Welcome To Our Site

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The Union Water Supply System provides drinking water to approximately 65,000 residents within the municipalities of Essex, Kingsville, Lakeshore and Leamington in Southwestern Ontario.
Please take a few minutes to explore our site. Thank you for visiting www.unionwater.ca

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Free Chlorine Secondary Disinfection

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The UWSS will be temporarily switching from chloramination to free chlorine for its secondary disinfection process until January 31, 2020.  This will cover all of the UWSS service area, which includes the Municipality of Leamington, the Town of Kingsville, and

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Recent News

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Canadian Water and Wastewater Association- Lead in Drinking Water

With the recent media release regarding lead in drinking water the Canadian Water and Wastewater Association (CWWA) provides relevant information on lead and additional sources for residents to educate themselves on the topic. For further reading please feel free to

11/05/2019
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Data to Identify Climate Change Related Infrastructure Vulnerabilities

The Union Water Supply System (UWSS) Infrastructure Vulnerability Assessment using the Engineer’s of Canada PIEVC protocol is featured as one of the case studies in this report. The report looks at the population served, weather conditions, temperatures and identified potential

11/01/2019
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July Board Meeting

Please be advised that the July UWSS Board meeting has been moved to July 31st for 9am in the Board Room of the Ruthven Water Treatment Plant.

07/12/2019
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