• Regulation 9 Supply Undertaking Maintenance

    This case study involves a Regulation 9 supply in the south of England which feeds a large city department store. The store comprises several restaurants and multiple points where customers and staff can consume the water. The supply consists of three abstraction boreholes and the water is treated by a sand filtration system, reverse osmosis […]

  • Rainwater harvesting private water supply

    This case study concerns a private supply which uses rainwater as the source. The supply feeds an ‘off grid’ eco centre, which is used as an educational centre and hosts events such as weddings. The supply is classed as a Regulation 9 supply as the centre is used by members of the public. A rainwater […]

  • Prosecution for non-compliance of Regulation 18 Notice

    This case study concerns a supply to a salad growing nursery in the south east of England. This is one of a number of such nurseries, which formed the basis of previous case studies in the Chief Inspector’s reports of 2015 and 2016, which detailed the wider issues and associated disputes between the parties concerned. […]

  • Long standing water quality contamination

    In October 2018, Inspectors met with representatives from a local authority in North Wales to provide advice in relation to mitigating some long-standing water quality risks associated with a Regulation 9 private supply in their area. This supply is derived from a stream, located about a mile from the properties supplied and had a history, […]

  • Section 80 Notice appeal

    In March 2018, a rural community in south west England, which is supplied by a Regulation 9 private water supply, experienced a loss of water and periods of insufficiency. The source of the supply is a spring supply that passes through an Ultra Violet (UV) disinfection unit before serving approximately 14 properties. The supply was […]

  • Private water supply dispute and disconnection threat

    This case study concerns a private water supply which originates from a well and supplies a house, and a downstream rented property constituting a Regulation 9 supply. Occupants of the downstream property believe that their supply of water is granted by a “Deed of Easement” dated 1973 which entitles them to a free supply of […]

  • Change of supply for long-term remediation

    This case study concerns another example of a high risk private water supply at a salad growing nursery in south east England. In this instance the water was again derived from ground water sources and consumed by owners and migrant workers for domestic purposes, as well as used for watering crops. The supply was risk […]

  • Investigation of unusual taste and odour

    This case study concerns a Regulation 9 supply which is located off the coast of southern England. The supply serves an hotel from a single borehole and undergoes filtration, UV treatment and chlorination. The location of the borehole means that local authority’s regulatory monitoring and risk assessment obligations can be logistically challenging it can only […]

  • Unsubstantiated report of illness from consumption of a private supply

    In June 2017, the Inspectorate received a contact from a consumer reporting that she had suffered diarrhoea and other long-term affects after consuming water from a restaurant in a popular tourist spot whilst on holiday in the preceding month. Whilst dining at the restaurant she was informed by staff that the water was sourced from […]

  • Water quality affected by external quarrying activities

    In November 2014, a local authority in the north of England received complaints from consumers experiencing discoloured water from a spring fed private supply which they believed was the consequence of quarrying activities in the local catchment. In April 2015, the local authority served both a Regulation 18 Notice (on the basis that they believed […]

  • Dispute between relevant persons on a large Regulation 8 supply

    This case study concerns a complex Regulation 8 supply on a large and historic military site, the owner of which is a water company customer that further distributes water from the public supply to consumers located on one of many parcels of land that have been sold off over many years. These parcels of land […]

  • Faecal contamination of a supply

    This case study concerns a Regulation 9 supply which feeds an estate encompassing nine residential properties and a commercial unit which has a coffee shop supplying drinks to members of the public. The supply consists of a single borehole, nitrate removal by ion exchange and an automated chlorination system. Water is pumped to a covered […]