Did you know?
In 2000, in Walkerton, Ontario, seven people died and 2,500 became ill due to waterborne pathogens that originated from a contaminated well and entered their drinking water.
Environment Canada. "Threats to sources of drinking water and aquatic system heath in Canada." National Water Research Institute Scientific Assessment Report Series No. 1., Minister of Public Works and Government Services, Canada, 2001. Burlington, Ontario.