El Deposito

The El Deposito (lit: The Deposit) is an old underground water reservoir in the city of San Juan in Metro Manila, Philippines. It was built by the Spanish authorities in 1880[1] with a capacity of 15 million gallons to provide the residents of Manila and its surrounding areas with an adequate water supply.[2] The reservoir was historically known as the site where the onset of the Philippine Revolution through the Battle of San Juan del Monte took place in 1896.[1]

El Deposito Underground Water Reservoir
For the museum, see Museo El Deposito.
El Deposito
A government building at the filter-beds of El Deposito
General information
LocationPinaglabanan Shrine, San Juan, Metro Manila
CountryPhilippines
Completed1882
ClosedUnknown

History

The El Deposito was built as part of the Carriedo Waterworks which was built from 1878 to 1882 under the supervision of Genaro Palacios, a Spanish engineer and architect who also decided to use the Marikina River as the El Deposito's water source.[3]

The underground reservoir held military strategic importance. During the Philippine Revolution, the Katipunan attempted to seize the El Deposito from Spanish colonial authorities in the Battle of San Juan del Monte in 1896[4] and was held by Filipinos during the Philippine-American war. It was used as an armory; by the Americans during the colonial administration, and by the Imperial Japanese forces during their occupation of the Philippines in World War II. It was also used as a pulmonary hospital specifically for tuberculosis patients and as a firing range.[3] El Deposito was recaptured by the Allied forces in 1945 but later fell to disuse after the war and the Philippine independence from the United States.[5]

Efforts to rehabilitate the underground reservoir began in 2016 when the University of the Philippines Archaeological Studies program conducted an assessment and excavation of the structure.[5] The National Historical Commission of the Philippines conducted cleaning of the El Deposito's tunnel in 2018 as a preparation for the development of the site as a tourist destination.[3] The rehabilitated reservoir opened to the public on November 30, 2021.[6]

Water supply

When the El Deposito was still in use as a water supply storage, it had a capacity of 56,000 cubic meters (2,000,000 cu ft)[3] for 300,000 people.[7] Ventilation shaft were also utilized to keep water fresh and free from contamination. As part of the Carriedo waterworks system, the reservoir also supplied water to hydrants and fountains in Manila.[8]

As part of the Carriedo water system, the El Deposito sources its water from the Marikina River. Water was pumped out from the river to the water reservoir through a 5 kilometers (3.1 mi) cast iron pipes which passes through the Santolan area. The structure of the water reservoir which situated below an elevated hill consists of a vast central canal that is connected to 25 smaller canals which measure 5 meters (16 ft) high and 3 meters (9.8 ft) wide each.[5]

Cultural Property

On August 30, 1972, a marker was installed by the National Historical Commission of the Philippines in recognition of the old reservoir as a cultural property.[9] In commemoration of the first battle of the Philippine Revolution, the land along El Deposito was converted into a recreational park named the Pinaglabanan Memorial Shrine and Park.[1]

References
  1. "National Historical Commission of the Philippines official website". Pinaglabanan Memorial Shrine.
  2. Ingles, Raul Rafael (2008). 1908: The Way it Really was : Historical Journal for the UP Centennial, 1908-2008 (Illustrated ed.). UP Press. p. 297. ISBN 9789715425803.
  3. Villafuerte, Din (2 March 2019). "Water runs deep at Museo El Deposito". Philippine Daily Inquirer. Retrieved 11 September 2019.
  4. Reysio-Cruz, Matthew; Santa Cruz, Maxine (8 July 2019). "Pinaglabanan Memorial Shrine gets P50-M makeover". Philippine Daily Inquirer. Retrieved 11 September 2019.
  5. Reysio-Cruz, Matthew (9 September 2019). "El Deposito to be opened to public in 2020". Philippine Daily Inquirer. Retrieved 11 September 2019.
  6. Abuan, Alehia Therese (30 November 2021). "'Oldest' El Deposito Reservoir open to public". Philippine Information Agency. Retrieved 13 September 2023.
  7. Quadra-Balibay, Aurora. "Historical 19th century Manila underground reservoir "El Deposito" to reopen in 2020". Retrieved 17 September 2019.
  8. De Leon, Susan. "Metro Manila water system and the story of Museo El Deposito". Philippine Information Agency. Retrieved 11 September 2019.
  9. National Historical Institute (Philippines) (1993). Historical Markers: Metropolitan Manila. National Historical Institute (Philippines). p. 278. ISBN 9715380468.

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