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We have resources on dozens of important environmental health topics presented in various forms including Evidence Reviews, Evidence Briefs and Research Scans, Subject Guides, Blogs, Webinar Recordings, and Videos and Tools. Please see this page for more information concerning these document types. Browse the topics and discover what is available.
Cyanobacteria in freshwater
July 19, 2023
Cyanobacteria, commonly referred to as blue-green algae, are naturally occurring photosynthetic bacteria found in lakes, rivers, brackish, and marine waters. Cyanobacteria can pose a hazard to people…
Red tides and health risks for recreational water users
September 15, 2022
Photo credit: Pacific Salmon Foundation, Citizen Science Oceanography Program. Marine algal blooms are natural global phenomena caused by elevated concentrations of phytoplankton cells appearing as…
Pools, hot tubs, and other treated recreational water venues
July 20, 2022
Public swimming pools, hot tubs, splash parks, wading pools, and other treated recreational water facilities are regulated at the provincial or territorial level with respect to design, construction…
Recreational coastal, freshwater, and other untreated natural waters
July 20, 2022
Recreational waters such as oceans, lakes, rivers, and their associated beaches, attract large numbers of users engaging in primary contact activities (e.g., swimming, water skiing, surfing, paddle…
Backyard swimming pool rentals: Making a splash with some environmental public health risks
March 2, 2022
In 2018 a California start-up company developed a website allowing private backyard pool rentals to members of the public. Similar to the concept of other types of short-term rentals, homeowners can…
Environmental factors associated with freshwater recreational water quality in Toronto and Niagara
April 1, 2021
Poor recreational water quality poses a risk of acute gastrointestinal illness (AGI) to beach goers engaging in water activities. In Canada, the concentration of Escherichia coli (E. coli) is…
Splash parks: Understanding the risk and implementing better practice
April 23, 2017
This presentation was delivered at the 83rd CIPHI National Annual Education Conference and was created in conjunction with Chris Russell an Environmental Health Specialist from the BC Interior Health…
Identifying and addressing the public health risks of splash parks
August 15, 2017
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…
[ARCHIVED] Pool chlorination and closure guidelines
March 1, 2011
[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…