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Sullivan's Island delays formal adoption of Resilience Plan after consultant presentations; beach study shows limited island-wide change
Summary
Consultants presented a guidance-focused Resilience and Sea Level Rise Adaptation Plan and a 2025 beach-condition update; Council unanimously deferred accepting the plan until Nov. 18 to allow more public feedback. Presenters noted about one foot of sea-level rise since 2000 and recommended nature-based strategies and targeted demonstration projects.
Consultants from Weston & Sampson and Coastal Science and Engineering presented the Town with a suite of recommendations for managing rising seas and shoreline change on Sullivan's Island, and Council voted to postpone a formal acceptance vote until the Nov. 18 meeting to allow further public input.
Kim Morganello of Weston & Sampson summarized the Resilience and Sea Level Rise Adaptation Plan as a guidance document that “provides strategies on diverse scales” and emphasized that “none of the suggestions are requirements.” The plan, which staff asked be aligned with Seamon Whiteside’s Stormwater Master Plan, highlights nature-based solutions, identifies Town-owned properties suitable for demonstration projects, and suggests native-vegetation buffers along the marshfront.
Dr. Nicole Elko, who has worked with the Town on its annual beach survey, said the plan focuses on the Island through 2050 and recommends modest changes such as allowing eco-friendly erosion-control measures and more than a foot of fill under building footprints in some cases, while continuing accommodations for existing nonconforming structures. She recommended consolidating beach access along stable inland dune ridges to reduce dune-vegetation impacts and suggested residents press DOT and elected officials if causeway elevation is needed.
On the companion beach-condition briefing, Coastal Science and Engineering’s Dr. Patrick Barrineau and Steven Traynum reported minimal change island-wide between the 2024 and 2025 surveys, with localized erosion and accretion hot spots. They noted shoal migration is a periodic natural process and highlighted a pond at Station 28 that has formed since 2021 and may intermittently attach to the ocean. The presenters said the State could potentially issue a short-duration permit to open a temporary channel for drainage, but cautioned such permits are likely event-limited and would take weeks to secure. The consultants stated that sea levels have risen about one foot since 2000 and are likely to rise at least another foot by 2050.
Several residents raised questions during public comment about outreach and the types of solutions recommended. Resident Eric Dodson said some community members felt there had not been enough notice or line-item clarity in draft changes; Pierre de Lucy urged further discussion of engineered solutions and raised water-quality concerns. Staff and councilmembers said moving the formal acceptance to the November meeting will allow residents and Council more time to review revisions; Rebecca Fanning indicated consultants are unlikely to make substantial changes before adoption but that changes would be highlighted at the November meeting.
Next steps: Council will consider adoption of the plan at its Nov. 18 Regular Council meeting; staff encouraged residents to use the Project Story Map website for more information and to submit feedback ahead of that meeting.
