# The Water Framework Directive (Classification, Priority Substances and Shellfish Waters) Regulations (Northern Ireland) 2015, Regulation 22: Designation of Mixing Zones


(1) The Department may designate mixing zones adjacent to points of discharge.
(2) Concentrations of one or more substances listed in Table 47 of Part 2 of Schedule 1 may exceed the relevant standards within mixing zones if they do not affect the compliance of the rest of the body of surface water with those standards.
(3) The extent of any mixing zone must be restricted to the proximity of the point of discharge and must be proportionate, having regard to concentrations of pollutants at the point of discharge and any conditions contained within the discharge consent or permit.
(4) The Department must include information about designated mixing zones in river basin management plans. The information must include a description of:
(a) the approaches and methodologies applied to define mixing zones;
(b) measures taken with a view to reducing the extent of mixing zones in the future.

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Source: https://www.legislation.gov.uk/nisr/2015/351/regulation/22 (the official version)
Page: https://openlegislation.uk/water-framework-directive-classification-priority-substances-and-shellfish-waters-regulations-northern-ireland-2015/regulation-22
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.