Save money and the environment - Drink Tap Water Ottawa's tap water is rated amongst the safest in the world. Did you know 3L of water is used to package 1L of bottled water Days Valid: Monday-Sunday Date Printed: May 22, 2012 Conditions: It takes over 1.5million barrels of oil to meet the demand of US bottled water manufacturing. The Ottawa Riverkeeper 379 Danforth Avenue Ottawa, ON K2A0E1 (613) 555-5555