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Thursday, November 14 • 4:00pm - 4:30pm
Session A - A Stormwater Management Pond Even an Operator Can Love

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As some of the most visible pieces of major stormwater infrastructure in communities, stormwater ponds can be a nightmare for operations staff. They can be 311 complaint call generating machines and futile attempts to address algae blooms, weeds, and smells consume maintenance staff labour hours like Tic Tacs. A lower maintenance solution is needed for managing stormwater runoff.

The Stormwater Kidney™ system is a stormwater management facility designed specifically for ease of maintenance and to be aesthetically desirable for community residents. A small and easy to access portion of the system, called the Nautilus Pond®, is devoted to efficiently removing sediment and floating materials. Dewatering this sediment removal area is accomplished almost entirely by gravity in a matter of hours by opening a valve. This allows O&M staff to visually inspect for sediment accumulation, and to safely execute sediment removal operations, rather than having to survey a large pond area from a boat. Floating material collection and removal is accomplished at a single location rather than by roaming around a pond looking for scattered bits of debris.

The Stormwater Kidney™ system uses a low power recirculation system to turn over water several times per week through treatment wetlands and vegetated areas to naturally remove nutrients from water. With reduced nutrients in the water, outbreaks of weeds and algae can be controlled without any intervention from O&M staff. Vegetated areas are designed to be self-maintaining with native plant mixes that naturally control weeds and should never be mowed.

Examples of the kind of achievable and low maintenance operating environments associated with a Stormwater Kidney™ system will be presented and discussed.


Thursday November 14, 2019 4:00pm - 4:30pm MST
Double Tree by Hilton 16615 109th Avenue North West, Edmonton, Alberta,