City of Cranbrook

September 12, 2016

Please Avoid Draining Pools & Hot Tubs Into Storm Sewer System

Cranbrook, BC (September 12, 2016) -- With the fall approaching, residents with swimming pools will begin the task of draining the water.  Residents are reminded that swimming pool water cannot be drained into the City’s storm sewer system based on the City of Cranbrook’s own building bylaw and plumbing and sewage bylaw.

Under the Fisheries Act of Canada, pool and hot tub water should not be released into a storm sewer without being treated first, as pool water is usually highly toxic to fish and other aquatic life due to the high levels of chlorine, bromine, salt or other commonly used chemicals.   The City of Cranbrook storm sewers are emptied into streams that have fish and other aquatic life.

It is best to slowly discharge treated pool and hot tub water to the ground so it soaks away without flooding neighboring properties, streets or alleys. This should not be done during a rainy day.

Dechlorination of water can be achieved by dechlorination tablets and exposure to sunlight. The water should be then tested to ensure that chemical levels are as close to zero as possible before discharging to a storm sewer. Please contact the City before discharging a pool to the storm sewer to determine the adequacy of the storm sewer in your area to handle the water volume. When discharging to a storm sewer the water should be discharged close as practicable to the storm sewer and should not run over sidewalks, driveways, or roadways.  Ensure that the storm sewer is not clogged and is receiving water and there is no erosion to property.

Salt water pools have such high levels of chloride that this water cannot be discharged to the storm sewer; it must be hauled away by a licensed hauler.

Information on how to safely remove chemicals from your pool water before you drain them can be found by contacting the manufacturer, etc.

If you have questions, please contact the City at 250-426-4211 or by email at info@cranbrook.ca.

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