- Castle Lake Limnological Research Station - Website of the UCDavis Limnological Research Station at Castle Lake, northern California, offering data examples, research and lake food web descriptions, publication bibliography, and photo gallery.
- Distinctive Lakes of the Earth - A group of tables ranking the lakes of the Earth by volume, surface area and depth.
- Lake Superior-Lake Baikal Institute - Geography, research, and photographs of the world's two largest lakes: Lake Superior (USA-Canada; largest in surface area) and Lake Baikal (Russia; deepest and largest by volume). Includes information on island research and photography.
- Lakes of Missouri Volunteer Program - A community-based water monitoring program based around the 25 Missouri Lakes, with a strong emphasis on educating the people about lake ecology and water quality.
- Southern California Water - Water conservation and reclamation in Southern California, to protect Mono Lake and other fragile systems.
