# The Private Water Supplies Regulations (Northern Ireland) 2017, Regulation 11: Other private supplies


(1) In the case of a private supply to more than one private dwelling that is not monitored in accordance with regulation 10, the Department must monitor that supply in accordance with a risk assessment and, in addition, at least once a year, it must monitor for—
(a) conductivity;
(b) enterococci;
(c) Escherichia coli (E.Coli);
(d) hydrogen ion concentration;
(e) turbidity; and
(f) any parameter in Schedule 1 identified in the risk assessment as being a potential risk to human health.
(2) The frequency of monitoring may be reduced to once every 5 years in accordance with the results of a risk assessment.

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Source: https://www.legislation.gov.uk/nisr/2017/211/regulation/11 (the official version)
Page: https://openlegislation.uk/private-water-supplies-regulations-northern-ireland-2017/regulation-11
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.