Archives
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Effective application of the private supply regulations to benefit tourism and the local economy
A scheduled compliance sample from a small commercial supply was reported as containing E.coli. The local authority issued boil water advice in a Regulation 18 Notice while they carried out a Regulations 15 investigation by bringing forward the Regulation 6 risk assessment of the supply. The private supply served four dwellings used as holiday lets. […]
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Use of Environment Agency data to inform audit monitoring
This small borehole supply is located in grazing land for dairy cattle and serves two domestic dwellings and a milking parlour. The supply is disinfected with chlorine before distribution to all the properties on the site The supply has a record of satisfactory microbiological results, although historically only a limited chemical analysis was carried out […]
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Best practice in relation to co-regulation of drinking water safety at premises by water companies and local authorities
This case study relates to an estate serving approximately 30 consumers in a mixture of domestic and commercial premises including owner-occupied and rented property, offices and two food premises. The estate was included in the local water company’s compliance monitoring programme because some of the premises appeared on the company’s billing record. A random tap […]
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Spring supply to a holiday cottage – benefit of risk assessment
The subject of this case study is a small supply serving a domestic dwelling and a holiday cottage. The source is a spring surrounded by pasture land grazed by domestic livestock (cattle and sheep). Water is collected in a chamber and piped to each dwelling where it is treated by UV. A planned annual sample […]
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Spring supply to rented property – risk assessment and Notice
This water supply serves six dwellings; five of which are rented out and the sixth is occupied by the landlord. The source is a lowland shallow spring with no treatment. Spring water is pumped from a collection chamber to a relatively new storage tank serving all of the properties. A risk assessment was carried out […]
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Arsenic in the supply to a holiday cottage – technical support and advice
This small supply serves 3 holiday cottages and one domestic dwelling was sampled under the previous 1991 regulations because of its use for commercial purposes. The source is a borehole and the well maintained supply is disinfected by means of a common ultraviolet (UV) system. Under the previous regulations samples were not analysed for arsenic […]
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Failure of a borehole supply serving rented property
This case study relates to a borehole supply serving an estate of 23 domestic dwellings, four of which are owner-occupied, but the majority (19) are rented. The volume of water used each day is estimated at 40m3 making this a large supply (Regulation 9). The borehole is deep and lined, and the head is above […]
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Failure of a borehole supply serving a public building
The subject of this case study is a borehole supply serving a public building which is a visitor attraction for children and families (an open farm with a café) and residential properties. When the local authority carried out check and audit monitoring under the new private water supply regulations, a sample of drinking water from […]
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Surface water supply to a public building with accommodation – Risk assessment
This large supply serves a small group of residential educational centres, holiday cottages and an office, and therefore it is classed as a large supply (Regulation 9). There is one land owner, but several different owners of premises. Up to 160 people may be using the accommodation at any one time. The supply originates from […]
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Spring supply serving a bed and breakfast business – mandatory action
This case study relates to a small supply serving five domestic properties. Spring water is collected in a common chamber from where it flows into intermediate chambers and then to loft storage tanks in each of the properties. Local authorities have five years (by 2015) to risk assess small domestic supplies and this supply had […]
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Small domestic surface water supply – Risk assessment and Notice
The supply in this case study is a small supply that serves two domestic dwellings. The dwellings are owner occupied, but the land where the source is located is owned by the local authority and the distribution network crosses Forestry Commission land. Unlike many small supplies, in this case there was a history of annual […]