# The Water Supply (Water Quality) Regulations 2000, Regulation 14: Sampling at service reservoirs


A water undertaker shall take, or cause to be taken, from each of its service reservoirs in each week in which the reservoir is in use, one sample for analysis—
(a) for testing for compliance with the prescribed concentrations or values in respect of the parameters E. coli and coliform bacteria;
(b) for determining the concentration of residual disinfectant; and
(c) for determining whether the specification in relation to the colony counts parameter is met.

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Source: https://www.legislation.gov.uk/uksi/2000/3184/regulation/14 (the official version)
Page: https://openlegislation.uk/water-supply-water-quality-regulations-2000/regulation-14
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.