Good hydration is crucial in preserving health and productivity. Policies are in place to make sure everyone stays hydrated.
Here are some of the links that refer to hydration and workplace safety:
CANADA
Canada Occupational Health and Safety Regulations
ONTARIO
Ontario Occupational Health & Safety Guideline 33
"The Ontario Health and Safety Act (OSHA) defaults to Article 25 (C) for this issue which states “Employers have a duty under section 25(2)(h) and supervisors under section 27(2)(c) of the Occupational Health and Safety Act to take every precaution reasonable in the circumstances for the protection of a worker. This includes developing hot and cold environment policies and procedures to protect workers in hot and cold environments.”
CANADA - NATIONAL DEFENCE
Facts on fluids: How to stay hydrated