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Water Balance Methodology

METRO VANCOUVER LEGACY RESEARCH; BENCHMARK FOR WATERSHED HEALTH: “When local governments obtain a financial value for streams as spatial assets, they can include them in their asset management plans and budgets,” stated Tim Pringle, Adjunct Faculty with the Master of Community Planning Department at Vancouver Island University

April 8, 2025


“Context is everything. In 1999, the science was brand new and the Streamside Protection Regulation was still two years away from becoming law. This context underscores just how far ahead of the game that Metro Vancouver was with its watershed health rating system. This is context for Metro Vancouver coming full circle to build on seminal applied research undertaken in the Metro Vancouver and Puget Sound regions in the late 1990s.This legacy work provides us with a benchmark for comparison of watershed health assessments then and now,” stated Tim Pringle.

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HISTORY OF GREEN INFRASTRUCTURE IN BRITISH COLUMBIA: “We must start and end with the stream for a true measure of success,” says Jim Dumont, rainwater management thought leader who evolved the Water Balance Methodology through a rigorously analytical approach

November 13, 2024


“We are on the right path. But that path seems to be a path less travelled. While many advances have been made in managing rainwater on-site in BC, we have fallen behind US west coast states in protecting streams and reducing risk. The West Coast experience of Washington State, Oregon and California is a counterweight to those who lean to Ontario and Northeastern USA for their experience. We cannot force the change. The thing that I have found works is RISK MANAGEMENT. If we can get that discussion going, senior people will follow along,” stated Jim Dumont.

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