Porter County, IN

ZIP 46383

In ZIP 46383, 7 of the 12 things we check have at least one part graded D or F.

• Drinking water: L-A-C Utilities meets every EPA legal limit; 2 contaminants are above health goals, led by lead at 11× California’s Public Health Goal.
• Nearest Superfund site: Cam-Or Inc., 6.7 miles away.
• Largest share of modeled toxic air from industry: Powder Processing & Technology (63%), mostly chromium compounds.
• Fine particles (PM2.5) average 7.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 152,546 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 46383

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

Based on 13 census tracts · compiled September 10, 2026 · how each grade works and its sources

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