In 2000 the small township of Walkerton Ontario witnessed the largest outbreak of E.Coli infections in Canada's history. The water utility claimed the town water was safe, but it wasn't and many people paid with their lives.
With John Chidgey.

Links of potential interest:

• Walkerton Ontario
• Toronto Ontario
• Walkerton E. coli Outbreak
• Death On Tap: The Poisoning Of Walkerton (Google Text-only Cache)
• The Walkerton Inquiry Report
• Heavy Rainfall and Waterborne Disease Outbreaks: The Walkerton Example
• Factors That Led To The Walkerton Tragedy
• Walkerton Death Toll Revised
• Ontario Pays $72M To Victims Of Walkerton
• The Walkerton Tragedy
• Inside Walkerton: Canada’s Worst-ever E. coli Contamination
• Walkerton Water Crisis Follow-up
• Town Finds Crisis Sharply Painful
• Walkerton 2 years later
• Walkerton Water Declared Safe To Drink
• Definition of Incompetent
• Grandfather Clause

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Episode Gold Producer: 'r'.
Episode Silver Producers: Carsten Hansen, John Whitlow, Joseph Antonio and Kevin Koch.

With thanks to Jon Paul for the topic suggestion.