The Underwater Harvesters Association (UHA) is a non-profit organization established in 1981 that represents British Columbia's geoduck and horse clam licence holders. The UHA is known for its leadership in sustainability and co-management of the geoduck fishery in collaboration with the Canadian Department of Fisheries and Oceans. The association is involved in managing and marketing geoduck, conducting research, and enhancing geoduck populations through aquaculture. The UHA is also committed to ensuring that the geoduck harvested is of the highest quality, adhering to stringent environmental and safety standards.