Clark County, KY
ZIP 40391
In ZIP 40391, 8 of the 12 things we check have at least one part graded D or F.
- Drinking water: Reid Village Water District meets every EPA legal limit; 5 contaminants are above health goals, led by lead at 47× 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: Prestress Services Industries Llc-Lexington Branch (45%), mostly chromium compounds.
- Fine particles (PM2.5) average 7.2 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
- About 26,898 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 40391
- Superfund sites nearbyA
- Factories and industrial sitesC to D
- Oil and gas wellsA to F
- Parks and nature nearbyC to F
- Air qualityB
- Drinking water qualityC to F
- Pesticide useD to F
- Neighborhood health statusC to F
- Past wildfire impactsA
- Past flood impactsA to C
- Noise levelsA to D
- Radiation signalsD
Based on 11 census tracts · compiled September 10, 2026 · how each grade works and its sources
Loading the full report, with every source…
Other ZIP codes in Clark County
ZIP 40391 is the only ZIP code we grade in Clark County.