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UK Landfills Flood Risk: Toxic Waste Threat
2 Dec
Summary
- Thousands of old UK landfills are in floodplains, risking toxic waste release.
- Climate change increases flood risk, washing pollutants into environment.
- EU lacks central landfill data, making risk assessment difficult.

Thousands of landfills in the UK and Europe, many established before modern pollution controls, are located in floodplains. With climate change intensifying floods and erosion, there's an escalating risk of toxic waste, including plastics, metals, and chemicals like PFAS, contaminating water sources and environments. This continent-wide mapping effort highlights fragmented and inaccessible data from member states, making it difficult to pinpoint hazardous sites.
Experts warn that the lack of centralized records and consistent categorization of these sites presents a "worst possible scenario." While most landfills may pose a low risk, a small number containing highly toxic substances could have severe consequences for groundwater, surface water, and the food chain. Over 61,000 landfills have been identified in Europe, with a significant portion in flood-vulnerable areas, and over 4,000 historic landfills in England and Wales are unlikely to have pollution controls.
Coastal erosion and storm surges also pose threats, with hundreds of landfills identified in coastal zones. Additionally, over 2,000 European landfills are located within protected conservation areas. The issue is compounded by illegal waste dumping, a growing problem across Europe. Authorities are working to improve data collection and risk assessment for these historic sites, emphasizing the need for financial investment to manage these environmental threats.




