Beaufort County, SC

ZIP 29907

In ZIP 29907, 2 of the 12 things we check have at least one part graded D or F.

• Drinking water: Harbor Island (Sc0750013) meets every EPA legal limit; 7 contaminants are above health goals, led by bromodichloromethane at 174× California’s Public Health Goal.
• Nearest Superfund site: Parris Island Marine Corps Recruit Depot, 4.5 miles away (3 within 10 miles).
• Largest share of modeled toxic air from industry: Balchem Corp (71%), mostly ethylene oxide.
• Fine particles (PM2.5) average 6.7 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
• About 104,686 kg of agricultural pesticides are applied in the county each year.

Grades for ZIP 29907

• Superfund sites nearbyD
• Factories and industrial sitesA
• Oil and gas wellsA
• Parks and nature nearbyB to C
• Air qualityB
• Drinking water qualityC
• Pesticide useF
• Neighborhood health statusB to C
• Past wildfire impactsA
• Past flood impactsB
• Noise levelsA
• Radiation signalsA to B

Based on 3 census tracts · compiled October 25, 2026 · how each grade works and its sources

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