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Full Breakdown

Water Crisis in Tunbridge Wells: A Foreseen Failure

1/6/2026, 9:58:46 PM

Overview of the Incident

A significant water supply crisis in Tunbridge Wells, Kent, left approximately 24,000 households without drinking water for two weeks starting from November 30, 2022. The crisis was triggered by a failure at the Pembury Water Treatment Centre, which was exacerbated by a lack of proper testing and infrastructure issues. Residents faced not only a complete loss of water supply but also a subsequent boil water notice, rendering tap water unsafe for consumption and hygiene.

Key Figures and Responses

David Hinton, the chief executive of South East Water (SEW), faced intense scrutiny during a select committee hearing. He acknowledged the crisis as a "failure" and expressed his commitment to addressing the network's resilience issues. Hinton attributed the problem to a coagulant chemical that ceased functioning effectively, which he claimed was an unexpected failure due to changes in raw water chemistry. He also cited increased demand from lifestyle changes during the COVID-19 pandemic and the impact of climate change as contributing factors.

Marcus Rink, chief inspector at the Drinking Water Inspectorate (DWI), criticized SEW for not conducting adequate testing and for failing to implement necessary safety measures. He stated that the company had been "flying blind" and had not utilized electronic systems to monitor water quality effectively.

Criticism and Opposition

The response from SEW has been met with significant criticism. MPs highlighted Hinton's inadequate communication during the crisis, with calls for his resignation. Local MP Mike Martin criticized Hinton's leadership and expressed concern over the company's failure to provide timely assistance to vulnerable residents, including those with medical needs. Additionally, the local business improvement district estimated a £20 million loss in revenue due to the water supply issues, a figure SEW disputed, offering only £2.5 million in business compensation.

Infrastructure and Regulatory Challenges

The DWI has noted that SEW has been under an enforcement notice due to previous contamination risks. Rink pointed out that the regulatory framework lacks sufficient mechanisms to impose further sanctions on the company following the crisis. Hinton argued that the reliance on a single water supply source for Tunbridge Wells increased vulnerability, emphasizing the need for updated infrastructure standards.

What's Next

SEW is currently working to enhance the resilience of the water supply system, including plans to connect Tunbridge Wells to the Bewl Water Treatment Works, expected to be completed by 2028. This initiative aims to mitigate the risks associated with having a single point of supply.

Verbatim Quotes

  • “It shouldn’t have been a surprise,” — Marcus Rink, Chief Inspector, Drinking Water Inspectorate
  • “I'm deeply sorry to the customers, it's a terrible outcome, I'm just trying to explain the circumstances.” — David Hinton, Chief Executive, South East Water
  • “Customers relying on a single asset are always more at risk than those that aren’t so until infrastructure standards are updated that will be the case.” — David Hinton, Chief Executive, South East Water
  • “We have got a number of learnings that we are absolutely committed to putting in place.” — David Hinton, Chief Executive, South East Water