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2006 News Releases

Seasonal algae growth starting to affect Winnipeg’s tap water

NEWS @ A GLANCE:

Some Winnipeg residents are noticing an unusual taste and odor in their tap water. “This is a condition we can experience each year.” Dr. Sande Harlos, Medical Officer of Health with the Winnipeg Regional Health Authority says, “Residents can continue to use the water, and there is no need to take special precautions.” Increased algae growth can also cause home water treatment devices and water tap strainers and aerators to plug more frequently. A build-up of sediment may also occur in hot water tanks. Residents are encouraged to perform regular maintenance on these devices to ensure that they continue to function satisfactorily. For more information on Winnipeg’s water, residents can visit Winnipeg.ca/waterandwaste/water or call 311.
(for more details, please read the full media release below)

MEDIA RELEASE:

WINNIPEG June 28, 2006 - “As a result of algae growth in Winnipeg’s water supply, some residents are noticing an unusual taste and odor in their tap water,” says Diane Sacher, Manager of the City’s Water Services. “This is a condition we can experience each year.”

Sacher adds, “In addition to allowing us to meet drinking water quality guidelines, the water treatment plant we’re building will also reduce odour levels and improve the taste and appearance of our water. We expect to finish building the plant in 2008”.

Algae are plants that live in bodies of water, including Shoal Lake, Winnipeg’s water source. When conditions are favourable, usually in the summer, the algae can grow in abundance, in what is called an ‘algae bloom’. Algae produce substances that can give our water an unpleasant taste and smell, often described as musty. Algae could be a factor until late fall.

Dr. Sande Harlos, Medical Officer of Health with the Winnipeg Regional Health Authority says, “These tastes and odours may be unpleasant, but algae normally found in Winnipeg’s water supply are not known to cause adverse health effects. Residents can continue to use the water, and there is no need to take special precautions.” Winnipeg water is routinely tested during the summer season for substances produced by algae.

Increased algae growth can also cause home water treatment devices and water tap strainers and aerators to plug more frequently. A build-up of sediment may also occur in hot water tanks. Residents are encouraged to perform regular maintenance on these devices to ensure that they continue to function satisfactorily.

Water filters and other home water treatment devices with this certification on their label can improve the taste and odour of tap water:
ANSI/NSF Standard No. 42 for the reduction of taste and odor

For more information on Winnipeg’s water, residents can:

  • Visit Winnipeg.ca/waterandwaste/water
  • See the two blue pages at the back of the MTS White Pages Phone Book
  • Call the Water and Waste Department Customer Service Centre at 311

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Last update: 11.07.2006

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