# The Water Supply (Water Quality) Regulations 1989, Regulation 18: Sampling at service reservoirs


A water undertaker shall take from each of its service reservoirs at least one sample for analysis for testing for compliance with each of the parameters listed in Table 7 in each week in which the reservoir is in use.

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Source: https://www.legislation.gov.uk/uksi/1989/1147/regulation/18 (the official version)
Page: https://openlegislation.uk/water-supply-water-quality-regulations-1989/regulation-18
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.