Where companies fail to meet their obligations, we have enforcement powers under the Water Industry Act 1991. To secure compliance and change behaviour we can obtain legally binding undertakings and impose enforcement orders. For the most serious contraventions we can impose financial penalties on companies.
Enforcement cases
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Tideway – undertaking under section 19 for breach of licence
28 April 2023
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Investigation into Yorkshire Water in relation to inter-company loans with one of its associated businesses
13 October 2022
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Investigation into whether Thames Water is contravening obligations in its Licence and the Wholesale Retail Code
6 December 2021
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Investigation into Wessex Water's compliance with its transfer pricing obligations
1 July 2021
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Investigation into whether Thames Water is contravening the Wholesale Retail Code
27 July 2020
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Investigation into Southern Water’s wastewater treatment sites and the company’s reporting of relevant compliance information to us
10 October 2019
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Southern Water - section 19 undertaking
10 October 2019
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Investigation into Thames Water’s failure to meet its leakage performance commitments
8 August 2018
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Thames Water: sewer flooding
22 July 2014