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Rainwater Management

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FLASHBACK TO 2003: “Chilliwack’s Design Criteria Manual for Surface Water Management was a feedback loop for the province’s Stormwater Guidebook,” said Dipak Basu, Land Development Engineer


The City of Chillwack’s Manual was developed through an inter-departmental and inter-agency process that also included community participation. “Through this process, the group developed a common understanding regarding core concepts. This resulted in consensus on the vision and the direction of the Manual, particularly with respect to the framework that the Manual provides for future rainwater-related action in the City of Chilliwack,” stated Dipak Basu.

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FLASHBACK TO 2003: “The new Stormwater Planning Guidebook for BC gives municipal land planners and engineers a tool to help make land development compatible with stream protection,” wrote Geoff Gilliard in an article published by Input Magazine


“Many local governments are under pressure to protect streamside property that is threatened by stormwater development,” wrote Geoff Gilliard. “The new Stormwater Planning Guidebook for BC gives municipal land planners and engineers a tool to help make land development compatible with stream protection. The Guidebook offers a new approach to stormwater management that eliminates the root cause of ecological and property impacts by designing for the complete spectrum of rainfall events.”

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Kanaka Creek Watershed Stewardship Centre – a new jewel in the crown of Metro Vancouver’s regional parks system


“The addition of the Kanaka Creek Watershed Stewardship Centre will offer education and grassroots engagement on the critical importance of watershed stewardship and environmental sustainability,” said Heather Deal, Chair of Metro Vancouver’s Regional Parks Committee, at the official opening. “We are thrilled to officially open this Centre in Maple Ridge for the enjoyment of all Metro Vancouver residents and visitors.”

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FLASHBACK TO 2010 FROM RAIN TO RESOURCE WORKSHOP: “The Water Balance Model allows the user to quickly establish the existing base line that will become the standard used to measure the performance of future development scenarios,” stated Jim Dumont


“The WBM embeds land use zoning from municipal member partners, soil calculator and a new calculation engine QUALHYMO utilizing the Environment Canada climate data that includes rainfall, snow, temperature and evaporation. The easy access and calculation speed combined with the embedded data and information allows the user to easily and effectively plan and design green infrastructure techniques which will achieve the vision and objectives established for the Site, the Development, or Watershed,” stated Jim Dumont.

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FLASHBACK TO 2010: “Beyond the Guidebook 2010 showcases how a ‘convening for action’ culture has taken root in British Columbia. Bringing together local government practitioners in neutral forums has enabled implementers to collaborate as regional teams,” observed Glen Brown


“In 2005, we said that the Guidebook would be the ‘telling of the stories’ of how change is being implemented on-the-ground in BC. Before the chapters could be written, however, the regional case studies had to run their course,” stated Glen Brown. “Five years later, this is the story of how we got to here and where we are going next. Similar to the way the 2002 Guidebook is structured, Beyond the Guidebook 2010 is written in a way that provides the whole story for those that want it, or just key tidbits for others.”

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FLASHBACK TO 2010: “A crucially important message in Beyond the Guidebook 2010 is that we now have the tools and experience to design with nature,” said Richard Boase


“So many of us in local government are still searching for the magical ‘silver bullet’ that with the stroke of a pen will resolve all our watershed issues and challenges while at the same time stimulate economic activity and accommodate growth. While the search continues, it is important to note that the practical solution is around us everywhere, and is staring right at us: Soil, vegetation and trees can do more for our watersheds than decades of planning, consulting and complicated engineering design will ever achieve,” stated Richard Boase.

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PHILADELPHIA’S BOLD PLAN: Green City, Clean Waters – an inter-generational commitment to “optimize and engineer the landscape” to mimic and restore its natural hydrologic regime!


Philadelphia hopes by the mid-2030s to create the largest green stormwater infrastructure in the United States. Nancy Stoner says the program was never solely about slashing combined sewer overflow, but also about providing larger environmental and social benefits. “Philadelphia wanted to do much more,” Stoner says. “They did a benefits analysis before they began that showed it would enhance air quality and climate resiliency. It takes the problem of stormwater and turns it into an amenity.”

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FLASHBACK TO 2006: UBC-Okanagan hosted one of the early Water Balance Model training workshops in February 2006


“UBC-Okanagan is pleased to have provided the venue for this application of sustainability-on-the-ground. This sponsorship opportunity was an outcome of a meeting with the Chair of the Inter-Governmental Partnership (IGP), at which time we realized that UBC-Okanagan and the IGP shared a common objective in advancing the state-of-the-art for water management in the Okanagan,” stated Bernard Bauer, Dean ot the Irving K. Barber School of Arts and Sciences.

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CHANGING THE WAY WE DO BUSINESS: “The reality is that stormwater management has become an increasingly complex and multi-dimensional challenge,” wrote Glen Parker, North Shore Streamkeepers, in an opinion piece about rainwater management in Metro Vancouver’s North Shore region


“Perhaps because rain is thought of as a force of rejuvenation and renewal, we often neglect to think about how stormwater can actually endanger our ecosystems and fish populations across the North Shore,” wrote Glen Parker. “Protection of our local watershed starts with understanding the time and route that water takes to get into a stream. In our increasingly urban landscape, the growing presence of impervious surfaces means that massive quantities of stormwater are entering drainage systems.”

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Capturing LA’s ‘Liquid Gold:’ The County’s Bold Plan for Replicating the Water Balance


The expansive undertaking would build on top of an existing network designed to capture and store groundwater. The initiative also seeks to enhance regional cooperation between the over 200 local governments and agencies who oversee water resources throughout the County. “When you look at what we are importing into L.A. County, it’s about 60 percent of our local supply,” said Mark Pestrella.

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