drinking water contamination

Lesson 5: Cases of Contamination

Lesson 5: Cases of Contamination

The students will look at four recent waterborne illness outbreaks in Canada and the United States. They will use the knowledge from the two previous classes to explain the outbreaks and elaborate on questions regarding the outbreaks.

Milwaukee Case Study

Milwaukee Case Study

Milwaukee receives its water from Lake Michigan. The origin of the contamination was found to be sewage that passed through the plant’s filtration system. Where the sewage came from is still unknown but it might have been run off from a farm or feed lot.

Contamination Case Studies Presentation

Contamination Case Studies Presentation

When Water Goes Bad: A look at four cases of water contamination Let's look at 4 cases from Canada and the US. Milwaukee, WI - Cryptosporidium outbreak; North Battleford, SK - Cryptosporidium outbreak; New Orleans, LA - E. coli, cholera, fecal coliforms; Walkerton, ON - E. coli contamination

A Tale of Two Communities Presentation

A Tale of Two Communities Presentation

The drinking water for the community is drawn downstream from where the sewage is pumped out. The community had been on a Boil Water Advisory for 2 years prior to 2005. Over 1,000 people had to be evacuated from the community for medical treatment.