Dams across Luzon increase water levels due to Habagat

Several dams across Luzon reported an increase in water levels on Monday morning due to heavy rainfall from the Southwest Monsoon or Habagat.

The San Roque Dam in Pangasinan saw a significant 24-hour rise of 2.38 meters, reaching 244.40 meters but still 35.60 meters below its normal high water level (NHWL) of 280.00 meters.

Angat Dam, the primary water source for Metro Manila, registered a 1.61-meter rise to reach 195.71 meters, which is 14.29 meters short of its NHWL.

IPO Dam upstream from Angat opened one gate at 0.2 meters as its reservoir water level (RWL) reached 100.17 meters, slightly lower than its normal level of 101.10 meters on Wednesday morning and is scheduled to release more water ahead of Tropical Depression Dante.

Ambuklao Dam's level decreased by 0.50 meters but remained above its rule curve; it now has three gates opened at 1.5 meters releasing water as the current water level eased to 750.70 meters from 751 meters on Tuesday.

Binga Dam recorded a small decrease of 0.22 meters and had two gates open at one meter, easing its water level down to 574 meters on Wednesday morning.

Magat Dam in Isabela will preemptively release water starting Thursday morning as Tropical Depression Dante approaches, with gate 4 scheduled to be opened for approximately 165 cubic meters per second of water release.