SPILLWAY OPS. The National Power Corporation on Thursday, Oct. 24, 2024, said the spillway gates of Ambuklao, Binga and San Roque dams have been opened because of the expected inflow due to Severe Tropical Storm Kristine (Trami). The three reservoirs’ elevation had to be lowered due to continuous rains brought by the cyclone. (File screenshot of major dams)
MANILA, Philippines – Spillway gates of Ambuklao, Binga and San Roque dams have been opened as Severe Tropical Storm Kristine (international name: Trami) continues to dump rains across many areas.
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Based on the National Power Corporation’s (Napocor) data on Thursday, Ambuklao Dam’s gate no. 4 was opened at 0.5 m., with a spilling discharge of 59.13 cubic meters per second (cms).
Binga Dam’s gates no. 3 and 4 were both opened at 0.5 m., with discharge of 139.05 cms.
San Roque Dam’s gate 2A was also opened at 0.5 m., with discharge of 52.40 cms.
Earlier, the NPC said the San Roque reservoir elevation needs to be lowered in anticipation of heavy inflow due to Kristine.
As of Thursday, these dams’ water level and normal level are as follows: San Roque 275.73 m. (280 m.); Ambuklao 749.19 m. (752 m.), and Binga 570.97 m. (575 m.)
Other dams managed by the NPC are Angat 198.41 m. (210 m.) and Caliraya 286.80 m. (288 m.)