Article 5

1. For the purposes of Article 4, bathing water shall be deemed to conform to the relevant parameters: if samples of that water, taken at the same sampling point and at the intervals specified in the Annex, show that it conforms to the parametric values for the quality of the water concerned, in the case of: - 95 % of the samples for parameters corresponding to those specified in column I of the Annex; 90 % of the samples in all other cases with the exception of the "total coliform" and "faecal coliform" parameters where the percentage may be 80 % and if, in the case of the 5, 10 or 20 % of the samples which do not comply: the water does not deviate from the parametric values in question by more than 50 %, except for microbiological parameters, pH and dissolved oxygen; consecutive water samples taken at statistically suitable intervals do not deviate from the relevant parametric values. 2. Deviations from the values referred to in Article 3 shall not be taken into consideration in the calculation of the percentage referred to in paragraph 1 when they are the result of floods, other natural disasters or abnormal weather conditions.

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Source: EUR-Lex (Cellar) · retrieved 2026-11-10 · Text as adopted (Official Journal); later amendments are not incorporated in this text.