Southern Water caused 29,494 sewage overflows in the South East of England in 2023, impacting Isle of Wight and Romsey & Southampton North.

Southern Water caused 29,494 sewage overflows in the South East of England in 2023, with the Isle of Wight and Romsey & Southampton North among the worst affected areas. The company polluted the Isle of Wight 3,865 times, lasting 4.44 years, and Romsey & Southampton North 699 times, lasting 1.38 years. The Solent is the most polluted area by Southern Water, ranking 16th in rivers with the most sewage overflow.