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Muntinlupa City Mayor Jaime Fresnedi / Muntinlupa PIO

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Mayor Jaime Fresnedi (left) monitors weather updates and discusses response strategies, evacuation system, coordination protocol, and provision of food items for evacuation centers with the city disaster council members. Fresnedi on Tuesday ordered ...

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manila water hits 99 percent coverage

Manila Water service coverage hits 99 percent

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Manila Water Company said its water service coverage in the east zone has reached 99 percent after activating deep wells and tapping Laguna de Bay as another source of potable water.

"Since July 17, 99 percent of Manila Water’s customers are enjoying 24x7 water availability at the ground floor," said Manila Water president and CEO Ferdinand dela Cruz.

Angat Dam in Bulacan province supplies 4,000 million liters per day or 96 percent of the requirements in Metro Manila, Rizal and Cavite. 

Under the 1997 concession agreement, Manila Water receives an allocation of 1,600 MLD or 40 percent of the total while Maynilad Water gets 2,400 MLD or 60 percent.

The Philippine Atmospheric, Geophysical and Astronomical Services Administration show that the water level at Angat Dam, which supplies 96 percent of water requirements in Metro Manila and surrounding provinces, exceeded 167 meters in the morning of August 3, above the 160-meter critical level but still significantly below the “normal high” water level of 210 meters.

As water supply ran thin because of El Nino, Manila Water experienced an average supply deficit of 150 MLD as total demand of its 6 million customers reached 1,750 MLD, exceeding its allocation of only 1,600 MLD.

Manila Water invested in new water sources and opened the Cardona Water Treatment Plant on March 14, 2019.  The facility draws water from the central portion of Laguna de Bay and now delivers more than 60 MLD of water to Rizal towns.  The treatment plant will operate at its full capacity of 100 MLD later this month.  It is supported by 45 kilometers of transmission lines and 61 kilometers of distribution lines. At full capacity, it can deliver potable water to about 800,000 people in the east zone.

Unlike other treatment facilities that draw water from Angat Dam, the Cardona WTP employs a more rigorous and complex treatment process and equipment to treat the diverse quality of water from Laguna Lake. The process includes treatment for suspended solids, organic matter, algae and dissolved solids.

“Our Cardona Water Treatment Plant can now produce up to 63 MLD and will reach 100 MLD capacity this August,” said dela Cruz.

Manila Water also operates more than 100 deep wells to augment its supply.  “Our deep well capacity is now at around 60 MLD,” said dela Cruz.  

He said the reduction in system losses or non-revenue water to 7.5 percent in July from 12 percent in March translated into another 70 to 74 MLD of recovered supply.  The NRW level before the privatization of water distribution was 63 percent.

“We have also installed 65 line boosters in our distribution network to reach our customers located at high elevation or at the end of our network,” said dela Cruz.

“Privatization has significantly improved the services over the past 22 years. From 3 million customers, we now serve 6.8 million people. System losses have been reduced from 63 percent to 7.5 percent. Waterborne diseases have been reduced significantly,” he said.

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