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Water security by design

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Donna Caddie

on 4 August 2011

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Transcript of Water security by design

Water Security by Design Donna Caddie, Fluent Environmental Global challenge: "We need to provide a third choice between being poor and frugal and being rich and wasteful.
And we need to do it very, very quickly.“ Alex Steffen, Founder, Worldchanging Today we'll cover:
A paradigm shift informed by nature
Integrated Water Resources Management
Green infrastructure
Water balance
Demand management and water efficiency
How to design communities for
Water security
Amenity
GHG reductions
Revenue generation
Recommendations Green infrastructure is part of the answer! Yes, but how? Context and strategy for changes
Covers regulatory, behaviour, watershed recovery and water-centric community design.
Progressive and comprehensive plan in Canada A paradigm shift Control nature Work with nature Water diversion – off land as fast as possible
Waterways as conduits for wastes
Single purpose, publicly funded infrastructure
Pipes, pumps and tunnels Water balance retained, floods and droughts mitigated
Waterways as assets, multiple benefits
Integrated infrastructure that collects wastes for reuse, generates revenues
Raingardens, ponds, swales and green rooves, streams and wetlands Benefits? water security,
amenity,
GHG reductions
and revenue? Did i mention it can help implement the NPS for freshwater? Water balance a foundational principle:
Keep water on the land
Slow down movement
Don't pollute rainwater, capture and use it first Decentralised rain / storm water management assets that promote water balance and waterway health
Green rooves, trees, rain gardens, permeable pavement, swales, ponds, wetlands and streams
Think beyond pipes and pumps and realise multiple benefits
Implement at different scales from home to community. What is green infrastructure? Fundamental system change Not an either / or rich / poor situation Integrated water resources management and green infrastructure
Water efficiency and less demands
Water centric planning and urban stream restoration Avoid or minimise discharges Water efficiency Enhance natural values of streams and wetlands Adapt to climate change impacts Coordinate water management with urban growth, land use development, and infrastructure Integrated Water Resources Management Principles •Design with nature / ecological principles
•Maintain or enhance natural water balance and systems
•Evaluate revenue first, costs second
•Wastes to resources
•Reduction of demands ‘a process which promotes the coordinated development and management of water, land and related resources in order to maximise the resultant economic and social welfare in an equitable manner without compromising the sustainability of vital eco-systems’.
Global Water Partnership Resource recovery Wastes to energy
Wastewater reclamation
Rainwater and non potable water use Water efficiency and demand management Easiest and cheapest source of water
Not just behaviour, but design
Understand your water gap Efficient 5 Milk Poos Create a water efficiency target.
Adjust policy, plans and spending to achieve it Value waterways in our towns
Create the space for nature in our communities. Recommendations Make a new normal How can rules for subdivisions and developments help? Lead in your own operations Reward innovation and integration Inter-sector collaboration Water balance




and water gap Create incentives for smart developments Demand management and water efficiency Leverage social networks Large user focus Sector planning Ambitious efficiency targets Guidance and tools Questions? Green infrastructure and resource recovery designs fast tracked Profile and reward leadership Opportunities for revenue generation Higher density, more green space Better water quality and community resilience donna@fluentenvironmental.com
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