Regional Roof Water Harvesting
Warrnambool, Victoria
Funding: $1.1 million from the Water Smart Australia program.
About the project
The project aims to demonstrate the benefits of collecting rain water run-off from roofs in a new subdivision and using it to top up the potable water supply. The project involves:
- construction of 2.5km of dedicated roof-water collection pipe network in a new subdivision in the Warrnambool area
- construction of 2km of dedicated trunk water main for transfer of collected roof water from the new subdivision to an existing raw water storage and treatment facilities in Warrnambool, and
- supply of the water through the town's water reticulation system.
Project benefits
The project will help advance the National Water Initiative objective of encouraging innovation and water use efficiency in urban areas, particularly coastal growth areas, by demonstrating the potential of capturing rainwater roof run-off and collecting it centrally to use in the potable water supply system.
The project will also lead to 300 megalitres per year of less extraction from the Gellibrand River with the water savings to be added to regulated environmental flow.
Progress to Date
Completion of functional and detailed design for the collector pipe network and trunk pipeline and associated works.
More information
Wannon Water - Roof Water Harvesting
Water Smart Australia projects are funded by the Australian Government's framework, Water for the Future.
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