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Evidence Reviews

We produce evidence reviews based on our assessments of needs and gaps in evidence-based environmental health practice and policy. We also work with researchers and environmental public health students for reviews. These documents are peer-reviewed and the content is the responsibility of the authors.

Identifying and Addressing the Public Health Risks of Splash Parks

Topics: Recreational Water, Water Location: General, Canada

Splash parks, also known as splash pads, spray parks, or wet decks, have gained in popularity over the last decade. These interactive parks are artificially created depressions or basins into which water is sprayed, splashed or poured onto visitors; water is not permitted to accumulate, but instead drains immediately out of the play area. Splash parks may take one of two basic designs, which...

PDF icon Identifying_Addressing_Public_Health_Risks_Splash_Parks_Aug_2017.pdf

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Float Tanks: Considerations for Environmental Public Health

Floatation refers to a meditative activity in which users float in a high-density Epsom salt solution in a dark, quiet environment. Because float tanks are distinct from swimming pools and other recreational water, questions have been raised regarding the need for and efficacy of various disinfection methods. Although direct evidence is lacking, pathogen kill assays and field studies from...

PDF icon Float_Tanks_Considerations_EPH_July_2016.pdf

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Float Tanks: Review of Current Guidance and Considerations for Public Health Inspectors

The growing popularity of “floatation” and the ways in which this practice differs from the use of pools and spas have raised interesting questions in environmental public health. Public health agencies in the US and Canada have taken very different approaches to the classification and regulation (or non-regulation) of these facilities. Continuing engagement amongst environmental...

PDF icon Float_Tanks_Review_Current_Guidance_July_2016.pdf

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

Topics: Drinking Water, Water Location: General, Canada

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...

PDF icon Community_Water_Fluoridation_Feb_2014.pdf

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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...

PDF icon Shock_Chlorination_Wells_Nov_2013.pdf

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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...

PDF icon SDWS_Water-borne_EN.pdf

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