🇨🇦Drinking water alerts in Canada

Live alerts, maps and reports on drinking water quality in Canada. Aggregated regularly from official sources.

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Boil water advisory

Boil Water Advisory in Scotchfort, Abegweit First Nation

A Boil Water Advisory was issued for the Scotchfort Public Water System in Abegweit First Nation on September 10, 2026. Residents are advised to boil water before consumption. The advisory is currently active.

Abegweit, Atlantic, Canada

12/09/2026, 23:41

Boil water advisory· Microbiological

City responding to water main break, boil water advisory issued

The City of Kenora has issued a boil water advisory following a water main break. Residents in the affected area are advised to boil all water before consumption. This measure is a precautionary step due to potential contamination.

Kenora, Canada

12/09/2026, 23:20

Yesterday

Lifted· Microbiological· Limit exceeded

Cyanobacteria Bloom Advisory for Astotin Lake

An advisory for Cyanobacteria Bloom has been issued for Astotin Lake, Alberta. This measure has been in effect since June 29, 2026.

Astotin Lake, Alberta, Canada

11/09/2026, 23:26

Boil water advisory

Boil water advisory issued for Rankin Inlet, Nunavut

The Nunavut Department of Health issued a boil water advisory for the community of Rankin Inlet on Tuesday, September 8, 2026. This advisory was put in place as a safety measure while repair work to the utilidor, an underground network of pipes, is underway. Residents are advised to bring all water to a rolling boil for one full minute before consumption until further notice.

Rankin Inlet, Nunavut, Canada

11/09/2026, 21:25

This week

Boil water advisory· Microbiological

Boil water advisory issued for Sambaa K'e

The Northwest Territories' chief environmental health officer has issued a boil water advisory for the community of Sambaa K'e. This is due to the local water treatment plant being temporarily offline for cleaning its raw water reservoir, causing untreated lake water to be used for domestic purposes. Residents are advised to bring all water meant for consumption to a rolling boil for at least one minute.

Sambaa K'e, Northwest Territories, Canada

10/09/2026, 23:40

Chemical contamination

Update on Cobden Drinking Water System - Sept. 10, 2026

The Whitewater Region has issued an update regarding the Cobden Drinking Water System, addressing ongoing concerns about discoloured water. Residents are advised that further details regarding this situation are available in the linked PDF document from September 10, 2026.

Cobden, Whitewater Region, Canada

10/09/2026, 23:40

Lifted· Boil water advisory· Microbiological

Boil-water advisory in place on N.S.-P.E.I. ferry for over a month

Ein Abkochgebot ("boil-water advisory") ist auf der MV Confederation Fähre in Kraft, die zwischen Wood Islands, P.E.I., und Caribou, N.S., verkehrt. Die Anordnung wurde am 9. Juli 2023 erteilt, nachdem Wassertanks positiv auf Kolibakterien getestet wurden, wobei Wasserqualitätsprobleme bereits seit April bestanden. Das Unternehmen, Northumberland Ferries Limited, führt eine Superchlorierung der Wassertanks durch und vermutet die Kontamination in St. John's, N.L., beim Verlassen des Trockendocks. Update (CBC News, 10.09.2026, 23:55): Bottled water was initially offered. The advisory remains active until two consecutive clear test results are received.

MV Confederation ferry, Prince Edward Island, Nova Scotia, Canada

2 sources10/09/2026, 23:25

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Boil water advisory· Microbiological

Boil water advisory issued for Sambaa K’e, N.W.T.

Der Chef-Umwelthygieniker der Northwest Territories hat eine Abkochempfehlung für die Gemeinde Sambaa K’e erlassen. Dies geschieht, während die Wasseraufbereitungsanlage der Gemeinde aufgrund der Reinigung ihres Rohwasserreservoirs vorübergehend außer Betrieb ist, wodurch unbehandeltes Seewasser für häusliche Zwecke verwendet wird. Bewohner müssen jegliches Wasser, das zum Verzehr bestimmt ist, mindestens eine Minute lang sprudelnd kochen.

Sambaa K’e, Northwest Territories, Canada

10/09/2026, 13:35

Lifted· Boil water advisory· Microbiological

Water Conservation Directive and Boil Water Advisory Issued for Users of the Inverness Water System

The Municipality of Inverness County issued a water conservation directive and a boil water advisory for all users of the Inverness water system. This action was taken on September 9, 2026, following a water main break near Central Avenue and Park Street, which caused a loss of pressure in the waterline. The precautionary advisory will remain in effect until water quality testing confirms the water is safe for consumption. All-clear (yourquadcounties.ca, 10.09.2026, 23:30): The boil water advisory and voluntary water conservation orders for the Inverness water system were lifted, effective September 10 at 13:30.

Inverness, Inverness County, Canada

5 sources09/09/2026, 23:25

Lifted· Chemical contamination· Limit exceeded

Do Not Consume Advisory for ADAMS COVE

The municipality of ADAMS COVE has a Do Not Consume advisory in effect since August 10, 2025. This advisory means the water is unsafe for drinking, cooking, or brushing teeth, even after boiling, due to potential severe contamination.

ADAMS COVE, Newfoundland and Labrador, Canada

09/09/2026, 23:21

Boil water advisory· Microbiological

Boil Water Advisory issued for Little Burnt River Water Co-Op

Alberta Health Services (AHS) hat am 3. September 2026 ein Abkochgebot für die Little Burnt River Water Co-Op erlassen. Die Maßnahme ist aufgrund einer Entdruckung im Wassersystem infolge eines Wasserleitungslecks erforderlich. Bewohner und Unternehmen im Versorgungsgebiet zwischen dem Municipal District of Fairview und Clear Hills County werden aufgefordert, Wasser vor jeglichem Verzehr mindestens eine Minute lang sprudelnd zu kochen oder abgefülltes Wasser zu verwenden. Das Abkochgebot bleibt bis auf Weiteres in Kraft.

Fairview, Alberta, Canada

2 sources09/09/2026, 13:20

Lifted· Boil water advisory· Microbiological

Public Notice: Water Boil Order

Effective as of Thursday, August 13, 2026, a boil water order has been issued for the Bonavista Water Supply based on advice from Service NL. Residents are advised to boil all water for at least one minute prior to use for drinking or other ingestible activities. Officials are working to resolve the issue, and the order will remain in effect until further notice.

Bonavista, Canada

07/09/2026, 11:35

Lifted· Boil water advisory· Microbiological

BOIL WATER ADVISORY REMAINS IN EFFECT

A Boil Water Advisory remains in effect for residents in Clinton, British Columbia, reminding them to boil tap water before use for drinking, brushing teeth, food preparation, and infant formula. The advisory came into effect on July 25, 2026, and will continue until further notice, requiring water to be brought to a rolling boil for at least one minute. All-clear (watereport.com, 09.09.2026, 11:30): The Boil Water Advisory has been lifted. It was automatically marked as resolved on September 6, 2026, without an official all-clear from local authorities.

Clinton, British Columbia, Canada

2 sources05/09/2026, 23:35

Older

Lifted· Boil water advisory· Microbiological

Boil water advisory issued for residents and businesses west of Mattagami River bridge in Timmins

Residents and businesses west of the Mattagami River Bridge in Timmins, affecting the Mountjoy area, are under a precautionary boil water advisory. This follows a watermain break that caused a loss of water pressure. The advisory will remain in effect until the City of Timmins obtains two consecutive sets of satisfactory water samples. All-clear (City of Timmins, 09.09.2026, 23:20): The precautionary boil water advisory issued on September 2, 2026, has been lifted. Required water sampling confirmed safety standards, reviewed by the City and Northeastern Public Health. Update (City of Timmins, 12.09.2026, 21:25): The advisory was jointly issued by the City of Timmins and Northeastern Public Health. Residents are instructed to boil water for at least one minute for drinking, making infant formula, brushing teeth, washing raw foods, or making ice.

Timmins, Ontario, Canada

4 sources02/09/2026, 21:31

Lifted· Boil water advisory

Hudson’s Hope issues water quality advisory as it moves to new equipment

The District of Hudson's Hope has issued a water quality advisory due to the transition to newly installed equipment at its water treatment plant. Residents may experience temporary fluctuations in water pressure and minor changes in water clarity or appearance. As an added precaution, immunocompromised individuals, infants, and older people are advised to boil their drinking water during this period.

Hudson’s Hope, British Columbia, Canada

01/09/2026, 23:30

Lifted· Boil water advisory· Microbiological

Boil Water Advisory for North Bench residents and businesses

Interior Health hat eine Abkochempfehlung für das von einer Wasserleitungsunterbrechung am 31. August 2026 betroffene Gebiet in Golden herausgegeben. Betroffen sind die Goldenview Road, Lafontaine Road, Gareb Road, Pine Drive, Deere Ridge Road, Granite Drive, Quartz Crescent und Golden Donald Upper Road. Diese Maßnahme wurde aufgrund der potenziellen mikrobiologischen Belastung nach der Infrastrukturstörung ergriffen.

Golden, Canada

01/09/2026, 23:25

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Lifted· Boil water advisory· Microbiological

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.

La Sarre, Canada

31/08/2026, 09:30

Lifted· Boil water advisory· Microbiological

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.

Saint-Lin-Laurentides, Canada

30/08/2026, 21:20

Lifted· Boil water advisory· Microbiological

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.

Weedon, Quebec, Canada

30/08/2026, 13:30

Lifted· Boil water advisory· Chemical contamination

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.

Greater Vernon, North Okanagan, Canada

5 sources29/08/2026, 17:25

Lifted· Microbiological· Limit exceeded

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.

Leduc County, Alberta, Canada

29/08/2026, 00:01

Lifted· Microbiological· Limit exceeded

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.

Provost, Alberta, Canada

29/08/2026, 00:00

Lifted· Chemical contamination· Limit exceeded

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.

Osoyoos, British Columbia, Canada

2 sources28/08/2026, 23:55

Lifted· Boil water advisory· Microbiological

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.

Ashfield-Colborne-Wawanosh, Huron County, Canada

3 sources28/08/2026, 23:30

Boil water advisory· Microbiological· Limit exceeded

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.

Lafontaine, Tiny Township, Canada

28/08/2026, 23:30

Lifted· Boil water advisory· Microbiological

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.

Cross Lake Band of Indians, Manitoba, Canada

3 sources28/08/2026, 16:16

Lifted· Boil water advisory· Microbiological

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.

Mabou, Inverness County, Canada

2 sources28/08/2026, 15:50

Lifted· Boil water advisory· Microbiological

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.

Lheidli T’enneh First Nation, Canada

27/08/2026, 23:25

Lifted· Boil water advisory· Microbiological

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.

Elliot Lake, Algoma District, Canada

5 sources27/08/2026, 23:25

Chemical contamination· Limit exceeded

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.

Smithers, Canada

27/08/2026, 01:05

Lifted· Boil water advisory· Microbiological

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.

ALGOMA MILLS, Ontario, Canada

27/08/2026, 00:30

Lifted· Boil water advisory· Microbiological

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.

Fauquier, British Columbia, Canada

2 sources27/08/2026, 00:30

Lifted· Boil water advisory· Microbiological

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.

Saskatoon, Canada

5 sources26/08/2026, 23:35