Lake County, IN

ZIP 46322

In ZIP 46322, 10 of the 12 things we check have at least one part graded D or F.

• Drinking water: Schererville Water Department meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 9.7× California’s Public Health Goal.
• Nearest Superfund site: American Chemical Service, Inc., 2.5 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Tms International LLC (52%), mostly chromium compounds.
• Fine particles (PM2.5) average 8.8 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 154,031 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 46322

• Superfund sites nearbyF
• Factories and industrial sitesF
• Oil and gas wellsD
• Parks and nature nearbyD to F
• Air qualityD to F
• Drinking water qualityC to D
• Pesticide useD to F
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsC to D

Based on 6 census tracts · compiled September 10, 2026 · how each grade works and its sources

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