Knox County, IN

ZIP 47578

In ZIP 47578, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Edwardsport Water Utility has 1 contaminant at or over an EPA legal limit; 12 contaminants are above health goals, led by lead at 37× California’s Public Health Goal.
• Closer to Superfund sites than 0% of U.S. neighborhoods, with no listed site within 10 miles of its center.
• Largest share of modeled toxic air from industry: Duke Energy Indiana Inc. - Edwardsport Igcc (32%), mostly arsenic compounds.
• Fine particles (PM2.5) average 7.5 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 353,362 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 47578

• Superfund sites nearbyA
• Factories and industrial sitesB to C
• Oil and gas wellsD
• Parks and nature nearbyC to D
• Air qualityC
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA
• Radiation signalsC to D

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

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