Written by Jacqui Empson Laporte, Environmental Specialist, OMAFRA From Houston to Toronto, a common theme has been flooding caused by the increase in impermeable surfaces. In June, 2017, part of Southwestern Ontario was hit with a 1 in 100 year storm event, and some areas received 6.7 inches (170 mm) of rain in 7 hours. In August, 2018, Toronto received…