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Dam Management in Mexico Cajon de Peña Dam, Jalisco State

IWRA World Water Congress 2017 - Cancun Mexico
3. Water security in a changing world
Author(s): Roberto Ramírez de la Parra
Dr. Víctor Hugo Alcocer Yamanaka
Óscar Sánchez Montufar
Horacio Rubio Gutiérrez

Roberto Ramírez de la Parra
National Water Commission
Dr. Víctor Hugo Alcocer Yamanaka
National Water Commission
Óscar Sánchez Montufar
National Water Commission
Horacio Rubio Gutiérrez
National Water Commission


Keyword(s): surplus work, design flood, OHWL (Ordinary High Water Levels), EHWL (Extraordinary High Water Levels), Minimum Water Level Operation (MWLO), operating policy, risk, CTOOH (Technical Committee of Hydra
Article: Oral:

Abstract
Dams are classified based on their use under 3 types: storage (for water supply, irrigation, power generation, recreation, fish farming, etc.), diversion (to provide the hydraulic load required for their diversion into ditches, canals or other conveyance systems) and regulation (to retard stormwater runoffs, groundwater recharge, sediment control, etc.).
 
During extraordinary hydrometeorological events, it is important for the safety of dams, population and infrastructure located downstream to maintain a permanent surveillance on the climatological, meteorological, hydrological and hydraulic forecast scenarios in order to reduce the risks that could be generated by a sudden discharge or dam failure.
 
Proper monitoring enables adequate and timely decision-making on storage management through an operation policy in accordance with the evolution of the reservoir and rainfall forecast.
 
In this article, the policy implemented by the National Water Commission to monitor weather events and on storage levels management of the country's dams is described. Its implementation has reduced the risk of damage to the population and infrastructure located downstream, as well as to the dam.
 
The operation of the Cajon de Peña dam in Jalisco during Hurricane Patricia in 2015 is particularly analysed.
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