Published June 21, 2022

Boil water advisory in Cookstown: Lab results expected in 1 to 2 days

Water main break prompted advisory

UPDATE from the Simcoe Muskoka District Health Unit

The Simcoe Muskoka District Health Unit has issued a boil water advisory (BWA) for the Town of Cookstown following a recent water main break. Repairs are underway. This advisory is in effect until further notice and will be lifted once the safety of the water has been confirmed by laboratory tests. It is anticipated that these results will be available in the next 1-2 days.  

Drinking water directly from the tap is not safe at this time and can result in illness. Those most at risk include the elderly, the very young, and people with weakened immune systems.Residents are advised to boil their water before use or, as an alternative, use bottled water or commercially treated water from an approved source. Bottled water is available for those residents impacted by the boil water advisory at the Cookstown Fire Station (23 King St. N.).

To prepare your water for use, bring water to a rolling boil for at least one minute. Allow it to cool before:

  • drinking
  • brushing teeth or rinsing dentures
  • preparing food, wash fruits, vegetables, and other food
  • preparing infant formula
  • making ice, beverages, or other mixes, and
  • washing dishes: wash dishes with soap and water, rinse them and then sanitize them in a separate sink with a capful of bleach mixed with a sink full of clear water

This advice also extends to drinking water for pets.

Adult, teens and older children can use water that has not been boiled for baths and showers. Small children can be given sponge-baths. Do not swallow any water used for showers or baths. It is safe to do laundry with the water.

Hand hygiene is important for preventing the spread of germs and should continue during the BWA:


  • Use an alcohol-based hand rub for hands that are not visibly soiled.
  • If hands are visibly soiled, clean them with a disposable wet wipe, then follow with an alcohol-based hand rub.
  • If disposable hand wipes are not available, hands should be washed with water and soap, dried, and then followed with an alcohol-based hand rub. 

For more information on safe drinking water during a BWA visit or call Health Connection at 705-721-7520 or 1-877-721-7520 weekdays from 8:30 a.m. to 4:30 p.m.


News release from the Town of Innisfil

Due to a water main break near 4161 Hwy 89, Cookstown, ON L0L 1L0, residents within an affected area (see attached map) are being advised to boil their water. This is a precautionary measure while InnServices Utilities Inc. conducts repairs and completes the necessary bacteriological testing. Water in Cookstown will be shut off for approximately one hour to facilitate these repairs.

InnServices Utilities Inc. Water Operations Department has been issued a boil water advisory for the areas by the local Medical Officer of Health for the Simcoe Muskoka District Health Unit. The advisory remains in effect until further notice. It will be lifted once the safety of the water has been confirmed by laboratory tests.

The Simcoe Muskoka District Health Unit is responsible for issuing water advisories and as such InnServices Utilities Inc. is working cooperatively with them throughout this process

Image supplied - Town of Innisfil

Health Unit staff are contacting schools, long-term care, child care and day care, retirement homes and food premises in the affected areas.

Residents should use an alternate water supply or boil their water at a rolling boil for a least one minute before drinking, gargling, brushing teeth or rinsing their mouth; making baby food or formula; washing dishes; washing fruits, vegetable and other food; or making any meals, drink or ice.

For more information about drinking water advisories, visit or call 705-721-7520.

Updates will be shared with local media and posted on the InnServices Utilities Inc. Facebook page ( Twitter (, InnServices website ( and Town of Innisfil website (

Banner image - South Simcoe Police/ @SouthSimcoePS

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