jersey Zinc/mobil Chemical Corp., 4.7 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Marquis Energy - Illinois LLC (40%), mostly acrolein.
• Fine particles (PM2.5) average 7.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 76,115 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 61326

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

Based on 2 census tracts · compiled September 10, 2026 · how each grade works and its sources

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