Geography of the Philippines Bay. Laguna de Bay, east of Manila Bay, is the largest freshwater lake in the Philippines. Several rivers have been harnessed for hydroelectric power. To protect the country's biological resources, the government has taken a first step of preparing a Biodiversity Action Plan to address conservation of threatened species. The islands are volcanic in origin, being part of the Pacific Ring of Fire, and are mostly mountainous. The highest point in the country is the peak of Mount Apo in Mindanao, which is above sea level. The second highest point can be found on Luzon at Mount Pulag, a peak
Laguna Lake Development Authority swine farms and slaughterhouses); clustered dwellings (i.e., residential subdivisions); and domestic households Under the EUFS, a firm is required to secure a discharge permit which is renewed annually at the LLDA. The discharge permit effectively allows the firm to discharge its wastewater to the lake or through its main tributaries. The discharge permit gives the establishment a legal right to dispose their waste water in the Laguna de Bay region. Wastewater is basically sewage, storm water, and water used around the community, including firms. Domestic wastewater includes black water, or wastewater from toilets, and gray water, which is wastewater from