Last week, the availability of water in the West Zone has declined as thousands of customers under the influence area of Bagbag reservoir had to observe rotational service interruptions. The high-demand as a result of scalding summer heat, depleted Bagbag’s reserves that it had to cut service in some areas during off-peak hours.

To stabilize supply in the East and West concession areas, the MWSS temporarily increased the raw water allocation of Maynilad at the Novaliches Portal by 30 MLD on top of its 2,400 MLD or 60% share from Angat reservoir releases.  Meanwhile, Manila Water will augment its 40% share from Angat by drawing from the La Mesa Reservoir. The temporary raw water sharing will trigger higher levels of water availability in the West concession area with the continuous build-up of water pressure in the pipelines and reduced refill time of the Bagbag reservoir.  The two concessionaires share 60:40 allocation in favor of Maynilad from the 46 CMS raw water released from the Angat Dam, while the remaining 2 CMS is allocated to the Bulacan provinces.  The Common Purpose Facilities controls the by-pass that regulates this sharing.

MWSS Chairman Reynaldo Velasco said, “the impact of COVID-19 pandemic, should even more prompt us to take every steps to ensure adequate water supply this summer.”  Chairman Velasco instructed Maynilad to maximize the use of Putatan Water Treatment Plant 2, accelerate the completion of its NRW reduction projects, and ensure the completion of alternative sources of supply in Cavite, particularly the treatment of raw water from NIA dams in Imus, Julian and Anabu using mobile water treatment plants.