Alerts August 2026 (Canada)
37 published alerts, 2 currently active.
La Sarre : La Ville émet un avis d’ébullition de l’eau
La Ville de La Sarre a émis un avis d’ébullition de l’eau à la suite d’un résultat d’analyse non conforme. Il est recommandé de faire bouillir l’eau au moins 5 minutes avant de la consommer. Les équipes de la Ville nettoient actuellement les réservoirs et le réseau, et l’avis sera levé dès que les résultats d’échantillonnage seront positifs à la consommation. Update (Ville de La Sarre, 16.09.2026, 00:20): The advisory has been prolonged until September 21, 2026 due to the detection of total coliforms.
Avis d’ébullition encore en vigueur à Saint-Lin-Laurentides
L’avis d’ébullition préventif émis le 7 août dernier pour les résidences branchées au sud de la rivière l’Achigan, à Saint-Lin–Laurentides, est toujours en vigueur. La Ville recommande de faire bouillir l’eau pendant au moins une minute avant de la consommer. Une mise à jour sera effectuée dès que les résultats des tests conformes seront reçus. All-clear (Ville de Saint-Lin-Laurentides, 15.09.2026, 19:21): The preventive boil advisory has been lifted for the Eden sector (well 3), including rues du Paradis, de l'Éden, du Soleil, de la Balade et du Mirage, as test results are now conforming.
AVIS D’ÉBULLITION PRÉVENTIF – FONTAINEBLEAU
La Municipalité de Weedon a émis un avis d’ébullition préventif pour le secteur de Fontainebleau. Les citoyens doivent utiliser de l'eau bouillie ou embouteillée pour la consommation, le brossage des dents, la préparation des aliments et la fabrication de glace. Cet avis est en vigueur dès maintenant et le restera jusqu'à nouvel ordre. Update (Municipalité de Saint-Alexandre-de-Kamouraska, 15.09.2026, 19:35): La Municipalité de Saint-Alexandre-de-Kamouraska has issued an advisory due to a pressure drop on the water system on September 14, 2026. Water for consumption must be boiled for at least one minute.
Precautionary water quality advisory issued for Kalamalka Lake customers in Greater Vernon
Das Regional District of North Okanagan hat in Zusammenarbeit mit Interior Health am 14. August 2026 eine vorsorgliche Wasserqualitätswarnung für Kunden von Greater Vernon Water, die aus der Kalamalka Lake Quelle versorgt werden, herausgegeben. Dies erfolgte, nachdem die Trübungsgrade im See über 3.0 NTU angestiegen sind. Kunden mit geschwächtem Immunsystem oder jene, die zusätzlichen Schutz suchen, werden aufgefordert, Wasser mindestens eine Minute lang abzukochen, bevor sie es zum Trinken oder zur Zubereitung von Speisen verwenden. Update (Vernon Matters, 30.08.2026, 21:21): Boiling water is also advised for brushing teeth. The cause of the turbidity is under investigation, with bacterial levels confirmed to be within safe drinking standards as of Friday morning. Update (Regional District of North Okanagan (RDNO), 30.08.2026, 23:25): A Boil Water Notice was issued on August 26, 2026, for properties at 527, 549 and 577 Mountview Rd, replacing the broader Water Quality Advisory. All-clear (Regional District of North Okanagan (RDNO), 05.09.2026, 23:35): A Boil Water Notice for Learmouth, Springfield, Rochdell, and Reid Roads, issued August 26, 2026, due to a water service leak and main shutdown, was rescinded on August 28, 2026. All-clear (Regional District of North Okanagan, 05.09.2026, 23:40): The precautionary Water Quality Advisory for Greater Vernon Water customers supplied by the Kalamalka Lake source was rescinded on August 28, 2026. This was due to turbidity levels returning to normal and bacterial test results remaining within drinking water standards throughout the advisory period.
Water quality advisory issued for Jubilee Park Beach on Wizard Lake
Alberta Health Services (AHS) has issued a water quality advisory for Jubilee Park Beach on Wizard Lake in Leduc County, effective immediately. Elevated levels of bacteria have been detected, advising the public not to swim or wade and to never drink or cook with untreated water from the lake due to the risk of gastrointestinal illness and infections. This advisory will remain in effect until further notice.
Water quality advisory issued for Shorncliffe Beach on Shorncliffe Lake
Alberta Health Services (AHS) has issued a water quality advisory for Shorncliffe Beach on Shorncliffe Lake, effective immediately from August 24, 2026. This advisory is due to elevated levels of bacteria detected in the lake water, which can cause gastrointestinal illness or infections. The public is advised not to swim or wade, and never to drink or cook with untreated water from the lake.
Water Quality Advisory Update – August 25, 2026
A Water Quality Advisory remains in effect for the Town of Osoyoos's drinking water system. The advisory, initially issued on July 7, 2026, is due to elevated manganese levels. Town staff continue to monitor the situation. Update (Osoyoosnews.com, 12.09.2026, 23:55): The elevated manganese is attributed to naturally occurring elements and ongoing issues with the lake's water supply. The advisory's duration is currently unknown.
Huron Sands under boil water advisory
Huron Perth Public Health has issued a boil water advisory for users of the Huron Sands Well in Ashfield-Colborne-Wawanosh. This advisory was issued after recent samples indicated unsatisfactory levels of bacterial contamination in the water supply. Residents must bring all water used for cooking or drinking to a rolling boil for at least one minute.
Lafontaine resident questions notification after E. coli found in drinking water sample
Tiny Township issued a precautionary boil-water advisory for the Lafontaine Drinking Water System on August 26 after one of 11 routine water samples tested positive for E. coli and total coliform bacteria. The advisory applies to properties served by the Lafontaine system, one of 16 municipal drinking water systems operated by the township. The precautionary boil-water advisory remains in place pending follow-up results.
Boil water advisory for Cross Lake Natimek Public Water System
A boil water advisory was issued for the Cross Lake Natimek Public Water System in August 2025, becoming long-term in August 2026. This advisory impacts 248 homes and 6 community buildings. Repairs and upgrades are underway, with a projected lift date of Fall 2026. Update (watertoday.ca, 29.08.2026, 17:25): The advisory became long-term on August 13, 2026. Repairs include replacing the fire pumps. Update (Indigenous Services Canada, 05.09.2026, 23:35): The advisory affects the Cross Lake Band of Indians in Manitoba. It was initially issued due to water supply and system capacity issues. Most repairs are complete, and the advisory will remain active until water quality is confirmed.
August 4 Mabou Water Pick-Up Details
The water conservation directive and boil water advisory remains in effect for users of the Mabou water system as of August 4, 2026. To support affected residents, the Municipality is continuing its drinking water pick-up at the Mabou & District Volunteer Fire Department on Tuesday, August 4, from 4:00 p.m. to 6:00 p.m. Residents can collect one four-litre jug per person, up to a maximum of three jugs per household. All-clear (invernesscounty.ca, 12.09.2026, 23:45): The Water Conservation Directive and Boil Water Advisory is no longer in effect as of Friday, August 14, 2026 at 12:30 p.m.
Boil Water Advisory in Effect for North Side Residents
Lheidli T’enneh First Nation has issued a precautionary Boil Water Advisory for residents served by the North Side Community Water System. This measure is necessary due to a reservoir leak and subsequent repairs. Affected residents must boil all water for consumption.
Boil water advisory issued for parts of Elliot Lake
The City of Elliot Lake, in consultation with Algoma Public Health, has issued a boil water advisory for specific addresses including Rogers Arena, 111, 167A/B, 169A/B Spruce Ave., and the Masonic Lodge. This advisory is due to a low risk of soil or other contaminants entering the water supply during ongoing repair or construction work. Residents in affected areas must boil water for at least one minute before ingestion until microbiological samples confirm water safety. Update (City of Elliot Lake, 27.08.2026, 23:55): The advisory is also a result of discoloured water in the area. All-clear (The City of Elliot Lake, 28.08.2026, 23:35): The boil water advisory has been lifted for 35-39 Perini Rd and 12 Kilborn Way after bacteriological samples showed no evidence of contamination. All-clear (Elliot Lake, 10.09.2026, 23:35): The boil water advisory has been lifted for Rogers Arena, 111, 167A/B, 169A/B Spruce Ave, and the Masonic Lodge. Residents in these areas no longer need to boil water. All-clear (ElliotLakeToday, 14.09.2026, 23:20): The boil water advisory has been lifted for 36-59 Lakeview Rd after bacteriological samples showed no evidence of contamination.
Water Quality Advisory: Manganese in Drinking Water
The Town of Smithers has elevated levels of manganese in its drinking water, exceeding Health Canada's maximum acceptable concentration (MAC) guideline of 0.12 mg/L. An advisory recommends using an alternate source of water, such as bottled water, for preparing infant formula. The Town is actively collaborating with Northern Health to implement strategies for reducing manganese concentrations within the distribution system.
Boil Water Advisory for ALGOMA MILLS
A Boil Water advisory has been issued for the municipality of ALGOMA MILLS in Ontario. This advisory, indicating potential microbiological contamination, has been active since September 10, 2025.
Boil notice issued for Fauquier
A boil water notice has been issued for the community of Fauquier. Residents are advised to boil all water used for drinking, food preparation, and hygiene purposes until further notice. This measure is typically implemented due to potential microbiological contamination. Update (Regional District of Central Kootenay (RDCK), 27.08.2026, 00:45): The Regional District of Central Kootenay issued the notice, effective August 24, 2026. It is due to construction activity that may cause unplanned depressurization of the water distribution system. Customers are also advised to use a safe alternative to boiled water.
Water Restored on 100 and 200 Blocks of Ave K S, Drinking Water Advisory in Effect
Water service has been restored to the 100 and 200 blocks of Ave K S in Saskatoon after an infrastructure issue. However, a drinking water advisory remains in effect for these areas, requiring residents to continue following precautions for drinking water. Update (City of Saskatoon, 28.08.2026, 23:35): A drinking water advisory remains in effect for properties in the 400 block of Birch Crescent, where water service has been restored. All-clear (Saskatoon.ca, 29.08.2026, 23:21): The drinking water advisory for 69-89 Klaehn Crescent has been lifted. Update (City of Saskatoon, 10.09.2026, 23:35): Water service has been restored to the 2100 block of 22nd Street West. A drinking water advisory remains in effect for this new area. All-clear (City of Saskatoon, 11.09.2026, 23:20): Water service has been restored to the 200 block of Saskatchewan Crescent West. Door hangers were delivered to residents in this area with important information.
Important avis d'ébullition préventif à Piedmont
Un avis d'ébullition préventif est en vigueur à Piedmont depuis le 18 août 2026, initialement pour plusieurs chemins et étendu à l'ensemble du territoire le 19 août. Des citoyens ont signalé la présence d'eau colorée à certains endroits, incitant à la prudence. Les résidents doivent faire bouillir l'eau pendant au moins une minute avant de la consommer, et l'avis sera en vigueur jusqu'au 25 août 2026 inclusivement.
Cyanobacterial (blue-green algal) bloom advisory issued for Reesor Lake
Alberta Health Services hat eine Warnung für den Reesor Lake im Cypress Hills Provincial Park herausgegeben, aufgrund einer Cyanobakterien-(Blaualgen-)Blüte. Bewohnern und Besuchern wird geraten, kein Wasser aus dem See zu trinken oder zum Kochen zu verwenden, da es Toxine enthalten kann, die auch durch Abkochen nicht entfernt werden. Die Warnung bleibt bis auf Weiteres in Kraft.
Boil Water Advisory - Horse Lake Water System - Aug 14 2026
The Cariboo Regional District has issued a Boil Water Notice for users of the Horse Lake Water System, effective August 14, 2026. This precautionary measure follows water testing results, requiring residents to boil all water for drinking, cooking, and hygiene purposes until the advisory is officially rescinded. All-clear (Cariboo Regional District, 27.08.2026, 23:56): The Boil Water Notice has been cancelled effective August 21, 2026, as requested by a Drinking Water Officer after water systems were found to meet public health regulations.
Community Update: Water Quality Advisory Remains in Place
A Water Quality Advisory was issued on August 16, 2026 for the Six Mile, Bradley Creek, Irish Creek and Head of the Lake water systems of the Okanagan Indian Band. Residents, particularly vulnerable people, were advised to boil tap water for at least one minute or use bottled water until further notice. The advisory for the Bradley Creek system was lifted on August 20 after flushing and clear bacteriological samples.
Water quality advisory issued for Stoney Lake Municipal Campground Beach on Stoney Lake
Alberta Health Services hat wegen erhöhter Bakterienwerte im Seewasser eine Wasserqualitätswarnung für den Stoney Lake Municipal Campground Beach im County of St. Paul herausgegeben. Besucher sollen dort weder schwimmen noch waten, da bei Kontakt oder Verschlucken Magen-Darm-, Haut-, Ohr- und Augeninfektionen möglich sind. Unbehandeltes Wasser aus dem Stoney Lake darf grundsätzlich nicht getrunken oder zum Kochen verwendet werden.
Water quality advisory issued for Milk River Ridge Reservoir
Alberta Health Services (AHS) has issued a water quality advisory for the Milk River Ridge Reservoir at Ridge Park Campground beach in Warner County, effective immediately from August 17, 2026. This is due to elevated levels of bacteria, advising the public not to swim or wade, and to never drink or cook with untreated water from the reservoir.
AVIS PUBLIC - AVIS D'ÉBULLITION DE L'EAU POTABLE - PRÉSENCE D'E. COLI
La Municipalité de Val-des-Lacs a émis un avis d'ébullition de l'eau potable pour son réseau d'aqueduc suite à la détection possible de bactéries E. coli. Les citoyens concernés doivent faire bouillir l'eau pendant au moins une minute avant toute consommation, jusqu'à nouvel ordre. Des analyses sont en cours pour rétablir la conformité de l'eau.
Water quality advisory issued for Plamondon Whitesands Beach on Lac La Biche Lake
Alberta Health Services (AHS) has issued a water quality advisory for Plamondon Whitesands Beach on Lac La Biche Lake, effective immediately. Elevated levels of bacteria were detected in the lake water, posing a risk of gastrointestinal illness and skin, ear, and eye infections from contact. The public is advised not to swim or wade at this location. Update (Alberta Health Services, 31.08.2026, 15:25): A cyanobacterial (blue-green algal) bloom advisory was issued August 25, 2026, for Beaver Lake after toxins were identified. The public is advised not to drink or cook with water from the lake and to keep pets away. This advisory remains in effect.
Boil water advisory remains for Port McNeill, results expected Wednesday
The Town of Port McNeill continues under a boil water advisory, issued on Wednesday, July 8, due to contamination related to fecal coliform and/or E.coli. Residents, approximately 2,400, are affected. Water test results are expected Wednesday, July 15, which could lead to the lifting of the advisory.
All of Summerland under boil water notice as wildfire threatens water treatment plant
The District of Summerland has issued a boil water notice for all Summerland Water System users, including Trout Creek. This measure was taken on Friday, August 7, due to the Bald Range wildfire threatening the water treatment plant, leading to the plant being bypassed and untreated water entering the system. Residents are advised to boil water for one minute before use or use a safe alternative. Update (District of Summerland, 22.08.2026, 23:18): The notice became effective on August 7, 2026. The water treatment plant was bypassed to protect fireflows. Update (Global News, 27.08.2026, 00:35): The advisory is causing difficulties for businesses, leading to closures. The boil water advisory remains active. Update (District of Summerland, 27.08.2026, 13:45): The Water Treatment Plant has been back online since August 13, with thorough testing still underway. The notice is expected to continue until at least the end of August, pending test results and Interior Health's final approval. Update (District of Summerland, 01.09.2026, 23:46): The Boil Water Notice has been rescinded for the majority of the community. It remains in effect for the Trout Creek area due to ongoing testing, sanitation, and flushing of the reservoir building and system. All-clear (summerland.ca, 07.09.2026, 23:25): The boil water notice has now been rescinded for all Summerland areas, including Trout Creek. Domestic water within the Summerland distribution system is rated good and is safe to consume. All-clear (The Spec, 11.09.2026, 23:21): Concerns remain regarding well contamination from ash and existing water quality challenges in small rural communities like Faulder and Meadow Valley. All-clear (Penticton Herald, 13.09.2026, 23:21): Daily testing of source water continues for turbidity and sediment due to the wildfire's impact.
Boil Water Advisory - Canim Lake Water System August 6 2026
The Cariboo Regional District has issued a Boil Water Notice for the Canim Lake Water system users, effective August 6, 2026. This precautionary measure follows mechanical issues that caused water levels in the system to drop, affecting system integrity. All users are advised to boil water for at least one minute before consumption or use for food preparation.
Localized boil water order - August 5, 2026
The City of Dieppe has issued a localized boil water order for residents at specific addresses on Acadie Avenue following a water main break. Residents must boil all water for drinking and hygiene for at least one minute until the order is lifted by the Public Health Office. All-clear (City of Dieppe, 15.08.2026, 15:18): The boil water order issued August 5 for addresses 200, 205, 220, 242, 250, 265, 266, 268, 269, 270, 273, 274, 278, 286 Acadie Avenue has been lifted as of August 7. Residents must now follow specific flushing measures for cold and hot water faucets, refrigerator water dispensers, and ice makers.
Water Shut Down and Precautionary Boil Water Advisory – 400-416, 552-586, 1601-1627
The City of Iqaluit announced a water shut down on August 7, 2026, from 9 AM to 1 PM for infrastructure work affecting addresses 400-416, 552-586, 1601-1627. Due to anticipated water pressure drops, the Chief Public Health Officer of Nunavut has issued a precautionary boil water advisory for these residents. All water for consumption must be brought to a rolling boil for a minimum of one full minu Update (City of Iqaluit, 20.08.2026, 23:19): The water shut down and advisory now affect the Plateau area. The new shut down is scheduled for August 15, 2026, from 9 AM to 6 PM. Update (City of Iqaluit, 24.08.2026, 23:19): The emergency shutdown is due to an urgent water infrastructure issue. City crews are actively working to restore water service by approximately 6:00 PM today. Update (City of Iqaluit, 24.08.2026, 23:19): A water shut down for the Plateau area was announced for August 18, 2026, from 9 AM to 6 PM. All-clear (City of Iqaluit, 28.08.2026, 15:50): The precautionary boil water advisory for the Plateau area has been lifted. The advisory is no longer in effect as of August 23, 2026. Update (City of Iqaluit, 01.09.2026, 23:40): A new precautionary boil water advisory and water shut down are scheduled for August 31, 2026, from 9 AM to 1 PM. This affects addresses 4065A-D, 4065 E-H, and 4096B. All-clear (City of Iqaluit, 09.09.2026, 11:26): The precautionary boil water advisory for addresses 4065A-D, 4065 E-H, and 4096B has been lifted. This resolution was announced on September 3, 2026. Update (City of Iqaluit, 10.09.2026, 07:35): A new city wide precautionary boil water advisory and water shut down are scheduled for September 5, 2026, from 6:00 AM to 12:00 PM.
Thompson under boil water advisory as city does water distribution system work
The city of Thompson, Manitoba, is under a precautionary boil water advisory following a planned shutdown of its municipal water system for maintenance and upgrade work this weekend. Residents are advised to bring all water for drinking, cooking, or preparing food to a rolling boil for at least one minute, or use bottled water, until water samples confirm its safety. All-clear (CBC News, 02.09.2026, 21:35): The advisory was lifted for most areas on Tuesday, August 11, 2026, following the replacement of a main water valve and system depressurization. Oak Street and Princeton Drive remain under advisory.
Calgary water playground temporarily closed after 3 cases of E. coli reported
Alberta health inspectors are investigating three cases of E. coli linked to the water park facilities at Prairie Winds Park in northeast Calgary. Visitors to the park between July 25 and Aug. 4, 2026, may have been exposed. The city closed the water park on Aug. 7, 2026, for further testing and cleaning. Update (Alberta Health Services, 22.08.2026, 23:17): A new advisory has been issued for Lake Sundance due to a cyanobacterial bloom and/or toxins. Residents should not drink or cook with lake water or contact visible blooms, as boiling will not remove the toxins.
Canadian family drops PFAS lawsuit despite private well testing 20 times above safe limit
A Prince Edward Island family dropped their lawsuit against the provincial government over PFAS contamination in their private well. In January 2025, their well water was found to contain PFAS levels more than 20 times above Health Canada's safe limit. The lawsuit, alleging contamination from a provincially owned dumpsite, was later withdrawn due to financial concerns.
Scotch Creek water system hit with boil water notice
The Columbia Shuswap Regional District (CSRD), in conjunction with Interior Health, has issued a Boil Water Notice for the Scotch Creek water system in the North Shuswap. Effective Thursday, August 6, 2026, residents must boil all water for at least one minute before consumption or use bottled water. This measure is due to high turbidity levels caused by increased runoff. All-clear (CFJC Today, 03.09.2026, 23:30): The boil water notice was rescinded on Tuesday, September 1, after testing confirmed water safety. The notice was originally issued on July 24, following a water quality advisory that had been in place since July 8.
Boil water advisory in New Liskeard continues
Northeastern Public Health (NEPH) issued a boil water advisory for the Hessle Avenue, McKelvie Street, Haynes Crescent and Byam Avenue areas of New Liskeard. The advisory was issued on July 27 and remains in effect until further notice.
Officials at 5 Wing Goose Bay Issue Boil Water Advisory
Officials at 5 Wing Goose Bay in Happy Valley-Goose Bay, Newfoundland and Labrador, issued an immediate boil water advisory on July 15, 2026, due to a water outage. All residents and workers on the base must boil water for at least one minute before consumption. The advisory will remain in effect until water samples return to normal.
Boil water advisory remains in effect for parts of RM of Stanley
The RM of Stanley has issued a Boil Water Advisory for residents on parts of Road 15 North, Road 28 West, Road 14 North, and Provincial Road 432, effective July 15th, 2026. This precautionary measure was taken following a break in the water line, advising residents to boil water or use bottled water for drinking and food preparation.