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Drinking Water

Image of person drinking waterDrinking water in England and Wales is generally of a very high quality. If you have a problem with your drinking water you should contact the water company to which you pay your water rates.

There are currently three water companies that provide water within the borough of Elmbridge:

Enquiry and emergency numbers are listed under "water" in your telephone directory.

|The Drinking Water Inspectorate (DWI) publish information about the country's drinking water quality and also provide free leaflets which can also be obtained from the water companies listed above.

Private Water Supplies

In general terms a private water supply is any water supply which is not provided by a water company. It is not a mains supply. The water may come from a variety of sources, such as a spring, well, borehole, pond or stream.

Private Water Supply Regulations 2009

Private water supplies vary in size. The Regulations refer to the following 4 supplies:

  • Large supplies - any private water supply that provides an average daily volume of water of 10m3 or more (or supplies 50 persons or more) or supplies water to a premises where the water is used for a commercial activity or to a public premises
  • Small Supplies - any private supply that provides less than 10m3/day (or supplies less than 50 persons) to 2 or more dwellings where the supply is only used for domestic purposes (there is no commercial or public activity).
  • Private Distribution Systems - Where water is supplied by a water undertaker or licensed water supplier (i.e. mains water) and then distributed by a person other than a water undertaker or licensed water supplier to other buildings/properties on site. Guidance on what constitutes a Private Distribution System is available from the |Drinking Water Inspectorate.
  • Other Supplies - Any private water supply that provides water to only 1 dwelling (referred to as a 'single dwelling'). These are excluded from the requirements set out in the Regulations.

Our responsibilities

The Regulations place a duty on every Council to:

  1. Maintain a |Public Register of all Private Water Supplies in the borough.
  2. Provide the Drinking Water Inspectorate (DWI) with relevant information about each private water supply and its quality in the borough each year.
  3. Monitor all private water supplies in the borough (except supplies to single dwellings)
  4. Carry out a risk assessment of each private water supply in the borough (except supplies to single dwellings) at least every 5 years. The Council is permitted to charge for carrying out Risk Assessments. For further information on the charges, |contact the Council's Food and Safety Team.

For further information on the Private Water Supply Regulations 2009 visit the |Drinking Water Inspectorate website.

If you believe your obtain your water from a Private Water Supply (other than a single dwelling supply) |contact the Council's Food and Safety Team for further information.


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