Gas Pipeline Safety in South Carolina

Gas Infrastructure in South Carolina

South Carolina's gas distribution network is served primarily by Piedmont Natural Gas and Dominion Energy South Carolina, with service concentrated in the Piedmont region, the Midlands, and the rapidly growing Lowcountry around Charleston. The state's distribution system has expanded significantly over the past two decades as population growth in the Charleston metro area and the Greenville-Spartanburg corridor has driven new residential and commercial gas service extensions. Coastal communities along the Grand Strand and the Sea Islands present unique infrastructure challenges given their exposure to Atlantic weather systems.

Key Risk Factors

South Carolina's coastal geography makes its distribution infrastructure — particularly around Charleston, Beaufort, and Hilton Head — vulnerable to hurricane-force winds, storm surge, and the ground movement that accompanies major storm events. The state's rapid population growth in Charleston and Greenville has accelerated construction activity, increasing the frequency of third-party excavation near gas mains and service lines. Sandy coastal soils also provide less stable pipe bedding than the clay-heavy inland soils, creating conditions that can shift pipe alignment over time.

Incident Patterns

South Carolina's incident data reflects the twin pressures of storm-related infrastructure stress in coastal areas and excavation damage in the fast-growing suburban communities around Charleston and Greenville. Hurricane seasons bring recurring scrutiny to the resilience of coastal distribution systems that serve densely populated barrier islands and peninsula neighborhoods with limited egress routes. You can explore all incidents in South Carolina on our site.

Regulatory Oversight

Gas distribution utilities in South Carolina are regulated by the Public Service Commission of South Carolina, which oversees safety compliance, service standards, and rate structures for investor-owned utilities operating in the state. Before any digging project, South Carolina residents and contractors must call South Carolina 811 to have underground utilities marked — it's the law and it saves lives.

Stay Safe

• Learn the signs of a gas leak
• Know what to do if you smell gas
• Understand how gas leak detectors work