# The Bathing Water Regulations 2013, Paragraph 9


Where any bathing water profile indicates a tendency for proliferation of macro-algae or marine phytoplankton, the appropriate agency must undertake investigations at the bathing water to allow adequate management measures to be put in place in accordance with regulation 12.

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Source: https://www.legislation.gov.uk/uksi/2013/1675/schedule/4/paragraph/9 (the official version)
Page: https://openlegislation.uk/bathing-water-regulations-2013/schedule-4/paragraph-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.