Jo Daviess County, IL

ZIP 61001

In ZIP 61001, 3 of the 12 things we check have at least one part graded D or F.

• Drinking water: Warren meets every EPA legal limit; 6 contaminants are above health goals, led by arsenic at 160× California’s Public Health Goal.
• Nearest Superfund site: Bautsch-Gray Mine, 8.7 miles away.
• Largest share of modeled toxic air from industry: Metform LLC (42%), mostly chromium.
• Fine particles (PM2.5) average 6.9 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 178,249 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 61001

• Superfund sites nearbyA to C
• Factories and industrial sitesA to C
• 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 impactsC
• Noise levelsA
• Radiation signalsF

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

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