contamination

John Snow Questions for High School Students

John Snow Questions for High School Students

John Snow Questions (High School) 1. How old was John Snow when he began to work as an apprentice for Dr. Hardcastle? 2. How many people died in the 1831-1832 cholera epidemic in all of Europe? 3. Define miasma theory and germ theory.

Lesson 4: Water Treatment Practices

Lesson 4: Water Treatment Practices

The students will look at five water treatment processes and identify the effectiveness, practicality and applicability of each. Students will also examine other methods that influence water quality and treatment methods, including education, funding, rights and treaty rights.

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.

New Orleans Case Study

New Orleans Case Study

The city of New Orleans, Louisiana was one of the areas devastated by Hurricane Katrina in August 2005. The bustling city was flooded as the levees protecting the city failed. The flood waters filled the streets with almost every imaginable type of contamination. Fuel, chemical, and biological products combined to make what some people referred to as a “toxic soup”.

Walkerton Case Study

Walkerton Case Study

In May 2000, a waterborne disease outbreak occurred in Walkerton, Ontario. Over 2,300 people became ill and seven people died as a result of E. coli 0157:H7 and Campylobacter jejuni contamination in their drinking water. An inquiry was called to determine how the water had become contaminated and if charges should be laid against those directly involved with the treatment of water.

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.