McHenry County, IL

ZIP 60012

In ZIP 60012, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Crystal Lake has 1 contaminant at or over an EPA legal limit; 15 contaminants are above health goals, led by pfos at 1.1× California’s Public Health Goal.
• Nearest Superfund site: Woodstock Municipal Landfill, 2.8 miles away.
• Largest share of modeled toxic air from industry: Arnold Magnetic Technologies - Arnold Engineering (36%), mostly chromium.
• Fine particles (PM2.5) average 8.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 211,541 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 60012

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

Based on 7 census tracts · compiled October 25, 2026 · how each grade works and its sources

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