Eau Claire Development Corporation
- Non-profit organization whose mission is to assist in conservation and revitalization efforts in this North Columbia community. Includes profile, projects, and related links.
- http://www.eauclairecolumbiasc.com/

Eau Claire Community Council
- Umbrella organization representing the 32 neighborhoods in this historic suburb of Columbia. Includes a community profile, details on schools and businesses, and a directory of council members.
- http://www.eauclairecommunity.org/