Using rainfall data from the record-breaking July 1 deluge, the [Carleton University] team ran a computer model showing the impact of engineered rain gardens on private property and on the city’s right-of-way along streets. [...] The result? Major reductions in stormwater pooling and hazardous flood water. https://www.cbc.ca/news/canada/ottawa/rain-garden-crystal-beach-canada-day-storm-9.7323947