(UPDATE) THE National Irrigation Administration (NIA) on Saturday said it would be releasing water from Magat Dam in Isabela on Sunday, August 7, amid continuous rains brought by the low pressure area (LPA) and the southwest monsoon.

In an advisory, the NIA added that the NIA-Magat River Integrated Irrigation System (NIA-Mariis), in coordination with the Philippine Atmospheric, Geophysical and Astronomical Services Administration (Pagasa), concerned local government units and the Disaster Risk Management offices will discharge at least 200 cubic meters per second (m3) of water from the dam starting at 2 p.m.

"Due to the LPA/southwest monsoon in the area, the water level of the Magat Dam Reservoir is rising. To maintain a safe water level in the reservoir, the NIA-Mariis will release 200 cubic meters of water. The amount of water may increase depending on the monitored rainfall at the Magat Watershed," NIA said.

NIA also advised the public to take necessary precautions to ensure their safety.

Based on the monitoring of Pagasa, as of 6 a.m. on Saturday, August 6, the water level of Magat Dam was measured at 188.39 meters or 1.161 meters below the normal high water level of 190 meters.

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Hundreds of commuters were stranded on Friday as many roads became impassable because of flooded streets brought by the heavy rains.

Pagasa said the LPA and the southwest monsoon will continue to bring rains in many parts of the country.