Across Britain, around 840 billion litres of water are used each year, supplied by 28 water companies (including the water and sewerage companies).

This topic focuses on the EU and UK legislation that describes the large number of drinking water quality standards which the UK Government has applied to water supplied or intended for human consumption. These apply to both public and private supplies of drinking water and cover biological, chemical, appearance and taste parameters.

This topic also describes the regulation of private water supplies and bottled water.

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