GNF - Laguna de Bay

Laguna de Bay – Philippines


Background Laguna de Bay

Laguna de Bay is the largest lake of the Philippines covering a surface of 900 sq. km stretching over the provinces Rizal and Laguna. Larger cities located in the vincinity are Manila, Quezon and San Pablo. Laguna de Bay is fed by 21 rivers; its catchment area comprises about 3.820 sq. km. The only outflow of the lake which is, on average, 2.8 m deep, is the Pasig River.

The rivers flowing into Laguna de Bay serve as a refuse heaps for 60 % of the 8 million people living around the lake. Untreated sewage is another cause of pollution. Highly problematic is also intensive fishing and the large number of fish farms in this region. In 1993 already, the Laguna Lake Development Authority has presented a plan for a controlled economical and social development of the region with the main objective to maintain the quality of life for both - man and ecosystems.

More information about Laguna de Bay

Detailed Data

 Boats at the shore
 View on the Laguna de Bay


Partner Organisations Laguna de Bay


CLEAR - Conservation of Laguna de Bay´s Environment and Resources


Tripartite Partnership of:


Society for the Conservation of Philippine Wetlands, Inc.

Ms Amy Morado Lecciones

Unit 208 Grand Emerald Tower, F. Ortigas Ave. corner Garnet St., Ortigas Center

Pasig City, 1605


Phone / Fax: +63 2 637 2409



 Logo Society for the Conservation of Philippine Wetlands

Laguna Lake Development Authority

East Avenue Quezon City 1101, Philippines

Jaime C. Medina, General Manager                      


Engr. Jocelyn G. Sta. Ana, Division Chief 

Environmental Laboratory and Research Division 

Tel.: +63 2 837 640 44, local 140       

        +63 2 837 654 33, local 101


 Laguna Lake Development Authority

Unilever Philippines

Liza Vengco, Chito Macapagal

1351 United Nations Avenue

1007, Paco, Manila, Philippines

Phone: +63 2 588 7400

Fax: +63 2 588 7711