Do Not Drink Water Advisory

Issued: When authorities suspect or have confirmed the presence of unacceptable levels of chemical contaminants in the drinking water supply that can pose health risks if ingested.

Instructions: DO NOT drink water from the affected water supply or use it for food preparation. USE an alternate source of safe drinking water, such as bottled water.

Why: Boiling will not remove contaminants.

You can still: Take a shower (except toddlers and young children), wash clothes.

Example: Presence of chemical contaminants in the drinking water supply.


The Eastern Ontario Health Unit has prepared templates to assist owners and operating authorities of drinking water systems during a drinking water advisory. In the event of a do not drink water advisory, you can download the templates below and adapt/modify them according to your needs.  You can use the templates below to prepare a public notice, poster/sign, press release, email, web content or any other material you require. Please note that the areas in grey are fields that need to be replaced with the information specific to your advisory.