Construction: stabilizing contributing drainage area

Similar to the plant material verification and installation task shown in Construction: plant material verification and installation page, any planting required to stabilize the contributing drainage area will need to meet the specifications and considerations shown in such page.

Additionally, if turf/grasses is required to stabilize the contributing drainage area, installation should be done as per the grower/nursery’s specifications and standards.

Natural lawn grass installed to stabilize the contributing drainage area at the Glendale P.S. rain garden in Brampton, Ontario. (Photo source: CVC)

The total surface area upstream of a point on a stream that drains toward that point. Not to be confused with watershed. The drainage area may include one or more watersheds.

A lot level bioretention cell designed to receive and detain, infiltrate and filter runoff, typically used for discharge from downspouts.

Credit Valley Conservation