Source Water Protection (SWP) is the process of protecting a drinking water source through land use planning policies and land management activities. The risk of source water contamination is a human health concern even in developed countries such as Canada. Much of the existing SWP literature in the more developed world is centred on small and rural water systems with a focus on capacity needs to support SWP activities and planning. These capacity needs tend to centre on five key elements: political, financial, human, technical and legal. While these contributions have added value to the water resource planning literature in rural areas, there remains a noticeable gap in the literature with respect to SWP activities in metropolitan areas. The purpose of this paper is twofold: first, to report the kinds of source water threats facing metropolitan water systems in Canada; and, second, to explore the utility of the capacity literature with respect to SWP planning in metropolitan Canada.
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Ibrahim et al. (2017) studied this question.