Water supply and sanitation in the UK is provided by a small number of water and sewage companies. To ensure customers receive the best services and that the environment is protected, there are a wide range of organisations, including regulators and watch dogs, which oversee and regulate them. Due to the importance of the services and the limited number of providers, it is also one of the most heavily regulated industries in the UK. Not all water utility companies provide water, drainage and sewage services, but for the 11 that do, they are subject to oversight and regulatory reporting by the Drinking Water Inspectorate (DWI), the Environment Agency (EA), Natural England (NE) and the economic regulator, the Water Services Regulation Authority (Ofwat). One of the larger utility companies ma

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