As of 1 a.m. Tuesday, the water level at the dam was at 80.31 meters and the dam was spilling water at 8 centimeters per hour.
The dam's water level had reached capacity level of 80.15 meters around 9 p.m., prompting authorities to raise the Alert Level to "Red," meaning communities around and downstream of the dam must evacuate.
Meanwhile, as of 11:30 p.m., the water level at Ipo Dam was at 100.95 meters and one gate remained open, discharging the equivalent of 87.4 cms per hour.source: interaksyon.com