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Water


Promoting health through safe drinking and recreational water, including small drinking water systems.

Document

Review of Guidelines for Shock Chlorination in Private Wells (UBC Bridge Program)

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 microbial well testing, voluntary measures most often performed by the homeowner. However, infrequent testing and paucity of research assessing the effectiveness of shock chlorination guidance as...

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Understanding microbial indicators for drinking water assessment - revised

Boil water advisories are issued when water testing detects higher than accepted amounts of microbial indicators or when there are deficiencies with water treatment. The fear of not issuing a boil water advisory when there is truly a health risk associated with water consumption can lead water operators to call for boil water advisories as a precautionary measure. Yet, issuance of boil water...

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Finding Safe Drinking Water in an Emergency

Video Transcript Disasters can cause disruption to water supplies affecting homes, businesses and public services. Are you prepared for a water emergency?  This video will teach you how to access safe drinking water in an emergency. The recommended emergency water supply for drinking, cooking, washing and other needs is four liters per person per day for at least three days. An emergency water...

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Cyanobacteria and Drinking Water: Occurrence, Risks, Management and Knowledge Gaps for Public Health

With warming temperatures due to climate change and increased nutrient loads to freshwater systems, the occurrence of harmful algal blooms, largely associated with toxin-producing cyanobacteria, is expected to increase across Canada. While cyanoblooms have affected Canadian waterbodies for many years, the potential to negatively impact drinking water supplies is considered an emerging area of...

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March 2018 Environmental Health Research Scan

Full Scan  The attached PDF version of the Research Scan has over 100 references and is broken into over 30 categories. Editor’s Picks After searching through the dozens of articles referenced in the scan, our librarian picks the ones she feels may be especially interesting to our stakeholders.  Her “Editor Picks” for March 2018 include: Wildfires, emergency preparedness, and the importance of...

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April 2018 Environmental Health Research Scan

Full Scan The attached PDF version of the Research Scan has over 100 references and is broken into over 30 categories. Editor’s Picks After searching through the dozens of articles referenced in the scan, our librarian picks the ones she feels may be especially interesting to our stakeholders.  Her “Editor Picks” for April 2018 include: The built environment: Understanding how physical...

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February 2018 Environmental Health Research Scan

Full Scan The attached PDF version of the Research Scan has over 100 references and is broken into over 30 categories. Editor’s Picks After searching through the dozens of articles referenced in the scan, our librarian picks the ones she feels may be especially interesting to our stakeholders.  Her “Editor Picks” for February 2018 include: A review of the experimental evidence on the...

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January 2018 Environmental Health Research Scan

Full Scan The attached PDF version of the Research Scan has over 100 references and is broken into over 30 categories. Editor’s Picks After searching through the dozens of articles referenced in the scan, our librarian picks the ones she feels may be especially interesting to our stakeholders.  Her “Editor Picks” for January 2018 include: Adverse effects after medical, commercial, or self-...

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Irrigating Food Crops with Water Containing Cyanobacteria Blooms

Primary inquiry: Small horticulture growers have been watering their crops with surface water containing a cyanobacterial bloom, before selling their crops at local markets. Can irrigation of food crops using surface water affected by cyanobacteria blooms result in bioaccumulation of cyanotoxins in these crops? Can cyanotoxins bioaccumulate to a concentration that might cause a public health...

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Cyanobacteria in Freshwater

What are cyanobacteria? Are cyanoblooms preventable? Who is at risk and how does exposure occur? Is there testing for cyanotoxins? This NCCEH document provides a brief outline of these key questions related to cyanobacteria and the toxins they produce.

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Community Water Fluoridation in Canada – Trends, Benefits, and Risks (University of Guelph Master of Public Health Program)

Fluoride has been added to public drinking water in Canadian communities since the 1940s as a means of preventing tooth decay. Dental fluorosis is a known adverse effect of excessive fluoride exposure during tooth formation. Fluorosis ranges from barely noticeable whitish striations in the enamel to severe pitting and brownish staining. In general, the prevalence of dental fluorosis in...

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Water-borne Disease Outbreaks in Canadian Small Drinking Water Systems

Information about Canadian drinking water systems and past water-borne disease outbreaks is incomplete and non-standardized. Standard definitions and coordinated surveillance systems for water-borne disease outbreaks would help inform policy and practice. A relatively high proportion of past water-borne disease outbreaks in Canada are estimated to have occurred in small drinking water systems...

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Workshops Presentations

Retrospective Investigation of Drinking Water-related Illnesses in Canada

NCCPH Small Drinking Water Systems Project

Update on the NCCPH Small Drinking Water Systems Project

Update on the NCCPH Small Drinking Water Systems Project

Update on the NCCPH Small Drinking Water Systems Project

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Event

World Water Day

World Water Day 2020 is about water and climate change – and how the two are inextricably linked.

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

This webinar will present the updated Guideline for Canadian Drinking Water Quality on cyanobacterial toxins. It will discuss the recommended approaches to responding to potential risk from these toxins in Canadian drinking water sources. Proposed updates to guidance on dealing with cyanobacteria in recreational water sources will also be presented. This webinar is presented by the Water Quality...

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Threats to Drinking Water and Public Health in Alaska: The Scope of the PFAS Problem, Consequences of Regulatory Inaction, and Recommendations

On this call, Alaska Community Action on Toxics (ACAT) will discuss their new report, Threats to Drinking Water and Public Health in Alaska: The Scope of the PFAS Problem, Consequences of Regulatory Inaction, and Recommendations, the first comprehensive look at PFAS contamination of drinking water sources in Alaska. They will highlight how decades of use of PFAS-containing firefighting foams has...

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Legionella Management and Treatment

Presentation 1— Public Water System Characteristics That May Affect Legionella Occurrence in Building Water Systems (Presented by Ken Rotert, EPA's OW). This presentation will highlight EPA's efforts to reduce Legionella risks through regulatory revisions, treatment technologies, and research on premise plumbing. An overview of public health impacts, challenges to addressing Legionella in...

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American Public Health Association (APHA) - Drinking Water and Lead Service Lines: Partnering to Protect Public Health

Lead exposure contributes to cognitive impairments, behavioral problems and lowered IQ. While there is no safe level of lead exposure, lead can be found in dust in our homes, air, soil, and drinking water. Lead service lines are the largest source of lead in drinking water - with an estimated 6-10 million lead service lines bringing water to taps across the U.S. Following the tragedy in Flint,...

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