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

Revised background documents are ready for review for the cyanotoxins anatoxin-a, cylindrospermopsin and saxitoxin-WHO Guidelines for drinking water quality

The World Health Agency (WHO) has developed some background documents for cyanotoxins which will be included in the second addendum to the fourth edition of the WHO’s Guidelines for Drinking-water Quality and is looking for comments by Jan 12, 2020.

By |2019-12-13T09:26:53-05:00December 12th, 2019|Drinking Water, Papers & Articles, Regulations|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.

Revised World Health Organization drinking water guidelines

Hi all…do you want to know how guidelines/standards in your jurisdiction compare to those of the WHO? Well the WHO has recently revised several drinking water related guidelines and they are all available for free download as indicated below. And on the topic of drinking water guidelines, Health Canada has one active request for public [...]

By |2019-08-15T11:01:59-04:00February 27th, 2017|Papers & Articles, Regulations|0 Comments

USEPA Contaminant Candidate List 4 (CCL 4) finalized

The USEPA’s Contaminant Candidate List 4 (CCL 4) was finalized November 17, 2016. The CCL is a list of contaminants that are currently not subject to any proposed or promulgated national primary drinking water regulations, but are known...

By |2019-05-14T10:45:39-04:00December 20th, 2016|Emerging Contaminants, Regulations|0 Comments

USEPA Releases Lead and Copper Rule Revisions White Paper

Hi all…The USEPA recently released its Lead and Copper Rule Revisions White Paper. The goals of the LCR revisions are to identify new strategies to further reduce lead and copper exposure, as corrosion control treatment may not be effective enough in all drinking water systems. The 18 page document is available for free download at: [...]

By |2019-08-15T13:52:34-04:00November 8th, 2016|Papers & Articles, Regulations|0 Comments