Caldwell County, NC

ZIP 28630

In ZIP 28630, 6 of the 12 things we check have at least one part graded D or F.

• Drinking water: Hickory City Of meets every EPA legal limit; 12 contaminants are above health goals, led by lead at 375× 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: U.S. Chemical Storage LLC (93%), mostly chromium.
• Fine particles (PM2.5) average 7.4 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 40,131 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 28630

• Superfund sites nearbyA
• Factories and industrial sitesC to D
• Oil and gas wellsA to B
• Parks and nature nearbyC to D
• Air qualityA to C
• Drinking water qualityB to F
• Pesticide useD to F
• Neighborhood health statusC to F
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA to C
• 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…