Drinking Water

Understanding lead in water and avoidance strategies: a United States perspective for informed decision-making

In this article, the authors indicate that they have developed an “oversimplified ‘lead in water equation’ to explain key variables controlling the presence of lead in drinking water to better inform public health practitioners, government officials, utility personnel, and concerned residents.”

By |2019-11-29T09:24:13-05:00November 29th, 2019|Drinking Water, Papers & Articles, 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.

USEPA Continues Progress Under PFAS Action Plan

The USEPA has come out with a news release on per- and polyfluoroalkyl substances (PFAS). Among other things is the announcement of five IRIS assessments (compounds named below) and the timing of the drinking water regulatory determination for PFOA and PFOS (by the end of this year).

By |2019-11-11T13:23:40-05:00November 11th, 2019|Drinking Water, Papers & Articles|0 Comments

Is Canada’s tap water safe? Thousands of test results show high lead levels across the country

A story on lead in drinking water appeared in the Toronto Star today and from what I understand has appeared or will appear on Global News TV outlets across the country as well.

By |2019-11-04T15:38:38-05:00November 4th, 2019|Drinking Water, Papers & Articles|0 Comments

‘So much is at stake’: Academics call for release of data behind controversial Canadian fluoride study

Hi all…a story on fluoride in today’s National Post may lead to inquires for drinking water providers. It is entitled “A study linking fluoride exposure in pregnancy to lower IQ scores in boys is unnecessarily frightening people into avoiding fluoridated water, researchers say.”

By |2019-10-30T11:08:51-04:00October 29th, 2019|Drinking Water, Papers & Articles|0 Comments

Two papers-Application of UV-LED to Full-Scale Drinking Water Disinfection—-UV LED Water Disinfection-Validation and Small System Demonstration

Two papers on full-scale/demonstration-scale evaluations of UV-LED for disinfection have been recently published (below). Both tested the world's first commercial UVC LED water disinfection reactor (the PearlAqua by Aquisense) and successfully demonstrated “proof-of-concept for the application of UVC LEDs for municipal water treatment.” UV LED technology continues to be a promising alternative to UV mercury lamp-based systems.

Sink to River – River to Tap – A review of potential risks from nano-particles & microplastics

Hi all…following up from the WHO report on microplastics that I recently circulated, the UK Water Industry Research Limited has just released a report entitled “Sink to River - River to Tap - A review of potential risks from nano-particles & microplastics.”

Microplastics in drinking water-new WHO report

Hi all…the WHO has released a lengthy report entitled ‘Microplastics in Drinking Water’. It is a good compilation of potential issues associated with microplastics and is available for free download. There is also an Information sheet: Microplastics in drinking-water which provides key messages and answers to some common questions. This may be even more useful than the report for some of you.

In 2000, Walkerton’s poisoned water ruined his life-He decided it was time to end it

In response to my recent emails dealing with waterborne disease outbreaks, I was directed to an article in the Toronto Star published in May 2018 which really got my attention. I think that as water professionals this is an article we should all read when we have a few minutes.

By |2019-08-01T14:37:07-04:00August 1st, 2019|Drinking Water, Papers & Articles|0 Comments

Guidance on the use of QMRA in drinking water and other Health Canada guidelines

Health Canada has been busy with new, reaffirmed, and proposed guidelines as well guidance documents this year. The latest is ‘Guidance on the use of quantitative microbial risk assessment in drinking water.’ It has been approved and is available for viewing/download.

By |2019-08-01T14:28:03-04:00July 30th, 2019|Drinking Water, Papers & Articles|0 Comments