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United Utilities is upgrading its Clitheroe wastewater treatment plant to significantly reduce raw sewage spills in East Lancashire. The investment is part of a £13.5 billion program, with £2.5 billion designated for storm overflow reductions.

The facility employs advanced technologies, including AI, to monitor incoming water and enhance treatment processes, particularly focusing on phosphorus removal. This initiative aims to protect over 500 km of rivers and lakes. The company emphasizes public education on flushing only approved items to mitigate blockages and improve efficiency.