We educate and advocate to protect the Catawba-Wateree River Basin's lakes, rivers and streams for everyone who depends on and enjoys them. The Catawba Riverkeeper Foundation ("CRF") was formed in 1997. It is an award winning 501(c)(3) non-profit operating in the 24 counties of the Catawba-Wateree River watershed in North and South Carolina.

Protecting the Public's Right to Clean Water. Founded in 2008 and incorporated in 2009, we are a Charleston, South Carolina based organization whose mission is to protect, promote, and restore the quality of Charleston’s waterways while creating a more engaged public through education, outreach, and celebration of our collective right to clean water. Charleston, South Carolina

The Lake Murray Association (LMA) was chartered in 1994 by a group of citizens concerned with low lake levels. Our goal has always been to protect and preserve the integrity of Lake Murray, thus we are known as “The Voice of Lake Murray.” ​We serve as a watchful eye and educator on issues affecting the lake. We represent Lake Murray and ALL people who use and benefit from this wonderful resource. LMA conducts surveys and environmental studies directed at enhancing the health, safety and welfare of Lake Murray for all users. Lake Murray, South Carolina

Founded on July 1, 1978, the South Carolina Chapter Sierra Club is state's largest grassroots environmental organization with over 40,000 members and supporters across South Carolina. In addition to leading outdoor adventures in all parts of the state, the South Carolina Sierra Club works to safeguard the health of our communities, protect wildlife, and preserve our remaining wild places through grassroots activism, public education, lobbying and litigation. Columbia, South Carolina

A university-based network supporting research, education, and outreach to conserve coastal resources and enhance economic opportunity for the people of South Carolina.

The mission of the Winyah Rivers Alliance is to protect, preserve, monitor, and revitalize the health of the lands and waters of the greater Winyah Bay watershed. We are a grassroots organization whose members support the mission of protecting the rivers in the great watershed that empties into Winyah Bay at Georgetown, South Carolina, including the Waccamaw River, the Pee Dee and Little Pee Dee Rivers, the Black River, the Lynches River and the Sampit River. Conway, South Carolina