Aquaria Central Forums
Discussion on many fish and aquarium topics, including a forum for indoor and outdoor ponds.
Garden Pond and Koi Fish Forum
For the discussion of backyard garden ponds including fish, plants and care.
GardenWeb: Ponds & Aquatic Plants
Forum for discussion of design, construction and maintenance of ponds, and growing aquatic plants.
Hallson Gardens Forums
Bulletin board for gardening subjects, including one for ponds and bogs.
JB's Water Gardening Forum
This friendly, fairly active forum is open to all pond and water gardening topics.
Mississippi Wildlife Forums: Farm Pond Management Forum
Provides a moderated forum to discuss any aspect of managing farm ponds and small lakes.
PondHobbyist.com
An online community and resource center for pond and watergarden hobbyists. Forums, articles, and links.
