(a)

allow the possibility of decreasing the monitoring frequency of a parameter or of removing a parameter from the list of parameters to be monitored, except for the core parameters referred to in point 1 of Part B of Annex II, if the competent authority is satisfied that to do so would not compromise the quality of water intended for human consumption: on the basis of the occurrence of a parameter in raw water, in accordance with the risk assessment of the catchment areas for abstraction points as set out in Article 8(1) and (2); when a parameter can only occur as a result of the use of a certain treatment technique or disinfection method, and that technique or method is not used by the water supplier; or on the basis of the specifications set out in Part C of Annex II;

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Source: EUR-Lex (Cellar) · retrieved 2026-10-28 · Text as adopted (Official Journal); later amendments are not incorporated in this text.