La Mesa Dam and Reservoir

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La Mesa Dam and Reservoir
La Mesa Dam - panoramio.jpg
La Mesa Reservoir
LocationGreater Lagro, Quezon City, Philippines
Coordinates14°42′59″N 121°04′21″E / 14.716373°N 121.072404°E / 14.716373; 121.072404Coordinates: 14°42′59″N 121°04′21″E / 14.716373°N 121.072404°E / 14.716373; 121.072404
Opening dateDecember 1989
Construction cost15.2 million pesos (expansion)
Operator(s)Metropolitan Waterworks and Sewerage System
Dam and spillways
ImpoundsTullahan River
Total capacity50.5 million m3

The La Mesa Dam and Reservoir is an earth dam whose reservoir can hold up to 50.5 million cubic meters and occupying an area of 27 square kilometers in Quezon City, Philippines. It was built in 1929 under the supervision of the construction firm Pedro Siochi and Company.[1] It is part of the Angat-Ipo-La Mesa water system, which supplies most of the water supply of Metro Manila.

Water treatment[edit]

Metro Manila and its surrounding areas are divided into two water concessionaires: Maynilad Water (red) and Manila Water (blue).

The water collected in the reservoir is treated at the Balara Treatment Plant by the Manila Water, the private concessionaire of the Metropolitan Waterworks and Sewerage System, the government agency in charge of water supply, in Metro Manila's East Zone. 1.5 million liters of water pass through this reservoir every day. It is located in the La Mesa Watershed Reservation, the last forest of its size in the metropolis.

See also[edit]


  1. ^ "ABS - CBN Foundation | Bantay Kalikasan | Save La Mesa Watershed". 1999-06-21. Retrieved 2012-05-20.

External links[edit]