Chlorine in water EVERYWHERE. Water treatment using chlorine is a common practice for municipalities and pool owners around the world so are the health and safety risk inherent in such ubiquitous use. Chlorine is an effective disinfectant, killing or inactivating harmful bacteria and viruses. However, it is important to be aware of the health and safety risks associated with chlorine-based water treatment, as chlorine is a hazardous chemical.

In 2013, Calgary experienced its largest flood since 1932, resulting in significant financial losses and property damage across southern Alberta.