Alert archive Canada
158 published alerts, 18 currently active.
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Long-term Boil Water Advisories in Sage Mesa
The community of Sage Mesa and surrounding areas in British Columbia are suffering from long-standing boil water advisories due to aging infrastructure. Other communities in the Similkameen-South Okanagan-West Kootenay region are also affected. Residents are calling on the government for urgent investment in the drinking water supply to address microbiological risks.
Boil water advisory for Whycocomagh due to high turbidity
Due to cracks in a well casing, sediment is entering the Whycocomagh water system, leading to turbidity levels exceeding limits. The municipality has issued a boil water advisory and is providing drinking water and vouchers to affected households. The measure is expected to remain in place until June 19, 2026, while a UV disinfection system is being installed. All-clear (Municipality of the County of Inverness, 15.06.2026, 02:11): The boil water advisory for Whycocomagh was lifted on June 12, 2026. Normal water consumption may resume immediately. Update (invernesscounty.ca, 28.06.2026, 21:22): Leak detection work occurred on June 10 and overnight, potentially causing temporary pressure reductions. Water and voucher pick-up continued on June 10 and June 12 at the Whycocomagh Volunteer Fire Department.
Boil water advisories and usage restrictions in Quebec
In numerous municipalities in the province of Quebec, including Montreal, Laval, and Châteauguay, boil water advisories or drinking water bans are currently in effect. The measures were issued between May and June 2026 due to microbiological risks or quality defects. Affected residents should bring water to a rolling boil before consumption or use alternative sources.
Various drinking water warnings in Québec
Boil water advisories or consumption bans are currently in effect in numerous municipalities across the province of Québec, including Montréal, Laval, and Châteauguay. The measures were issued between May and June 2026 due to microbiological risks or quality deficiencies. Affected residents are advised to bring water to a rolling boil before consumption or to use bottled water.
Long-term Boil Water Advisory in Wabauskang First Nation
In the Wabauskang First Nation in Ontario, an existing boil water advisory was classified as long-term on May 16, 2026, as it has been in place for over 12 months. The measure affects 45 households and three public buildings. The community is currently working on operational improvements and water testing to enable the lifting of the advisory.
Boil Water Advisory for Baker Lake
The Department of Health has issued a boil water advisory for Baker Lake due to high water turbidity. It cannot be guaranteed that the water is free of pathogens. All water for human consumption must be brought to a rolling boil for at least one minute.
Boil water notice in Thurso due to technical defect
A precautionary boil water notice was issued in the town of Thurso on Wednesday morning after the water quality monitoring instruments at the waterworks failed. Residents must boil their drinking water for at least one minute at a rolling boil before using it for drinking or food preparation. Repair work is expected to take several days.
Boil water advisory in Saint Lambert
The city of Saint-Lambert has issued a boil water advisory for several streets. Residents on Rue Osborne, Avenue Cleghorn, and Avenue de Bétournay are affected. Water must be brought to a rolling boil for at least one minute before consumption. All-clear (Ville de Saint-Lambert, 19.07.2026, 07:42): The boil water advisory has been lifted for Rue Union, between Riverside and Osborne. Residents on this street segment no longer need to boil their water. All-clear (saint-lambert.ca, 21.07.2026, 07:44): NONE.NONE. Update (City of Saint-Lambert, 01.09.2026, 23:25): A precautionary boil water advisory is now in effect for 192 and 210 Queen Boulevard, 306 through 397 Hickson Avenue, and 983 Victoria Avenue.