Paragraph 4: Maintenance and operation of facilities

The water supply installations referred to in article R. 1321-43 must be designed, built and maintained in such a way as to prevent the introduction or accumulation of micro-organisms, parasites or substances constituting a potential danger to human health or likely to cause a deterioration in the quality of the water intended for human consumption distributed, such that the requirements set out in articles R. 1321-2 and R. 1321-3 are…

The owner of the internal water distribution network mentioned in 3° of article R. 1321-43 draws up, at his own expense, an assessment of the risks associated with the internal water distribution installations and a monitoring system for the internal installations distributing water intended for human consumption, the procedures for drawing up and implementing which are defined by an order of the Minister for Health and the Minister for the…

The networks and installations defined in 1° and 2° ofarticle R. 1321-43 must be cleaned, rinsed and disinfected before being put into service or put back into service. The person responsible for producing or distributing the water must ensure that these operations are effective and that the quality of the water is maintained before it is put into service for the first time and after any operation likely to cause…

The internal networks mentioned in 3° of article R. 1321-43 may not, unless the Prefect grants an exemption, be supplied with water from a resource that has not been authorised in application of article L. 1321-7. They must not, as a result of the conditions in which they are used, particularly in the event of backflow, be able to disrupt the operation of the network to which they are connected…

The piezometric height of the water distributed by the indoor networks mentioned in 3° of article R. 1321-43 must, for each network and at any point where it is made available, be at least equal to three metres at peak consumption time. When the networks serve buildings with more than six storeys, pressure boosters and pressure tanks complying with the provisions of article R. 1321-55 may be used. The provisions…

It is forbidden to use internal water pipes to earth electrical appliances.

Tanks and storage tanks fitted to the indoor networks referred to in 3° of article R. 1321-43 must be maintained and checked as often as necessary and at least once a year.

The protection and treatment devices mentioned in articles R. 1321-53 and R. 1321-57 fitted to collective distribution systems must be checked and maintained. An order issued by the ministers responsible for health and construction, after consulting the Agence nationale de sécurité sanitaire de l’alimentation, de l’environnement et du travail, defines the frequency and procedures for checking and maintaining protective devices.