Reduced Pressure Principle BackflowPrevention Assembly

A stormwater harvesting system has been built in one of Melbourne's most visited parks, allowing us to keep the space green and healthy without relying on drinking water.

Reduced pressure principle backflow preventerdiagram

Stop by one of our visitor centres or look for one of our city ambassadors for advice on things to do, places to eat, or the best attractions to visit.

Reduced pressure principle backflow preventerinstallation

Rainwater harvesting is similar to stormwater harvesting, except that the water is collected from rooftops rather than from drains and roadways. Rainwater is generally less polluted than stormwater so cleaning is not always required for rainwater harvesting systems.

Stormwater harvesting systems collect and use water that would otherwise was down the drain. The way in which water is collected and stored varies greatly from project to project. This stormwater is often treated through a Gross Pollutant Trap to remove sediment and litter. In some cases a biofiltration system or wetland is used to remove other pollutants. Ultraviolet disinfection can be used to remove any pathogens from the water prior to irrigation.

Reduced Pressure principle Backflow PreventerWatts

The system provides 30 million litres of water every year helping to keep the heritage garden healthy in a changing climate.

The City of Melbourne respectfully acknowledges the Traditional Owners of the land we govern, the Wurundjeri Woi-wurrung and Bunurong / Boon Wurrung peoples of the Kulin and pays respect to their Elders past and present.

We accept the invitation in the Uluru Statement from the Heart and are committed to walking together to build a better future.

We acknowledge and honour the unbroken spiritual, cultural and political connection they have maintained to this unique place for more than 2000 generations.