Can both a mains and a borehole supply be connected to the property?
Current water supply regulations require that protection must be provided against backflow into a mains water system. This can be achieved by either a total permanent disconnection from the mains water supply or a complete separation of the mains from the borehole supply with no means of interconnection and with both supplies being clearly labelled or an air gap system complying with Section 6 of the Water Supply (Water Fittings) Regulations 1999.
