Sustainable Stormwater Management for Modern Developments
Water Sensitive Urban Design (WSUD) is an environmentally responsible approach to managing rainwater and stormwater within residential and urban developments. It integrates water management into the design of buildings, landscaping, and outdoor areas to help create more sustainable communities.
As development increases the amount of hard surfaces such as roofs, driveways, and paving, more rainwater flows into stormwater drainage systems rather than naturally soaking into the ground. This runoff can carry sediment, litter, and other pollutants into local waterways. WSUD helps manage these impacts by capturing, slowing, filtering, treating, and, where appropriate, reusing stormwater before it enters the wider drainage network.
COMMON SOLUTIONS
Common WSUD Solutions
Depending on the property and development requirements, WSUD may include:
Rainwater tanks
to collect roof water for suitable reuse.
Rain gardens
that use vegetation and filter media to treat stormwater.
Permeable paving
that allows water to pass through the surface.
Vegetated swales
that slow and filter stormwater runoff.
Infiltration systems
that allow treated water to soak into the ground where site conditions permit.
Constructed wetlands
that provide stormwater treatment for larger developments and catchments.
Benefits of WSUD
Well-designed WSUD systems can help improve stormwater quality, reduce pollutants entering local waterways, manage stormwater runoff and reduce pressure on conventional drainage infrastructure. They can also contribute to greener landscapes, improved water efficiency and more sustainable urban environments.
WSUD for Your Development
WSUD requirements can vary depending on the location, site conditions, development type and requirements of the relevant council or water authority.
Considering WSUD early in the planning and design process helps ensure that suitable stormwater solutions are properly integrated into the development. This includes considering the design, construction and ongoing maintenance of WSUD assets to support their long-term performance.
Understanding your WSUD requirements early can help create an effective stormwater management solution that supports both your development and the surrounding environment.