I.Introduction
In a Retrospective Risk Assessment Study of Lake Lanao Aquatic Environment by Vicente B. Tuddao, Jr. Ph.D., he addressed problems regarding the current state of the Lake Lanao, its water quality, the state of its aquatic biodiversity and proposed a plan on Lake Lanao environmental risk management. In his study, Tuddao analyzed some major threats on the fresh water biodiversity and proposed ways on how to preserve them. He points out that degradation of the lake is very visible now with the decimation of its water quality. Indeed, water pollution is the major cause of the observed poor water quality of the Lake Lanao.
II.Summary
Lake Lanao is one of the most important inland bodies of water in the Philippines. It is considered the second largest inland aquatic resource and the biggest and deepest freshwater lake in the Philippines. Noted as a pre-historic and socio-culturally significant lake known the world over, Lake Lanao still exudes its majestic and tranquil waters flourishing with great biodiversity of aquatic life forms. Through the years however, the lake has not been spared from various anthropogenic activities associated with the growing demand of the lake’s resources- the water for domestic and agricultural use as well as for hydropower generation, contact recreation, boating, laundry and bathing, ritual use, water sports, fishes for domestic consumption and livelihood, and host of numerous lake’s related uses. The degradation of the lake is very visible now with the decimation of its water quality. Some of the possible contributory to its water and biological life decay are: lack of proper solid waste management of communities and barangays around the lake, direct disposal of waste water from domestic sources, heavy siltation and sedimentation resulting from land development, deforestation, improper