Sheridan Blunt, City of Melbourne Sustainable Cities Roundtable 12 September 2007 City as a Catchment

Time to take a step back: City as a Catchment three waterways and a bay parklands CBD roads impermeable surfaces ‘bottom of the catchment’. Climate Neutral Water Saving Schemes

sustainable and integrated urban water management; catchment planning (sources and sinks); climate change responsiveness; resilience of water supply (diversity of sources & infrastructure, community support); flooding; growing value of water; urban vs rural use; and incorporated water management tools. What does ‘city as a catchment’ mean for City of Melbourne? Climate Neutral Water Saving Schemes

City Ecosystem Now: x kilolitres/x/x Target: Desalination air quality landscape Groundwater biodiversity materials EconomyCommunity Mains Water WSUD Now: x kilolitres/x/x Target: WSUD Now: x kilolitres/x/x Target: WSUD Now: x kilolitres/x/x Target: WSUD Now: x kilolitres/x/x Target: Buildings Water In:Water Out:Water Quality: roofwater up x%employees down 40%80:45:45 water recycling up x%residents down 40%TSS:TP:TN groundwater up x%sewerage down 20% Public Open Space and Streetscapes Water In:Water Out:Water Quality: stormwater up x%Council down 40%80:45:45 water recycling up x% Sewerage down 20%TSS:TP:TN groundwater up x% Waterways Port Phillip Bay Yarra River, Maribyrnong River, Moonee Ponds Creek Now: x kilolitres/x/x Target: Underground Drains WSUD Now: x kilolitres/x/x Target: WSUD Roads Water In:Water Quality: Stormwater up x% 80:45:45 TSS:TP:TN Water Out: None, except in construction Now: x kilolitres/x/x Target: 0%