Hendricks County, IN
ZIP 46121
In ZIP 46121, 5 of the 12 things we check have at least one part graded D or F.
- Drinking water: Jamestown Municipal Water has 1 contaminant at or over an EPA legal limit; 5 contaminants are above health goals, led by arsenic at 767× 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: Buzzi Unicem Usa-Greencastle Plant (57%), mostly chromium compounds.
- Fine particles (PM2.5) average 7.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
- About 181,699 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 46121
- Superfund sites nearbyA
- Factories and industrial sitesA to C
- Oil and gas wellsA
- Parks and nature nearbyC to F
- Air qualityC
- Drinking water qualityB to F
- Pesticide useF
- Neighborhood health statusD to F
- Past wildfire impactsA
- Past flood impactsA
- Noise levelsA
- Radiation signalsF
Based on 5 census tracts · compiled October 25, 2026 · how each grade works and its sources
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