Florence County, SC

ZIP 29583

In ZIP 29583, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: Johnsonville City Of (Sc2110011) meets every EPA legal limit; 8 contaminants are above health goals, led by bromoform at 1.2× 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: Westrock Cp LLC (50%), mostly acetaldehyde.
• Fine particles (PM2.5) average 6.3 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 300,758 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 29583

• Superfund sites nearbyA
• Factories and industrial sitesA to B
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityA
• Drinking water qualityB
• Pesticide useF
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA
• Radiation signalsA

Based on 4 census tracts · compiled October 25, 2026 · how each grade works and its sources

Loading the full report, with every source…