The dam, which was inaugurated in 1749, was built to create a reservoir to provide the city with a constant supply of water. Every year on the first Monday in July, the dam's floodgates are opened as part of a yearly festival (in Spanish: Apertura de la Presa).
Constructed in 1749, the dam was built to generate a reservoir for constant water availability in the city. Annually on the first Monday of July, the dam's floodgates are opened during a yearly festival (in Spanish: Opening of the Dam).