Health Canada drinking water guidelines and guidance documents

Health Canada continues to be active with requests for public comment on proposed drinking water guidelines and guidance documents. At present, there are 4 of these with due dates for comments in the next three months. I’ve listed them below along with the due dates for comments. Each is linked to the Health Canada website with PDF format documents which can be downloaded.

Estimates of healthcare utilisation and deaths from waterborne pathogen exposure in Ontario, Canada

The study estimated the disease burden attributable to nine enteric pathogens, unspecified pathogens leading to gastroenteritis, and three opportunistic pathogens leading primarily to respiratory illness.

MDPI Webinar- Sewage Screening as an Early Outbreak Alert Tool and SARS-Covid-2 Fate in the Aquatic Environment

There are COVID-19 (SARS-CoV-2) webinars almost weekly. While this one also has a wastewater focus, there will be some information on the fate of the virus in the aquatic environment.

Available for review and comment: Background document for microcystin

Draft revised background document for microcystin is now available for review. The documents will also inform the revision of the Guidelines for Safe Recreational Water Environments. Comments are welcome by April 17, 2020 to the following e-mail address:

Coronavirus Research Update – Webcast March 12, 3:30pm EDT

Water Research Foundation free 1.5 hour webcast on coronavirus “with technical details, resources, and published public health recommendations as we continue to learn more about this ongoing outbreak.”

Multiple Sources of the Outbreak of Legionnaires’ Disease in Genesee County, Michigan, in 2014 and 2015-during Flint lead crisis

A community-wide outbreak of Legionnaires’ disease (LD) occurred in Genesee County, Michigan, in 2014 and 2015. Previous reports about the outbreak are conflicting and have associated the outbreak with a change of water source in the city of Flint and, alternatively, to a Flint hospital. OBJECTIVE: The objective of this investigation was to independently identify relevant sources of Legionella pneumophila that likely resulted in the outbreak.

By |2020-01-16T13:14:57-05:00January 16th, 2020|Drinking Water, Pathogens, Regulations, Water Treatment|0 Comments

Management of Legionella in Water Systems (2019)

The National Academies of Science, Engineering, and Medicine were asked by the U.S. Centers for Disease Control and Prevention (CDC), the U.S. Department of Veterans Affairs (DVA), the U.S. Environmental Protection Agency (EPA), and the Alfred P. Sloan Foundation to address the state of the science with regard to Legionella including its ecology, disease diagnosis, amplification within water systems, quantification, prevention and control, policy and guidance, and all associated research needs.

Cyanobacteria and their toxins in Canadian waters: guidelines from Health Canada Webinar

Health Canada is hosting a webinar entitled “Cyanobacteria and their toxins in Canadian waters: guidelines from Health Canada” on Jan 13 presenting the updated Guideline for Canadian Drinking Water Quality on Cyanobacterial Toxins.

By |2019-12-19T13:38:03-05:00December 19th, 2019|Drinking Water, Pathogens, Regulations, Water Treatment|0 Comments

For Public Review and Comment: Canadian Groundwater Quality Guidelines–101 contaminants

The Canadian Council of Ministers of the Environment (CCME) is looking for input into the draft Canadian Groundwater Quality Guidelines for the Protection of Environmental and Human Health for 101 contaminants of concern. It is available for public review and comment until January 10, 2020.