Three dams have opened gates on Tuesday due to continuous increase in their water levels.
According to the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA), Ambuklao and Binga dams in Benguet and Magat Dam in Isabela have been releasing excess water on Tuesday.
Ambuklao Dam has one gate opened at 0.50 meters high, while Binga Dam has two gates opened at 0.80 meters each. Both dams opened gates on Tuesday.
As of 6 a.m., the water level of Ambuklao Dam was at 751.85 meters, which is very near its 752.0-meter normal high water level.
Binga Dam's water level of 574.82 meters is also close to its 575.0-meter normal high water level.
Magat Dam, meanwhile, continues to release water with one gate opened at 2 meters high.
Its water level was 189.58 meters, or about 3.42 meters below its 193.0-meter normal high water level.
PAGASA has issued flood bulletin No. 6 on Tuesday as the lower Cagayan River remains "above alert level" at 7.82 meters. This was particularly monitored at the Buntun Station in Tuguegarao City.
Flooding is still threatening in the low-lying areas of Peñablanca, Tuguegarao City, Enrile, Solana, Iguig, Amulung, Alcala, Baggao, Lasam, Gattaran, Lallo, Camalaniugan, and Aparri.
Other dams in Luzon have also recorded higher water levels on Tuesday.
Angat Dam's water level was at 213.90 meters (212.0-meter normal high water level); Ipo Dam with 100.07 meters (101.0-meter normal high water level); La Mesa Dam with 79.35 meters (80.15-meter normal high water level); San Roque Dam with 274.98 meters (280.0-meter normal high water level); Pantabangan Dam with 204.68 meters (221.0-meter normal high water level); and Caliraya Dam with 287.19 meters.