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Our focus is clear: to protect and enhance the environment, reduce pollution incidents year on year, and deliver the high-quality, reliable service our customers expect.
Our Pollution Incident Reduction Plan 2026 outlines our performance over 2025 and sets out how we’re tackling the root causes of pollution across our region. Over 2026, we will be investing in smarter technologies, strengthening our root cause analysis capability, and embedding proactive, data-driven interventions that target pollution risks before they become events.
All of this work is part of our £1 billion investment programme to 2030 to reduce impacts to the environment. This includes investments in improving our monitoring, so we can predict and prevent pollutions and spills before they happen.
2026 marks the first year that Pollution Incident Reduction Plans across the water sector are a statutory requirement. We will publish our updated plan annually, in line with regulatory expectations and the Water (Special Measures) Act 2025.
Blockages were the main driver of pollutions in 2025, with around 80% linked to the improper disposal of unflushables and fats, oils and grease. Alongside our preventative maintenance programme, we are continuing to work closely with customers and businesses to address these behaviours at source. Through our Just Bin It campaign and partnership with ECAS, we are driving greater awareness and encouraging responsible disposal to reduce blockages and prevent the pollutions they cause.