A study investigating the presence of pharmaceuticals in rivers within National Parks has identified the River Ouse in South Downs National Park as being significantly impacted.
The research, conducted by the University of York and the Rivers Trust, detected medications in over fifty river sites across England.
Notably, Metformin, which is used to treat type 2 diabetes, was found in the highest levels in the River Ouse.
Professor Alistair Boxall, from the University of York’s Department of Environment and Geography explained that most work on pharmaceutical pollution in the UK has focused on urban rivers. This study is unique as it explores areas where we might expect low levels of pollution and we have shown that this is not the case.
He said: “Given the unique ecological value of these protected areas, our research highlights that the presence of these pharmaceuticals is concerning. Our National Parks are true hotspots for biodiversity and essential for our physical health and mental well-being - so we need to act swiftly to protect these irreplaceable environments and ensure the health of wildlife and visitors alike.”
The study calls for a multi-pronged approach to address the problem. Professor Boxall is asking the government, local authorities and the water industry to work together to improve monitoring in national parks, for further investment in treatment technologies to protect rivers in the National Parks, and further exploration of the potential impact of pharmaceuticals on the health of park ecosystems.
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