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The Laguna Lake Development Authority (LLDA) was established in 1966 as a quasi-government agency that leads, promotes, and accelerates sustainable development in the Laguna de Bay Region. [2] Regulatory and law-enforcement functions are carried out with provisions on environmental management, particularly on water quality monitoring ...
Along with the San Juan River, the two rivers act as natural drainage systems by receiving and conveying Calamba's (and Cabuyao's for San Cristobal) liquid wastes and storm surface runoff to the nearby Laguna de Bay. Both rivers are very polluted as a result, thus, affecting the water quality of the lake as well. [1]
The Siniloan River (Tagalog: Ilog ng Siniloan), also known as the Romelo River, is a river system that runs through Siniloan, Laguna on the island of Luzon, in the Philippines. It is one of 21 tributaries of Laguna de Bay and is regularly monitored by the Laguna Lake Development Authority (LLDA) through one of its 15 river monitoring stations.
Papallacta, Ecuador on 16 October 2011 The volcano Antisana seen from the hot spring of Papallacta. Papallacta is a village at an altitude of 3,300 metres (10,827 feet) in Napo Province, Ecuador. [1] Its population is 635 as of 2022. [2]
The Santa Cruz River (Tagalog: Ilog ng Santa Cruz) is a river system in Santa Cruz, Laguna, on the island of Luzon, in the Philippines.. It is one of 21 tributaries of Laguna de Bay, contributing about 15% of the total water in the lake.
The San Juan River (Tagalog: Ilog ng San Juan), also known as the Calamba River, is a river system in Calamba, Laguna, Philippines.It is one of 21 major tributaries of Laguna de Bay and is regularly monitored by the Laguna Lake Development Authority (LLDA) through one of its 15 river monitoring stations.
The LLDA notes that the Pagsanjan River Subwatershed is the second largest of the 21 sub basins that feed into Laguna de Bay, covering 311.77 square kilometres (120.38 sq mi), [16] and since it feeds so much water into the lake, it is "one of the biggest contributors of pollution loading".
Lake Calibato is one of the seven crater lakes collectively called Pitong Lawa or Seven Lakes of San Pablo in Laguna province in the Philippines. The lake is situated in Brgy. Sto. Angel in San Pablo City. Calibato has an area of 42 hectares (100 acres) and maximum depth of 135 metres (443 ft). Calibato's maximum water capacity is approximately ...