Engineering:Sewage discharge in the United Kingdom

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A December 2023 pollution warning in Portsmouth following overflow releases by Southern Water.

The issue of sewage discharge in the United Kingdom has attracted legal, media and political attention. UK water companies periodically release sewage into rivers and coastal waters, leading to health warnings on recreational beaches. This is permitted during heavy rainfall as the sewage system exceeds capacity, but some companies have been suspected of illegally dumping on dry days. The Environment Agency subsequently launched criminal investigations into several companies. The introduction of stricter legislation has been debated in parliament. Southern Water was fined £90m in 2021 and Thames Water was fined £3.4m in 2023 for illegal dumping.

Sewage discharge

The United Kingdom has a combined sewage system, meaning rainwater and wastewater are discharged through the same pipes. During heavy rainfall, this system's capacity can be exceeded, leading to water companies discharging sewage into rivers and lakes.[1][2] Some water companies also have been suspected of illegally discharging on dry days.[3] Sewage discharge has led to health warnings at popular recreational beaches.[4]

According to unpublished data presented to the high court, raw sewage was released 372,533 times over 2.7 million hours in 2021 and 301,000 times over 1.75 million hours in 2022.[5]

Investigations and industry responses

In 2021, Southern Water pled guilty and was fined a record £90m for deliberately dumping raw sewage into the ocean because it was cheaper than treating it.[6][7] Between 2010 and 2015, Southern Water illegally released sewage on 6,971 occasions at 17 sites in Hampshire, Kent and West Sussex.[8] The investigation was the biggest undertaken by the Environment Agency in its history.[7]

In 2023, Water UK issued an apology for sewage discharge and announced a £10bn plan to modernise the Victorian-era sewage system,[9] whilst Thames Water was fined £3.4m.[5] The Environment Agency also launched a criminal investigation into all water companies.[1]

Political responses

In 2022, a proposed amendment to the Environment Bill was defeated 265 to 202 votes by members of parliament. This change would have made explicit that water companies must ensure raw sewage is not discharged.[10] In April 2023, Shadow Secretary of State for Environment, Food and Rural Affairs Jim McMahon from the Labour Party pushed for a debate and vote in the House of Commons for a proposed Water Quality (Sewage Discharge) Bill, which would introduce automatic fines to water companies for the practice. The bill failed to garner support from the Conservative Party.[11]

See also

  • Environmental issues in the United Kingdom

References

  1. ↑ 1.0 1.1 "Why is sewage released into rivers and the sea?" (in en-GB). BBC News. 23 August 2022. https://www.bbc.com/news/explainers-62631320. 
  2. ↑ Marshall, Michael (7 August 2023). "Sewage crisis: The truth about British rivers and how to clean them up" (in en-US). https://www.newscientist.com/article/mg25934510-200-sewage-crisis-the-truth-about-british-rivers-and-how-to-clean-them-up/. 
  3. ↑ "Water firms illegally spilled sewage on dry days – data suggests" (in en-GB). BBC News. 5 September 2023. https://www.bbc.com/news/science-environment-66670132. 
  4. ↑ "People warned to avoid 83 UK beaches because of raw sewage dumped nearby" (in en). 16 March 2023. https://www.independent.co.uk/travel/news-and-advice/uk-beaches-raw-sewage-warning-b2301186.html. 
  5. ↑ 5.0 5.1 Laville, Sandra; Horton, Helena (4 July 2023). "Water firms discharged raw sewage 300,000 times last year, court hears" (in en-GB). The Guardian. ISSN 0261-3077. https://www.theguardian.com/environment/2023/jul/04/thames-water-fined-33m-for-pumping-sewage-into-rivers. 
  6. ↑ "Southern Water in court for polluting coastlines with raw sewage". 6 July 2021. https://www.itv.com/news/meridian/2021-07-06/southern-water-in-court-for-polluting-kent-and-sussex-coastlines-with-raw-sewage. 
  7. ↑ 7.0 7.1 Laville, Sandra (6 July 2021). "Southern Water dumped raw sewage into sea for years" (in en-GB). The Guardian. ISSN 0261-3077. https://www.theguardian.com/environment/2021/jul/06/southern-water-dumped-raw-sewage-into-sea-for-years. 
  8. ↑ "Southern Water fined record £90m for dumping raw sewage" (in en-GB). BBC News. 9 July 2021. https://www.bbc.com/news/uk-england-kent-57777935. 
  9. ↑ "Water firms apologise for sewage discharges and vow to spend £10bn cleaning up their act" (in en). https://news.sky.com/story/water-firms-apologise-for-sewage-spills-and-splash-10bn-to-clean-up-their-act-12883075. 
  10. ↑ Chakelian, Anoosh (12 October 2022). "Did Tory MPs really vote to dump raw sewage in Britain’s rivers and seas?" (in en-US). https://www.newstatesman.com/environment/2022/10/which-conservative-mps-vote-sewage-dump-uk-rivers-seas. 
  11. ↑ "Labour push Commons vote to end sewage dumping" (in en). https://news.sky.com/story/labour-to-push-commons-vote-to-end-sewage-dumping-12865600. 

Template:United Kingdom water industry



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