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Steve Wallace - Groundwater Under the Direct Influence of Surface Water
Part 1 Part 2 Part 3 Part 4 Part 5 Part 6
Review of Guidelines for Shock Chlorination in Private Wells
November 14, 2013
Microbial contamination of groundwater from private wells can pose a significant health risk to rural Canadians. To mitigate risk, Health Canada currently recommends shock chlorination along with…
[ARCHIVED] Safe Drinking Water (2009)
May 3, 2009
[This content has been archived. We archive content that is dated 10 years or older or content with rapidly evolving evidence or guidance that is now out of date (e.g., COVID-19). If you have…
Small drinking water systems and private wells
December 10, 2021
The definition and regulatory oversight of small drinking water systems (SDWS) across Canada varies by provincial and federal jurisdictions. A small system may be defined by size, or by who owns and…
Hydraulic fracturing for the production of shale gas
December 15, 2016
Hydraulic fracturing (also termed “fracking”) is the process used, along with horizontal drilling, to extract unconventional natural gas (shale gas, tight gas or coalbed methane) and tight oil from…
Drinking water guidelines and governance
March 25, 2020
The provision of safe drinking water across Canada is a responsibility shared across many agencies. At the federal level, Health Canada sets Drinking Water Guidelines for contaminants in drinking…
[ARCHIVED] Chlorination Disinfection By-Products in Drinking Water
December 30, 2008
[This content has been archived. We archive content that is dated 10 years or older or content with rapidly evolving evidence or guidance that is now out of date (e.g., COVID-19). If you have…
Health risks associated with sea level rise
December 7, 2022
This report is part 2 of 4 from the NCCEH/CLIMAtlantic “Sea level rise and public health implications” project. Please see the full project description and companion reports here. Key…
Keeping Drinking Water Safe: New Guidelines for PFAS in Canada
March 13, 2019
What are PFAS? Per- and Polyfluoroalkyl Substances, or PFAS, represent a large group of synthetic chemicals that have been in use since the 1950s in industry and consumer products as water, stain,…
Wading through the mire: Keeping up with new and changing Canadian Drinking Water Guidelines
September 19, 2019
Changes to Canadian Drinking Water Guidelines Over the past year there have been nine new consultations and announcement of eleven new or updated Canadian Drinking Water Guidelines. Keeping up with…