North Luzon
Angat Watershed | Norzagaray-San Jose del Monte, Bulacan |
Magat Watershed | Ifugao, Isabela and Nueva Viscaya |
Pantabangan-Carranglan Watershed | Nueva Ecija, Nueva Viscaya and Aurora |
San Roque Watershed | Pangasinan and Benguet |
Upper Agno River Watershed | Benguet, Ifugao, Mountain Province and Nueva Viscaya |
South Luzon
Buhi-Barit Watershed | Albay and Camarines Sur |
Caliraya-Lumot Watershed | Cavinte, Kalayaan, Lumban and Paete, Laguna |
Makiling-Banahaw Watershed | Laguna, Batangas and Quezon |
Tiwi Watershed | Albay and Camarines Sur |
Mindanao
Lake Lanao Agus River Watershed | Lanao del Norte and Lanao del Sur |
Pulangi Watershed | Bukidnon |