Wivenhoe Dam is a significant dam located in Queensland, Australia. It’s situated on the Brisbane River, about 80 kilometers (50 miles) northwest of Brisbane, the capital city of Queensland. The primary purpose of Wivenhoe Dam is flood control, water storage, and supply for the region, as well as hydroelectric power generation.
Here are some key points about Wivenhoe Dam:
Construction: The construction of Wivenhoe Dam began in 1976 and was completed in 1984. It was built in response to devastating floods that occurred in Brisbane and surrounding areas, particularly the 1974 Brisbane flood.
Flood Mitigation: One of the main functions of Wivenhoe Dam is flood mitigation. It serves to regulate the flow of water in the Brisbane River during heavy rainfall events to reduce the risk of flooding downstream in Brisbane and surrounding areas.
Water Supply: Wivenhoe Dam also plays a crucial role in providing water supply to the residents and industries of the region, including Brisbane and Ipswich. It can hold a large volume of water, ensuring a reliable supply even during droughts.
Recreation: Apart from its utilitarian purposes, Wivenhoe Dam is also a popular recreational spot for locals and tourists. It offers opportunities for activities such as boating, fishing, camping, and picnicking, attracting visitors throughout the year.
Hydroelectric Power: While flood control and water supply are the primary functions, Wivenhoe Dam also has a hydroelectric power station. The station generates electricity by harnessing the flow of water through turbines, contributing to the region’s energy needs.
Management: The dam’s operations are managed by Seqwater, which is responsible for the management of water supply and flood mitigation infrastructure in Southeast Queensland. Seqwater monitors water levels, releases, and other factors to ensure the efficient and effective management of the dam.
Capacity: The dam has a storage capacity of over 1.1 million megaliters (1.1 cubic kilometers) of water when at full supply level. This capacity can be adjusted based on seasonal variations and weather forecasts to manage flood risk and water supply needs.
Overall, Wivenhoe Dam is a vital piece of infrastructure for Queensland, serving multiple purposes including flood mitigation, water supply, hydroelectric power generation, and recreation. It stands as a testament to engineering ingenuity and plays a crucial role in the region’s water management strategy.