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November 15, 2016
Health Information Advisory – drinking water systems

Annual reminder regarding fluoride and sodium levels in drinking water for some communities

Oxford County Public Health is issuing an annual reminder to residents about levels of fluoride and sodium in some of the County’s drinking water systems. The presence of fluoride and sodium may present health considerations for some residents.


In this year’s Health Information Advisory, municipal drinking water in Brownsville, Ingersoll, Lakeside and Tillsonburg show fluoride levels above the recommended level of 1.5mg/L. This may put children under six years of age at risk for dental fluorosis (discolouration of the teeth). Households with children under six in these communities should use bottled water for baby formula, and cutback on other sources of fluoride, like using non-fluoride toothpaste.

Read the full Health Information Advisory


Sodium levels in drinking water are only a concern for individuals on a sodium-restricted diet. This includes people with kidney disease, heart disease, high blood pressure or liver disease. These residents should speak with their physician or health care provider about how sodium in the water may affect their health. Communities with sodium levels that range above the recommended level of 20mg/L include: Bright, Brownsville, Embro, Ingersoll, Norwich, Otterville, Springford, Thamesford, Tillsonburg and Woodstock.

Read the full Health Information Advisory

Oxford County’s 17 municipal drinking water systems are monitored 24/7 to ensure its safety and quality. In 2015, Oxford County Public Works treated and supplied 11.6 million cubic metres of drinking water.


Peter Heywood, Program Manager of Health Protection, Oxford County Public Health & Emergency Services

“Municipal drinking water in Oxford County is safe, thanks to the around the clock monitoring and testing to ensure its quality. However, people also need to be aware of some of the naturally occurring minerals that could have health implications for certain demographics, or those with ongoing health challenges. We want residents to have the most current information to help them make the right decisions for their health.”


Oxford County Public Health began issuing Health Information Advisories in 2013, following feedback from residents who wanted to receive regular updates about their drinking water. Under Ontario’s Safe Drinking Water Act, Public Health already notifies health professionals and the community whenever water testing results require public education. The Health Information Advisories help reaffirm the safety of municipal drinking water systems while raising awareness about the health considerations of some residents.

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About Oxford County

Located in the heart of southwestern Ontario, Oxford County has a population of approximately 111,700 people across eight municipalities that are “growing stronger together” through a partnership-oriented, two-tier municipal government incorporated as the County of Oxford. Oxford County is emerging as a leader in sustainable growth through the Future Oxford Community Sustainability Plan and County Council’s commitment to achieving 100% renewable energy by 2050 and becoming a zero waste community. Situated in one of Ontario’s richest areas for farmland, agriculture forms a cornerstone of the County’s economy, which boasts 55,000 jobs in a rapidly expanding commercial and industrial sector bolstered by its location at the crossroads of Highways 401 and 403. The County offers a thriving local arts, culture and culinary community, as well as conservation parks, natural areas and more than 100 kilometres of scenic trails. The Oxford County Administration Building is located in Woodstock. Visit or follow our social media sites at Oxford County’s Strategic Plan is at


Adam Nyp | Strategic Communication & Engagement

519.539.9800, ext. 3529 ê

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