| La Mesa Dam | |
|---|---|
 La Mesa Reservoir | |
  Location in Metro Manila .svg) Location in Luzon .svg) Location in the Philippines | |
| Location | Greater Lagro, Quezon City, Philippines |
| Coordinates | 14°42′59″N 121°04′21″E / 14.716373°N 121.072404°E |
| Purpose | Water supply |
| Status | Operational |
| Opening date | 1929 |
| Built by | Manila Water District |
| Operator(s) | Metropolitan Waterworks and Sewerage System |
| Dam and spillways | |
| Type of dam | Earth fill dam |
| Impounds | Tullahan River |
| Height | 24 meters (79 ft) |
| Elevation at crest | 82.5 meters (271 ft) |
| Reservoir | |
| Creates | La Mesa Reservoir |
| Total capacity | 50.5 million m3 (1,780 million cu ft) |
| Catchment area | 27 square kilometers (10 sq mi) |
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 (1,780 million cubic feet), occupying an area of 27 square kilometers (10 sq mi). It is part of the Angat-Ipo-La Mesa water system, which supplies most of the water in Metro Manila.