reusing our urban water resources: from house to city scale dr grace mitchell institute for...
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Reusing our urban water resources: from house
to city scale
Dr Grace MitchellInstitute for Sustainable Water Resources
Monash University Precipitation
Evapotranspiration
Imported water supply
Stormwater runoff
Wastewater
Groundwater recharge ~0
Melbourne
Lot scale – i.e. your houseInfiltration of roof runoff
Rainwater tank
Rainwater tank
Greywater reuse
Water efficiency
Neighbourhoods and suburbsGreywater reuse
Grass swales
Stormwater harvesting
Wastewater reuse
Cities and regions
Water supply dam
Large water & wastewater
treatment plants
EducationRebates
Trunk water mains
Implication of scale of solutions..
Important to recognise relationship between technologies and scale
Why? Because the scale has many implications, such as: who installs and/or owns and/or operates the technology required regulations and approvals who pays for it and how it is paid for…