# The Water Supply (Water Quality) Regulations 2018, Part 2: Annual sampling frequencies: water supply zones




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Source: https://www.legislation.gov.uk/wsi/2018/647/schedule/3/part/2 (the official version)
Page: https://openlegislation.uk/water-supply-water-quality-regulations-2018/schedule-3/part-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.