In August of 2009 a massive storm hit Mississauga, Ontario which flooded
approximately 400 homes. The damage from this storm was caused by the
river overflowing its banks and directly entering the homes, as well as causing
backups which flooded basements. This resulted in a $25-million project which
intended to avoid a similar occurrence in the future. The City of Mississauga
decided to implement the 11-hectare Cooksville Stormwater Management
Pond. This pond functions like a giant reservoir slowing down the flow of water
into the creek, as well as reducing the amount of pollutants entering the
creek. “A portion of the project cost was funded by a stormwater charge the
city implemented in 2016 as a fair and dedicated source of funding” stated
Helen Noehammer, Director of Transportation and Infrastructure Planning for
Mississauga. Muneef Ahmad, City of Mississauga’s Manager of Stormwater
Projects stated that “in the event of a one-in-one-hundred year storm the pond
will reduce its impact by approximately 80%.
The stormwater pond was placed in the middle of an industrial park that is North of Matheson Boulevard West and at the
headwaters of the Cooksville Creek. A 10’ wide by 60’ long Stormceptor® MAX was installed to pretreat the pond. Stormceptor®
MAX is a customizable oil grit separator/hydrodynamic separator modularly designed to treat large drainage areas from
stormwater pollution, including suspended sediments (TSS), free oils, floatables and other pollutants that attach to particles.
Using the Stormceptor® MAX for pretreatment allows pollutants to be trapped prior to entering the pond. This reduces
maintenance costs, prevents clogging of downstream structures, improves water quality, and ensures long term functionality of
the pond. This is the largest of Mississauga’s 60+ stormwater facilities. The project area was finished off with a landscaped park
with a walking trail, lookouts, and an open air plaza complete with benches, fitness equipment, and public art.