# The Surface Waters (Abstraction for Drinking Water) (Classification) Regulations (Northern Ireland) 1996, Regulation 4: Compliance with relevant limits

Extent: N.I.
Status: prospective

(1) Subject to paragraphs (2) and (3), any waters classified under these Regulations shall be treated in any year as complying with the limits specified in column I of Schedule 1 for waters of the relevant class in relation to a parameter if—
(a) 95 per cent of the samples taken in relation to those waters in accordance with regulation 7 comply with the limits specified in column I of Schedule 1;
(b) none of the samples exceeds the limit by more than 50 per cent;
(c) there is no associated danger to public health where any of the samples exceeds the limit; and
(d) there have been no occasions on which consecutive samples so taken at statistically suitable intervals exceed the limit.
(2) Non-compliant samples shall be ignored for the purposes of paragraph (1) if they are the result of a flood, natural disaster or abnormal weather conditions.
(3) Paragraph 1(b) shall not apply in the case of any standard adopted by the Department in relation to temperature.

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Source: https://www.legislation.gov.uk/nisr/1996/603/regulation/4 (the official version)
Page: https://openlegislation.uk/surface-waters-abstraction-for-drinking-water-classification-regulations-northern-ireland-1996/regulation-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.