An employee monitors the water level gauges at the La Mesa Dam on Sunday, Aug. 9, 2026, as the reservoir reaches 79.73 meters— passing its 79.50-meter critical threshold and approaching its 80.15-meter spilling level. With no floodgates to open, any overflow directly enters the Tullahan River system, putting low-lying communities across Quezon City, Caloocan, Valenzuela, Malabon, and Navotas on high alert for potential flooding. — Photo by Grig C. Montegrande/INQUIRER
MANILA, Philippines — The water level of La Mesa Dam in Quezon City is expected to “decrease gradually” as it remains at a critical level but below the overflow status, the state weather bureau said on Saturday.
In its 6 a.m. update, the Philippine Atmospheric, Geophysical, and Astronomical Services Administration (Pagasa) said that the dam’s water level was at 79.67 meters (m) as of 6 a.m. on Saturday. It noted that it was still on the critical level as it breached the 79.50 m threshold.
READ: La Mesa Dam’s water level decreases, still at a critical level
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