At a Glance

CSE secured approvals for a bold channel relocation within one of South Carolina's most dynamic inlet systems. Rigorous modeling and environmental coordination demonstrated that realignment would improve sand distribution while protecting adjacent wetlands. The project established a forward-looking management strategy capable of guiding future inlet shifts with confidence.

Year 1996
Location Seabrook Island, SC
Client Seabrook Island Property Owners Association
Scope 2.5 miles

Permitting a Moving Inlet

Relocating Captain Sams Inlet required securing approvals for a project that would intentionally shift a dynamic tidal channel within a sensitive coastal system. Regulators demanded clear hydraulic justification, environmental safeguards for wetlands and habitat, and assurance that adjacent shorelines would not be adversely impacted. The challenge was proving that engineered relocation could restore natural sediment processes while meeting stringent state and federal standards.

Challenge

Science-Driven Inlet Realignment Strategy

CSE advanced a data-driven permitting strategy grounded in hydraulic modeling, sediment transport analysis, and detailed environmental documentation. Close coordination with state and federal agencies translated complex coastal processes into clear, defensible engineering justifications. The approach demonstrated how strategic channel relocation could restore sand movement, protect wetlands, and deliver long-term shoreline stability within a regulated framework.

Approach

Restoring Balance to a Dynamic System

The permitted relocation reestablished natural sediment pathways, widened beaches, and reduced chronic erosion pressures along Seabrook Island's shoreline. By aligning engineering, environmental stewardship, and regulatory compliance, the project became a model for responsible inlet management. The result delivered durable coastal recovery and a long-term framework for managing future inlet movement.

Impact
Challenge
Approach
Impact

Project Transformation

See the dramatic difference our coastal engineering solutions made.

Before
Before
After
After

Relocating Captain Sams Inlet restored a more favorable channel alignment while reducing erosion pressure on the surrounding shoreline.

"Winner of the 2016 ASBPA Best Restored Beach Award"

American Shore & Beach Preservation Association

American Shore & Beach Preservation Association

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