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Metro Manila's water supply: Angat Dam dips to critical level

Christian Fernsby |
The Angat Dam in Bulacan, which supplies around 96% of Metro Manila's water needs, dipped to its critical level on Sunday.

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The Philippine Atmospheric, Geophysical, and Astronomical Services Administration (PAGASA) said the Angat Dam's water level dropped to 179.97 meters on Sunday.

The minimum operating water level of the Angat Dam is 180 meters.

The National Water Resources Board (NWRB), in a statement last Friday, April 26, said that it expects the dam's level to dip further, likely reduced to 173.13 meters by the end of May.

Under the Angat Operation Rule, this is the order of priority for water releases during critical lows:

municipal use
irrigation use
river maintenance

The NWRB said on Friday that it will maintain the allocation for the Metropolitan Waterworks and Sewerage System (MWSS) at 48 cubic meters per second (CMS), while water release for irrigation will be reduced from 35 CMS to 10 CMS in May.

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