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Consumer complaint of illness highlighting an inadequate approach to maintenance by the owner
This case study relates to a small supply serving 11 domestic dwellings, five of which are rented. The source is a borehole surrounded by pastureland grazed by domestic livestock (sheep) and the supply is disinfected with chlorine. The local authority sampled from one of the properties after receiving a complaint from the tenant about the […]
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The implications of not establishing that a laboratory is accredited and using only an approved or authorised method of analysis
This case study relates to a spring source, which provides the water supply to a food premises (cheese manufacturer). The supply is not treated. A planned sample, collected by the local authority, was reported as being positive for E.coli. As part of the investigation, the local authority reviewed the original risk assessment and noted that […]
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Prohibition of disconnection and securing the sufficiency of private supplies
This case study relates to a relatively large supply serving five houses and a holiday park with more than 100 chalets. Ownership of the chalets is mixed; private individuals own some chalets, either as permanent homes or as commercial or holiday lets, other chalets are owned and let out by a holiday park company. Occupancy […]
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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 […]