PIA Press Release
Thursday, January 05, 2012
NIA denies burst dam caused floodsby Ruby Leonora R. Balistoy
VALENCIA CITY, Bukidnon, Jan 5 (PIA) — The National Irrigation Administration (NIA) belied reports that the latest flashflood that hit twelve (12) villages here was caused by the ruptured dam in barangay Lumbayao, Valencia City, Bukidnon.
In a press statement, Engr. Felix M. Razo, Regional Manager, NIA-10, clarified that the Lumbayao Dam did not collapse contrary to rumors that spread through text messages, which caused panic to downstream residents.
Engr. Razo said it is impossible for the dam to burst because it has no ‘impounding’ capacity, unlike the reservoir-type dam.
“It is different from the Magat Dam in Isabela province, which impounds water up to more than 800 meters in height from the river bed, with a gatekeeper that controls release of water to main irrigation canals,” he said.
Engr. Jimmy Apostol, Manager, Bukidnon Irrigation Management Office, likewise, explained that the dam in Lumbayao, Valencia could not easily be damaged because it is a gravity run-of-the-river type with a height of only 2.80 meters from the riverbed. “It will automatically overflow once it reaches its elevation,” he said.
Meanwhile, NIA reports showed that six (6) main irrigation structures and facilities estimated at over P52 million were in total wreck after heavy rains that resulted to the overflowing of Pulangui River (Bukidnon’s biggest river).
The damage includes the grouted riprap at the bridge’s abutment, two (2) spur dikes along Pulangui River, the 60-meter irrigation canal that serves 950 hectares of rice fields in Nabag-o and San Isidro barangays, the embankment of the reuse dam in barangay Batangan, and the huge siphon that draws water off from the river for distribution to vast rice fields in several barangays here.
The NIA and Valencia City LGU are now joining hands for the construction of diversion canal and procurement of additional water pumps to cater to the needs of thousands of farmers. (NIA Bukidnon/PIA 10, Bukidnon)