page_title: La Mesa Dam and Reservoir
section_title: Water supply
hierarchical_section_title: La Mesa Dam and Reservoir / Water supply
caption_attribution_description: Zones allocated to Maynilad Water (red) and Manila Water (blue). Areas in gray aren't included by the two concessionaires. Source: INQ7.net Map made by Howard the Duck
context_page_description: The La Mesa Dam and Reservoir is an earth dam in Quezon City, Philippines. Its reservoir can hold up to 50.5 million cubic meters, occupying an area of 27 square kilometers. It is part of the Angat-Ipo-La Mesa water system, which supplies most of the water supply of Metro Manila.
context_section_description: The La Mesa Dam is part of the Angat-Ipo-La Mesa water system which supplies water to the population of Metro Manila and surrounding provinces.
  The water collected in the reservoir is treated at the La Mesa and Balara Treatment Plants. The La Mesa facility has a design capacity of 2,400 million litters per day (mld) while the Balara facility has a capacity of 1,600 mld. The La Mesa treatment facility serves the western half of Metro Manila while the Balara facility serves the eastern portion of the metropolis.
  Whenever the water level of the dam drops below 69 meters (226 ft) or the critical mark, the MWSS, Maynilad, and Manila Water begin to regulate the water supply they dispense to their patrons.
caption: Metro Manila and its surrounding areas are divided into two water concessionaires: Maynilad Water (red) and Manila Water (blue).
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