Responsibility for inspecting water quality
James A Owen made this Environmental Information Regulations request to United Utilities Water PLC
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Dear United Utilities Water PLC,
Is the responsibility with you for the prevention of contamination of the potable water supply to active water outlets in a combined shopping centre, where many outlets have been unused for a number of years, leaving exceptionally long dead ends.
How often are checks made for contamination by Legionella , Escherichia Coli, Giardia Lamblia, Cryptosporidium and others, in the water you supply and where in the chain of supply are these checks made.
James A Owen
Thank you for your email on Thu Nov 12 2020 11:14:50 regarding your
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EMGateway3.uuplc.co.uk made the following annotations
Dear Mr Owen
Thank you for your request for information in relation to the prevention of contamination of the potable water supply to active water outlets and contamination checks which we received on 12 November 2020.
Your request has been considered under the Environmental Information Regulations 2004.
I can confirm with regard to the first part of your request the responsibility for the design, operation and maintenance of internal potable water distribution systems within public and commercial buildings lies with the owner of the building.
In relation to the second part of your request I can confirm that water companies are not required to test water supplies for Legionella – this is covered by Health and Safety Executive guidance and legionella risk assessment and control is the responsibility of the property owner. United Utilities carry out monitoring for cryptosporidium on raw and treated water supplies that the drinking water safety plan risk assessment has identified a risk of cryptosporidium in the source water. Treated water monitoring is carried out on the outlet of the water treatment works to confirm that any treatment processes intended to physically remove cryptosporidium and giardia are working effectively. United Utilities do not routinely test for giardia. Sampling and analysis for E.coli is carried out on the outlet of United Utilities water treatment works, treated water storage reservoirs and at properties across our distribution network. Under normal circumstances prior to the Covid-19 restrictions being imposed, these properties were selected at random. The frequency at which samples are taken is determined by the population of the water supply zone, and the quantity of water supplied by the water treatment works.
Should you consider that we have not adequately complied with our obligations under EIR, I am also obliged to inform you that you have the right to ask us to carry out an internal review of our response. This can be done by writing to David Hannon Head of Legal, United Utilities, Legal Department, Grasmere House First Floor, Lingley Mere Business Park, Lingley Green Avenue, Great Sankey, Warrington, WA5 3LP. Alternatively, you may find it easier to e-mail us directly on [United Utilities request email] , quoting the above reference, and your review request will be forwarded on to Mr Hannon.
Any request for an internal review should explain why you wish a review to be carried out, and should be made within 40 working days of receipt of this letter, and we will reply within 40 working days of receipt. If you are not satisfied with the result of the review, you then have the right to make a formal complaint to the Information Commissioner.
Finally, I would be grateful if you would kindly acknowledge receipt of this e-mail.
Ms A Paul
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