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Water Today Title August 19, 2018

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Asvisory of the Day


2017/8/1

CARIGNAN, QC: WATER MAIN BREAK IN VILLE DE CARIGNAN DUE TO VALVE CHAMBER AIR BLEED, QC



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The Ville de Carignan, in the Montérégie region of Québec, was placed under a Boil Water Advisory last Monday, July 24. The advisory was issued due to a water main break that occurred over "the previous weekend [and] was found on Monday morning," said Michel Samson Director of the Public Works Service in the town.

Samson explained that it was "an air bleed valve that broke in a valve chamber, a room located in a wooded area at the beginning of a watercourse." There was high demand for drinking water on July 21, and this caused a corroded connection to drop. Samson said that over the weekend of July 22-23 "we found abnormal water consumption, we searched the most sensitive areas and found nothing."

It was on the Monday that the problem was localized and repairs were made. The effect this had was that a "section of drinking water pipe was depressurized," which necessitated the boil order.

On Monday afternoon, after the repairs, a series of samples were taken." A second series was taken the following day. After lab testing showed water to be normal "early Wednesday afternoon the Boil Water Advisory was lifted," Samson said.

The city of Carignan which is approximately 50 years old, "is in full residential development," Samson explained. When it comes to investment Samson said that "priority is given to water and wastewater." Almost all the city's pipes are made of PVC and "there are very few breakages [between] 0-4 a year."





































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