Department for Environment, Food & Rural Affairs

Water Supply (Water Fittings) Regulations 1999
Guidance Document relating to
Schedule 1: Fluid Categories and
Schedule 2: Requirements For Water Fittings
[See Regulation 4(3)]

SECTION 5

Schedule 2: Paragraph 14: Prevention of cross connection to unwholesome water

  1. (1) Any water fitting conveying-
    1. rain water, recycled water or any fluid other than water supplied by a water undertaker; or
    2. any fluid that is not wholesome water; shall be clearly identified so as to be easily distinguished from any supply pipe or distributing pipe.

    (2) No supply pipe, distributing pipe or pump delivery pipe drawing water from a supply pipe shall convey, or be connected so that it can convey, any fluid falling within sub-paragraph (1) unless a device for preventing backflow is installed in accordance with paragraph 15.

Guidance

Colour coding of pipelines

G14 1   Pipes and cisterns conveying and holding water that is not wholesome should be marked or colour coded in accordance with BS 1710

G14.2   Any pipe conveying rainwater, recycled water or any other water from a source other than the water undertaker is not to be connected to any pipe carrying wholesome water supplied by the the water undertake unless a suitable backflow prevention device or arrangement is installed in accordance with the requirements of paragraph 15.

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Published 22 December 1999
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