Hamilton County, IN

ZIP 46037

In ZIP 46037, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Citizens Water - Indianapolis meets every EPA legal limit; 17 contaminants are above health goals, led by lead at 20× 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: Yamaha Marine Precision Propeller Industries Greenfield (26%), mostly nickel.
• Fine particles (PM2.5) average 8.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 141,399 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 46037

• Superfund sites nearbyA
• Factories and industrial sitesB
• Oil and gas wellsA to F
• Parks and nature nearbyD to F
• Air qualityD to F
• Drinking water qualityD
• Pesticide useD to F
• Neighborhood health statusA to B
• Past wildfire impactsA
• Past flood impactsA
• Noise levelsA to C
• Radiation signalsD

Based on 8 census tracts · compiled September 10, 2026 · how each grade works and its sources

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