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Table 5. Priority Critical Watershed Supporting National Irrigation System: CY 2024
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ProvinceName of WatershedPrevious Name of WatershedArea
(in hectares)
Classification (small, medium, large)Municipalities
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Aklan, AntiqueIbajay-Panakuyan River WatershedIbajay River Watershed21,296.94MediumIbajay, Madalag, Makatao, Malinao, Tangalan, Pandan, Sebaste
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Aklan, Antique, Capiz, Iloilo
Aklan River WatershedAklan River Watershed89,164.00LargeBalete, Banga, Kalibo, Lezo, Libacao, Madalag, Makato, Malinao, New Washington, Numancia, Sebaste, Culasi, Tibiao, Calinog, Tapaz, Jamindan
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Antique, IloiloTipulu-an Mau-it River WatershedTipulu-an Mau-it River Watershed62,822.34LargeHamtic, Patnongon, San Jose, Sibalom, Valderrama, San Remegio, Alimodian, Janiuay, Igbaras, Lambunao, Leon, Maasin, San Joaquin, Miagao, Tubungan
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Aklan, Capiz, Iloilo
Hamulauon River WatershedMambusao River Watershed204,599.53LargeTapaz, Jamindan, Dumarao, Dumalag, Sigma, Sapian, Mambusao, Dao, Ivisan, Roxas City, Cuartero, Maayon,Panitan, Pontevedra, President Roxas, Pan-ay, Balete, Libacao, Altavas, Batad, San Dionisio, Igbaras, Sara, Ajuy, Lemery, Btac. Viejo, San Rafael, Passi City, Calinog, Bingawan
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Antique, Capiz, IloiloJalaur River WatershedJalaur River Watershed168,922.82LargeCalinog, Lambunao, Bingawan, Anilao, New Lucena, Badiangan, Janiuay, Mina, Dingle, Btac. Nuevo, Dumangas, Zarraga, Pototan, Duenas, San Enrique, Leganes, Sta. Barbara, Cabatuan, Banate, Btac. Viejo, San Rafael, Maasin, Passi City, Lemery, Pavia, Dumarao, Dumalag, Tapaz, San Remigio, Valderrama
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Suage River Watershed
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Antique, IloiloJaro River WatershedAganan River Watershed41,236.98MediumJaniuay, Leganes, Sta.Barbara, Cabatuan, Maasin, Iloilo City, Alimodian, San Miguel, Pavia, Leon, San Remegio
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Tigum River Watershed
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IloiloBarotac Viejo River WatershedBarotac Viejo River Watershed10,779.38MediumAjuy, Anilao, Btac. Viejo, Banate, Lemery, San Enrique, San Rafael
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IloiloSibalom River WatershedSibalom-Tigbauan River Watershed19,189.43MediumAlimodian, Guimbal, Leon, Tigbauan, Tubungan
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Negros Occidental
Bago River WatershedBago River Watershed81,118.00LargeBacolod City, Bago City, Calatrava, DS Benedicto, La Carlota City, Murcia, Pulupandan, Talisay City, San Carlos City
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Negros Occidental and Oriental
Tanolo River WatershedPangiplan River Watershed110,317.16LargeBinalbagan, Hinigaran, Himamaylan City, Isabela, La Carlota City, La Castellana, Moises Padilla, Pontevedra
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Negros Occidental and Oriental
Bangul River WatershedIlog-Hilabangan River Watershed198,764.78LargeCandoni, Cauayan, Sipalay City, Himamaylan City, Kabankalan City, Ilog, Bayawan City, Bais City, Tanjay City, Manjuyod, Mabinay, Bindoy, Ayungon, Tayasan, Jimalalud
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Negros Occidental
Malogo River WatershedMalogo River Watershed16,001.49MediumCadiz City, Calatrava, DS Benedicto, EB Magalona, Murcia, Silay City, Talisay City, Victorias City
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Regional Total1214
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Source: FMB, Philippine Forestry Statistics, (2021)
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