Friends Of The Rivers
- Organization dedicated to providing water quality education and information to local residents; includes local tides, research links, and details on volunteer opportunities.
- http://www.friendsoftherivers.com/

Edisto River Basin Project
- Information about one of the longest free flowing blackwater rivers in the United States. Includes a map, an overview of the project, statement of visions for the Edisto River Basin, project reports, information about recreational access, and contacts.
- http://www.dnr.sc.gov/water/envaff/river/wsedisto.html

Lowcountry Open Land Trust
- Seeks to assist landowners in permanently protecting lands that are valued by the community; includes organization information, land protection options, news and events, and ways to contribute.
- http://www.lolt.org/

Ace Basin National Wildlife Refuge
- U. S. Fish and Wildlife Service site containing refuge facts, natural history information, event calendar, management objectives, and contact information.
- http://acebasin.fws.gov/

EPA Watershed Profile for the Edisto
- Comprehensive information about the watershed including assessments of watershed health, environmental information, descriptions of the water resources, land and air characteristics, and people involved in the watershed.
- http://cfpub.epa.gov/surf/huc.cfm?huc_code=03050205

The Low Country Institute
- Provides leadership in the conservation and use of South Carolina's natural resources; find a nature guide, details on land use, and volunteer opportunities.
- http://www.lowcountryinstitute.org/

Characterization of the Ashepoo-Combahee-Edisto Basin
- History, summary, ecology and details on this largely undeveloped landscape consisting of extensive, diverse habitats, such as saltwater and brackish-water marshes, maritime forests, upland pines, and bottomland hardwoods.
- http://www.csc.noaa.gov/acebasin/