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Assessing the impacts of a housing development on community flooding

Myrtle Beach, South Carolina

Featured image for the project, Assessing the impacts of a housing development on community flooding

Signs made by residents for a protest in April 2021 about new housing development in the Island Green community. Credit: Dawne Dunton

This project seeks to assess flooding hazards in the Island Green community and how they will be impacted by a new housing development. The project will provide residents and county officials with more information about the flooding hazards and safety challenges in the Island Green community.


The Community and the Challenge

Island Green is a community of around 1200 households near Myrtle Beach, South Carolina. The community is located next to the Waccamaw Wildlife Refuge and has abundant wildlife, including endangered and protected species. Due to its proximity to the wetlands, Island Green residents often have issues with flooding. The community also has only one two-lane access road, posing a safety hazard for residents.

A developer is starting construction on abandoned golf courses in the community with plans to add around 400 new homes. Residents are concerned about the effects the development will have on the existing flooding and safety issues, as well as on the wildlife. Several long-term residents are considering moving due to these issues and the development in the community.

Some of the residents of Island Green and adjacent neighborhoods, led by Dawne Dunton, have come together to form a group called Saving Island Green Wildlife & Beyond that aims to address these issues. A previous group of residents voiced their concerns to the county Planning Commission when the development was in its approval stages by attending commission meetings and by sending letters to commission members. Ultimately, they were unsuccessful in addressing the single-entry road issue or limiting or stopping the new development. The community hopes that this project, along with other support, can help them successfully address the issues facing the community.


Island Green in the News

April 29, 2021 – Rare bird, new homes, flooding, snails: Development collides with the environment in Island Green

April 6, 2021 – 25 HOA’s, one access road: Island Green residents protest additional development

July 12, 2019 – Planning commission gives go-ahead for developer to bring hundreds of new homes to Island Green

May 31, 2019 – More than 400 new Island Green homes appear to move forward despite road dispute

May 30, 2019 – ‘It isn’t safe’: Plans for Island Green approved after tied vote

April 26, 2019 – Proposal to bring hundreds of new homes in the works for Island Green


The Project

The community would like to evaluate the potential effects of the new housing development on flooding in the Island Green and neighboring communities and any related safety issues. The result of this project will likely be a report that can be used by the residents, the Horry County Council, and the county’s Planning Commission to understand how current and future development will affect flooding in the community. This project will provide support to the community in addressing their concerns and will serve as an example for communities that find themselves in similar situations.


Timeline and Milestones

Find a scientist to collaborate with: May 2021

  • Project start: May-June 2021
  • Project conclusion: between November 2021 and May 2022

Project Team

Dawne Dunton, Community Leader – Saving Island Green Wildlife & Beyond

Dawne has lived in the Myrtle Beach area since 2008 and in the gated community of Island Green since 2019. Being a nature photographer, she was immediately struck by the amazing trees, flowers, and abundance of wildlife that live on acres of an abandoned golf course behind her home. She has photographed Otters, Southern Fox Squirrels, Wood Storks, Red-Shouldered Hawks, the American Alligator, White-Tailed Deer, and most recently the rare-to-South-Carolina Limpkin, all in her community of Island Green. She founded the group “Saving Island Green Wildlife and Beyond” after witnessing surveyors harassing an alligator in a pond behind her home and learning that development was going to replace the natural beauty of Island Green. From a previous group, she learned the community was already overdeveloped, had safety issues, and was prone to flooding. Dawne did not have any experience in these types of issues, but she wasn’t going to let that stop her. She started doing her own research and taking her camera to document everything she finds no matter how insignificant. Among other things, she has documented a previously forgotten tram line that is now recorded with the South Carolina Institute of Archeology and Anthropology, Peach Creek which is a natural creek that runs through the area, and the Limpkins which are exhibiting breeding behavior. Dawne has created a coffee table book “What I See In Island Green” about Island Green that exhibits some of her many photos and is available for purchase on Amazon. Dawne believes what is happening in Island Green is wrong and will continue to fight for this community’s safety, to end their fear of flooding, and hopefully at the same time to save the beautiful wildlife and nature.


Gabrielle Tepp, Community Science Fellow

Gabrielle enjoys exploring new ideas and figuring out how things work and interconnect. Most recently, she was a Mendenhall post-doctoral fellow at the U.S. Geological Survey where she conducted research on volcano seismology and acoustics and assisted with volcano monitoring and eruption response. Prior to this, Gabrielle completed her PhD in physics at the University of Rochester. She then spent time as a Mirzayan S&T Policy Fellow at the National Academy of Sciences where she worked on projects related to natural hazards education and outreach, particularly earthquakes. She hopes to continue finding ways to connect people and science for the benefit of society.


Alexis Hidalgo, Collaborator – Anthropocene Alliance

Alexis is the Program Manager for Anthropocene Alliance, the nation’s largest coalition of frontline communities fighting for climate and environmental justice, of which Saving Island Green is a part of. She hopes to support in any way possible the incredible work that Dawne is doing to merge science and advocacy in her community.

Scientist Wanted

We are looking for one or more scientists who can help evaluate the impacts of housing development on flooding hazards and community safety. The project is currently aiming to produce a report for the county council and planning commission, but the community is open to ideas on output. We expect flooding hazards to be the main component of the project. Below is a list of desired skills but no single individual needs to have all of them. The community is also open to having students involved with the project. We expect the time commitment to be about 2 hours/week for the duration of the project.


Desired skills and qualifications:

  • Expertise in flooding hazards
  • Knowledge of development impacts on flooding and natural creeks
  • Experience in urban planning and safety
  • Interest in wildlife and/or natural flooding mitigation strategies
  • Ability to combine multiple concerns into a coherent project
  • Great at communicating with non-experts
  • Strong listening and collaboration skills
  • Willingness to work on a scientific project that could have political implications
  • Sensitive/sympathetic to community concerns
  • Prefer a scientist who could visit the community in-person (but not required)


Thriving Earth Exchange asks all scientific partners to work with the community to help define a project with concrete local impact to which they can contribute as pro-bono volunteers and collaborators. This work can also position the scientists and communities to seek additional funding, together, for the next stage.

Interested in volunteering as a scientist? Apply now!

Collaborating Organization(s)

Anthropocene Alliance is the nation’s largest coalition of frontline communities fighting for climate and environmental justice composed of 70 communities in 23 states and Puerto Rico. They assist communities in understanding and addressing the impacts of flooding, water contamination, air pollution, and wildfires. The Anthropocene Alliance’s goal is to bring frontline communities together and amplify their voices so they can have safe, healthy, and equitable communities.