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Storm Kabayan update: Angat Dam water level rises to 79 cm

Angat-Dam-Water-ShedThe water level at Angat Dam in Barangay San Lorenzo (Hilltop), Norzagaray, Bulacan.  rose to 79 centimeters for a total of 189.91 meters over the last 24 hours due to heavy rains dumped by Tropical Storm “Kabayan.”

Engr. Richard Orendain, a hydrologist of the Department of Science and Techology-Philippine Atmospheric, Geophysical, and Astronomical Services Administration (DOST-PAGASA) said this in an interview with DZRH News.

Meanwhile, the National Water Resources Board (NWRB) has further reduced the water allocation for domestic and municipal use by two cubic meters per second effective, October 1.

NWRB Executive Director Sevillo David Jr. said the reduction to 36 cubic meters per second (cms) from last month’s 38 cms is necessary to properly manage water from the Angat reservoir.

The normal water allocation for domestic consumption is between 43 and 46 cms but as of Thursday morning, Angat Dam’s water level was 189.91 meters, way below by 20.09 meters from its 210-meter flood season high water level.

Angat Dam is a concrete water reservoir embankment hydroelectric dam that supplies the Manila metropolitan area water. It was a part of the Angat-Ipo-La Mesa water system.

The reservoir supplies about 90 percent of raw water requirements for Metro Manila through the facilities of the Metropolitan Waterworks and Sewerage System and it irrigates about 28,000 hectares of farmland in the provinces of Bulacan and Pampanga.

It also supplies potable water to Metro Manila and powers a hydro-electric power plant. The dam is 131 meters high and impounds water from the Angat River that subsequently created the Angat Lake. (Joel C. Atencio)

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