Jalaur River passing through San Enrique, Iloilo, 2019
|Source||Central Panay Mountain Range|
|⁃ location||Mount Baloy, Lambunao, Iloilo|
|⁃ elevation||1,920 m (6,300 ft)|
|0 m (0 ft)|
|Length||123 km (76 mi)|
|Basin size||1,503 km2 (580 sq mi)|
|⁃ location||Guimaras Strait|
|⁃ average||40.29 m3/s (1,423 cu ft/s)|
|⁃ minimum||30.42 m3/s (1,074 cu ft/s)|
|⁃ maximum||50.17 m3/s (1,772 cu ft/s)|
Jalaur River, also known as Jalaud River, is the second longest river in Panay island and the second largest by drainage basin, only Panay River in Capiz has the longest and the largest river system in Panay. Jalaur river ranked 17th largest river system in the Philippines in terms of drainage basin size. It has an estimated drainage area of 1,503 square kilometres (580 sq mi) and travels 123 kilometres (76 mi) from its source to its mouth in the Guimaras Strait. It drains the eastern portion of the island and traverses through Passi City and the towns of Leganes, Zarraga, Dumangas, Barotac Nuevo, Pototan, Dingle, San Enrique, Duenas, and Calinog.
The river has an annual average discharge of 40.29 cubic metres per second (1,423 cu ft/s).
The lower reached of Jalaur River experiences seasonal flooding. When there is heavy downpour, during the months of June–September, the river overflows and floods the surrounding area. Panay island is also located within the typhoon belt, which experiences several typhoons annually, is also a major factor of flooding of the river.
- Leganes, Iloilo
- Zarraga, Iloilo
- Dumangas, Iloilo
- Barotac Nuevo, Iloilo
- Pototan, Iloilo
- Dingle, Iloilo
- San Enrique, Iloilo
- Duenas, Iloilo
- Calinog, Iloilo
The Metro Iloilo Water District Services, the potable water provider for Iloilo City also source out some of their water requirement from the river.
- "Iloilo - General Features (Water Resources)". Archived from the original on 2008-03-31. Retrieved 2008-09-12.
- "Western Visayas Regional Development Plan 2004-2010" (PDF). National Economic Development Authority (NEDA) - Region 6. 2004. p. 13. Retrieved 2008-09-13.[permanent dead link]
- "Iloilo Province - Water Facilities". Archived from the original on 2008-04-05. Retrieved 2008-09-12.
- "River Discharge Database - Jalaur River". Center For Sustainability & Global Environment, University of Wisconsin. September 3, 2008. Archived from the original on 2010-06-19. Retrieved 2008-09-13.
- "Rains leave heavy crop damage in Capiz, Iloilo". Manila Times. January 14, 2007. Retrieved 2008-09-13.[dead link]