Barnwell County, SC

ZIP 29817

In ZIP 29817, 4 of the 12 things we check have at least one part graded D or F.

• Drinking water: Denmark Town Of (Sc0510002) has 2 contaminants at or over an EPA legal limit; 11 contaminants are above health goals, led by trichloroethylene at 13× California’s Public Health Goal.
• Nearest Superfund site: Shuron Inc., 2.3 miles away.
• Largest share of modeled toxic air from industry: U.S. Doe Savannah River Ops (35%), mostly formaldehyde.
• Fine particles (PM2.5) average 6.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 118,477 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 29817

• Superfund sites nearbyA to F
• Factories and industrial sitesB
• Oil and gas wellsA
• Parks and nature nearbyC
• Air qualityA
• Drinking water qualityC to F
• Pesticide useF
• Neighborhood health statusD to F
• Past wildfire impactsA
• Past flood impactsC
• Noise levelsA to C
• Radiation signalsB to C

Based on 5 census tracts · compiled September 10, 2026 · how each grade works and its sources

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