Flood Alleviation Schemes
As a coastal region, Dublin is at risk from rising sea levels and increased heavy rainfall events. While flood alleviation using nature-based solutions is our preferred solution, there are areas where building physical flood defences is the only option.
Three schemes are currently in different stages of development.
Whitechurch Flood Alleviation Scheme:
South Dublin County Council is working with the Office of Public Works to deliver the Whitechurch Flood Alleviation Scheme. The Whitechurch Stream was identified under the Dodder Catchment Flood Risk Assessment and Management Study as being liable to flooding during a 1-in-100-year flood event. Works commenced on the Whitechurch Stream in April 2023 with a €2 million investment that will protect over 170 residential and commercial properties. The 27-month programme is on schedule with works 50% complete. The full details of the scheme can be found at www.whitechurchfas.ie.
Poddle Flood Alleviation Scheme:
A severe flood on the Poddle River in October 2011 presented a significant risk to life with an estimated €127 million in damages. The Poddle Flood Alleviation Scheme will protect over 900 residential properties and 50 commercial properties. Works commenced on the Poddle in April 2024 with a 36-month programme; the main works are happening in Tymon Park with two locations under construction. A large catchment area is under construction in Tymon Park with a 1-in-100-year rainfall event in mind. A smaller catchment area with a Integrated Constructed Wetland will be completed and reopened to the public in Q2 of 2025. Details for this scheme are available on www.poddlefas.ie.
River Camac Flood Alleviation Scheme:
The River Camac Flood Alleviation Scheme is currently progressing towards preferred option stage with further consultations to be held in Q1 2025. Details on this scheme are available at www.camacfas.ie.