Lake County, IN

ZIP 46327

In ZIP 46327, 10 of the 12 things we check have at least one part graded D or F.

• Drinking water: Whiting Water Department meets every EPA legal limit; 8 contaminants are above health goals, led by lead at 42× California’s Public Health Goal.
• Nearest Superfund site: Estech General Chemical Company, 1.2 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: W R Grace & Co (41%), mostly cobalt compounds.
• Fine particles (PM2.5) average 8.9 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 46327

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

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

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