How Cities Can Use Rain Gardens to Help Prevent Flooding
Street-side bioretention cells cut flooded area by 76% in a Crystal Beach model, far outperforming gardens on private lots, researchers said.
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2 Articles
How cities can use rain gardens to help prevent flooding
A rain garden in Calgary, Alberta. A rain garden, or bioretention cell, is a shallow sloped area filled with plants and soil. (Maureen Flynn-Burhoe), CC BYThe Canadian capital of Ottawa was bombarded with 167 millimetres of rain in five hours earlier this summer in what the city called a one-in-200-year event. Close to 5,800 basement-flooding reports followed, and the worst of it hit the city’s west end, including the Crystal Beach neighbourhood…
Rain Gardens: Placement Matters More Than Square Footage
Rain Gardens: Placement Matters More Than Square Footage The Canadian capital of Ottawa was bombarded with 167 millimetres of rain in five hours earlier this summer in what the city called a one-in-200-year event. Close to 5,800 basement-flooding reports followed, and the worst of it hit the city’s west end, including the Crystal Beach neighborhood. The Conversation Wed, 09/02/2026 - 16:18 Categories Environment
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