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Allowing the runoff from cement or concrete works into the storm sewer system is a violation of EPCOR Drainage Services and Wastewater Treatment Bylaw 19627 and of Provincial and Federal Environmental Legislation. This can result in fines or penalties to the worker, the foreman and the company responsible for the release.
Washing cement or concrete products or dust into our stormwater system can have a devastating effect on our City's natural environment.
This information will help you learn how to contain and properly dispose of runoff from cement or concrete work. The chemical content of cement and concrete – especially lime – can be lethal to fish, insects and plants.
Drainage Operations Monitoring & Compliance (780) 509-8067 or (780) 509-8128
Report spills immediately to (780) 412-4500 and to Alberta Environment at 1 (800) 222-6514
Concrete wastewater has a pH of 12-13 and is as toxic as bleach. The pH of freshwater is 6-7. Concrete wastewater causes burns in a similar way to a strong acid. A single bucket of concrete wastewater could easily kill hundreds of fish. There is also concern about heavy metal concentrations in some cement products. Cement products can also cause obstructions of storm water pipes. Storm catch basins lead directly to the river and are only meant for rainwater and snowmelt. At no time should you ever dump concrete or cement-based products into the storm sewer or allow run-off from worksites to run into drainage systems.
Remember, concrete and cement-based products are a prohibited substance in EPCOR Drainage Services and Wastewater Treatment Bylaw 19627. Proper disposal of concrete and cement-based products is your responsibility. In order to maintain a healthy environment here are some tips: