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MWSS: Water interruption in NCR, Cavite amid Laguna Lake's decreasing water quality

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Job Manahan, ABS-CBN News 

<div class="embed-wrap"><figure data-feedback="fb:likes,fb:comments"><img alt="A man secures bamboo poles with rope amid heavy rain at a fish pen in the Laguna de Bay in Muntinlupa City as severe tropical storm Jolina batters the area on September 08, 2021. Jonathan Cellona, ABS-CBN News" src="https://sa.kapamilya.com/absnews/abscbnnews/media/2023/news/05/20/20210908-2-typhoon-jolina-luzon-jc-052321180.jpg"/><figcaption>A man secures bamboo poles with rope amid heavy rain at a fish pen in the Laguna de Bay in Muntinlupa City as severe tropical storm Jolina batters the area on September 08, 2021. <em>Jonathan Cellona, ABS-CBN News</em></figcaption></figure></div><p>MANILA — The Metropolitan Waterworks and Sewerage System (MWSS) on Saturday warned about possible water interruption in various parts of Metro Manila and Cavite due to the decreasing water quality of the Laguna Lake. </p><p>Aside from the threat of the blue-green algae, pollution from the informal settlers, and the lake&#x27;s high turbidity could block water filtration systems, said Engineer Patrick Dizon, a division manager at the MWSS&#x27; site operations management. </p><ul class="op-related-articles">	<li><a href="https://news.abs-cbn.com/news/05/16/23/water-pause-in-ncr-possible-amid-laguna-lake-pollutants-blue-green-algae">Authorities: Laguna Lake must be protected amid threat of pollutants, algae</a></li></ul><p>This can lead to further water interruption in Cavite, Muntinlupa, and Parañaque due to maintenance operations of filtration facilities, he said, noting that this is ongoing in some areas.</p><p>&quot;Ang problema natin ngayon... ay talagang hindi maganda &#x27;yung water quality kasi doon ang tapon ng mostly mga kabahayan sa lakeshore at ang effect nito ang turbidity o lumalabo na tubig,&quot; said Dizon. </p><p>The water treatment they have in the Laguna Lake, he said, uses membrane filtration and osmosis, a reason why it was easy for algae to clog these. </p><ul class="op-related-articles">	<li><a href="https://news.abs-cbn.com/news/05/10/23/laguna-lake-algae-overgrowth-possible-during-el-nino-llda">Laguna Lake algae overgrowth possible during El Niño, warns DENR agency</a></li></ul><p>&quot;Ang effect din noon ay eutrophication, sa madaling salita, ito yung mga lumot na nabubuhay sa tubig. Ito ay nagka-climb sa water treatment natin,&quot; he added. </p><p>&quot;&#x27;Yung water quality kasi talaga... nandoon kasi yung tapon ng waste water from the west part ng Metro Manila... Nag-aaccumulate &#x27;yung maduming tubig sa Muntinlupa eh nandoon ang water treatment [facilities]&quot;</p><p>The engineer added that their counterparts in Singapore will arrive in Manila next week to look into the clogging, and to help them improve their technology and operations. </p><p>MWSS concessionaires also plan to finish the construction of 2 more water treatment facilities in the Laguna Lake&#x27;s area in Rizal, he said.</p><p>This comes after the Laguna Lake Development Authority warned about the proliferation of blue-green algae, locally known as liya, which can complicate water filtration systems and cause fish kill in the water basin that supplies 80 percent of the milkfish and tilapia requirements of Metro Manila. </p><p>The MWSS source 9 percent of its water being distributed in Metro Manila from the Laguna Lake. </p><div><br/><strong>RELATED VIDEO</strong></div><figure class="op-interactive"><iframe allow="autoplay; fullscreen" frameBorder="0" height="100%" id="ivsplayer01" scrolling="no" src="https://player.ivideosmart.com/ivsplayer/v4/dist/html/iframe-src.html?iframeid=ivsplayer01&amp;key=e8c22c015ca9eafa76f1e3edfa03c603&amp;spid=3001339&amp;vid=2622667" width="100%"></iframe></figure><div class="iwantbar">Watch more News on <a href="https://www.iwanttfc.com/#!/browse/Genres/News/tag_id_genres/id_news" target="_blank">iWantTFC</a></div>

Aside from the threat of the blue-green algae, pollution from the informal settlers, and the lake's high turbidity could block water filtration systems.

MWSS: Water interruption in NCR, Cavite amid Laguna Lake's decreasing water quality

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MWSS: Water interruption in NCR, Cavite amid Laguna Lake's decreasing water quality

Job Manahan,

ABS-CBN News

Published May 20, 2023 03:09 PM PHT

Read More:

Patrick Dizon

MWSS

water interruption

Maynilad

blue green algae

Laguna Lake

Metropolitan Waterworks and Sewerage System

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