# The Water Supply (Water Quality) Regulations 2016, Regulation 14: Sampling at service reservoirs

Extent: E+W

Every water undertaker or wholesale licensee must take or cause to be taken, from each of its service reservoirs in each week in which the reservoir is in use or as specified in a notice given by the Secretary of State under regulation 9(3), one sample for analysis—
(a) for testing for compliance with the prescribed concentrations or values in respect of the coliform bacteria and E. coli parameters,
(b) for determining the concentration of the 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/2016/614/regulation/14 (the official version)
Page: https://openlegislation.uk/water-supply-water-quality-regulations-2016/regulation-14
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.