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| The '''Walkerton ''E. coli'' outbreak''' occurred in May 2000 when '']'' bacteria contaminated the ] of the small community of ], ]. As a result, seven people died and thousands were sickened. | The '''Walkerton ''E. coli'' outbreak''' occurred in May 2000 when '']'' bacteria contaminated the ] of the small community of ], ]. As a result, seven people died and thousands were sickened. | ||
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| ==Description of events== | |||
| At the time of the event in May 2000, Stan Koebel was utilities manager and Frank Koebel was water foreman for Walkerton. Neither had any formal training in this position, retaining their jobs through three decades of on-the-job experience. The water supply, drawn from ], became contaminated with the highly dangerous ] strain of '']'' bacteria.<ref>. Tracy McLaughlin , ''The Globe and Mail''.</ref> This contamination was due to farm runoff into an adjacent ] that had been known for years to be vulnerable to ]. | |||
| Starting 11 May 2000, many people of the community of about 5,000 people began to simultaneously experience bloody ], gastrointestinal infections and other symptoms of ''E. coli'' infection. For days the Walkerton Public Utilities Commission insisted the water supply was "OK" despite being in possession of laboratory tests that had found evidence of contamination. On 21 May, an escalation in the number of patients with similar symptoms finally spurred the region's Medical Officer of Health, Murray McQuigge, to issue a ], warning residents not to drink the tapwater. | |||
| The five people who died directly from drinking the ''E. coli''-contaminated water might have been saved if the Walkerton Public Utilities Commission had admitted to contaminated water sooner, and about 2,500 became ill. An experimental drug in ], Synsorb Pk, was used to treat 19 children on compassionate grounds under ]'s Special Access Program.<ref>{{cite journal|title=August News and Events|journal=Clinical Infectious Diseases|year=2000|volume=31|issue=2|url=http://cid.oxfordjournals.org/content/31/2/i.full|accessdate=1 June 2012|doi=10.1086/512433|pages=i}}</ref> | |||
| During the time of the tragedy, both Stan and Frank Koebel denied any wrongdoing and firmly held that the water at Walkerton was safe to drink. However, as the tragedy grew in severity the two were eventually part of the criminal investigation into the tragedy, and, as a result, both would eventually plead guilty to a charge of ] through a ]. In their plea, they admitted to falsifying reports and Frank admitted to drinking on the job, as a beer fridge did exist at the facility.<ref name="CBC-in-depth"> Reference for the preceding three paragraphs: ''CBC News in Depth: Inside Walkerton:Canada's worst-ever E. coli contamination''</ref> | |||
| They were both formally sentenced on December 21, 2004, with Stan receiving one year in jail and Frank Koebel nine months of house arrest. Reaction to their sentencing was mixed. | |||
| No provincial government politician was charged or found guilty of wrongdoing in setting the policies that resulted in this tragedy. As law professor Bruce Pardy notes, "Policy development is not subject to tort liability."<ref>{{cite journal|last=Pardy|first=Bruce|title=Seven Deadly Sins of Canadian Water Law|journal=Journal of Environmental Law and Practice|year=2004|volume=13|url=http://law.queensu.ca/facultyAndStaff/facultyAndStaffDirectory/pardy/selectedPublications/sevenDeadlySins.pdf|accessdate=17 June 2013}}</ref> | |||
| ==Aftermath== | ==Aftermath== | ||
Revision as of 18:48, 28 April 2015
The Walkerton E. coli outbreak occurred in May 2000 when Escherichia coli bacteria contaminated the water supply of the small community of Walkerton, Ontario, Canada. As a result, seven people died and thousands were sickened.
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Aftermath
The Ontario Clean Water Agency was put in charge of the cleanup of Walkerton's water system.
An inquiry, known as the Walkerton Commission led by Court of Appeal for Ontario Associate Chief Justice Dennis O'Connor, wrote a two-part report in 2002. Part 1 was released in January 2002. The Walkerton Report, Part One, described events in the community and a series of failures, both human and systemic, that led to contamination of the water supply. The report made recommendations based on the circumstances of the tragedy. It estimated that the Walkerton water tragedy cost a minimum of C$64.5-155 million and laid much of the blame at the door of the Walkerton Public Utilities Commission:
The Walkerton Public Utilities Commission operators engaged in a host of improper operating practices, including failing to use adequate doses of chlorine, failing to monitor chlorine residuals daily, making false entries about residuals in daily operating records, and misstating the locations at which microbiological samples were taken. The operators knew that these practices were unacceptable and contrary to Ministry of Environment guidelines and directives.
The Ontario government of Mike Harris was also blamed for not regulating water quality and not enforcing the guidelines that had been in place. The water testing had been privatized in October 1996.
Part 2 of the report made many recommendations for improving the quality of water and public health in Ontario. Part Two discussed water safety across the province and the steps needed to prevent similar tragedies. It made ninety-three recommendations. All of its recommendations have been accepted by succeeding governments of the province. The recommendations have also influenced provincial policies across Canada.
Key recommendations touched on source water protection as part of a comprehensive multi-barrier approach, the training and certification of operators, a quality management system for water suppliers, and more competent enforcement. In Ontario, these requirements have been incorporated into new legislation.
The lessons learned from this incident were described by Kim Vicente in his book The Human Factor.
A 2005 CBC Television docudrama called Betrayed was based loosely upon the Walkerton tragedy.
In 2001 a similar outbreak in North Battleford, Saskatchewan caused by the protozoan Cryptosporidium affected at least 5,800 people.
Progressive Conservative MPP Lisa Thompson stated in 2014 that the regulations put in place after the inquiry have done nothing but increase costs for municipalities and called for a reduction in water-quality testing regulations while increasing enforcement.
See also
References
- ^ Walkerton Report, Part 1. January 2002
- ^ Walkerton Report, "Part 2: Report of theWalkerton Inquiry: A Strategy for Safe Drinking Water" May 2002
External links
- Contamination: The Poisonous Legacy of Ontario's Environmental Cutbacks. History and context of the tragedy.
- Background article from the CBC
- Water Science and Technology article
- CBC Digital Archives - Death on tap: The poisoning of Walkerton
- The Walkerton Commission Reports
- Genetic Risk Markers for IBS Found in Walkerton Study, Toronto Star, January 28, 2010.
- Genetic Risk Factors for Post-Infectious Irritable Bowel Syndrome Following a Waterborne Outbreak of Gastroenteritis, Gastroenterology, Monday March 5, 2010.
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