Barren slopes and dead trees normally submerged below the tree line, which marks the reservoir's normal capacity, become visible as water levels dropped to 151.45 masl at the Angat Dam in this photo taken on July 23, 2026. Gigie Cruz, ABS-CBN News
MANILA — The water level in Angat Dam rose by 3.48 meters, thanks to the rains brought by the low pressure area (LPA) that crossed southern Luzon on Wednesday.
The LPA dissipated over the West Philippine Sea at 8 a.m. Thursday, according to PAGASA.
As of 8 a.m., Angat’s water level stood at 154.33 meters, up from 150.85 meters on Wednesday morning.
Although this is the reservoir’s biggest gain since July 8, its water level remains below its critical low level of 160 meters.
Angat Dam supplies about 90 percent of Metro Manila’s water needs.
Light to moderate rainfall was recorded at the following rain gauges within the Angat watershed over a 24-hour period from 8 a.m. Wednesday, July 29, to 8 a.m. Thursday, July 30.
- 89.0 millimeters Matulid station
- 72.0 mm Talaguio station
- 66.5 mm Maputi station
- 54.0 mm Angat station
The following PAGASA weather stations surrounding the watershed also recorded comparable rainfall.
- 81.4 mm Baler, Aurora
- 63.2 mm Infanta, Quezon
- 48.1 mm Tanay, Rizal
- 42.8 mm San Ildefonso, Bulacan
Meanwhile, other major dams in Luzon only had smaller increases in their water levels.
- 0.40 meters Ipo Dam
- 0.22 meters Pantabangan Dam
- 0.08 meters Ambuklao Dam
- 0.08 meters Magat Dam
The country remains on a monsoon break due to the absence of the southwest monsoon or Habagat.
However, afternoon and evening thunderstorms bring heavy rains in many areas, especially in northern and Central Luzon, Panay, Negros, Samar, and most of Mindanao.
PAGASA also continues to monitor a low pressure area outside the Philippine area of responsibility, located more than 1,500 kilometers east of Visayas.
This LPA is unlikely to develop into a tropical cyclone and may remain outside the PAR without any direct effect on the country’s weather.
Farther east, super typhoon Dolphin was located about 4,600 kilometers east of Central Luzon. It is unlikely to enter the PAR but could approach its northeastern boundary by the middle of next week before making landfall over eastern China next weekend.
For more weather updates, visit the ABS-CBN Calamity Hub.