Tippecanoe County, IN

ZIP 47904

In ZIP 47904, 9 of the 12 things we check have at least one part graded D or F.

• Drinking water: Lafayette Water Works meets every EPA legal limit; 15 contaminants are above health goals, led by pfos at 2.4× California’s Public Health Goal.
• Nearest Superfund site: Tippecanoe Sanitary Landfill, Inc., 1.7 miles away.
• Largest share of modeled toxic air from industry: Covestro LLC. (73%), mostly propyleneimine.
• Fine particles (PM2.5) average 8.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 272,437 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 47904

• Superfund sites nearbyD to F
• Factories and industrial sitesD to F
• Oil and gas wellsA
• Parks and nature nearbyD to F
• Air qualityD
• Drinking water qualityD to F
• Pesticide useD to F
• Neighborhood health statusC to D
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to D
• Radiation signalsD

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

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