# The Public Water Supplies (Scotland) Regulations 2014, Regulation 4: Wholesomeness: public water supplies

Extent: S

(1) Water supplied by Scottish Water for human consumption purposes is, subject to paragraph (4), to be regarded as wholesome for the purposes of Part VIA of the 1980 Act (as it applies to water supplied for such purposes) only if the requirements in paragraph (2) are satisfied.
(2) At each point of compliance, water intended for human consumption purposes—
(a) must not contain—
(i) any micro-organism;
(ii) any substance; or
(iii) any parasite,
at a concentration or value which would (whether in conjunction with another parameter in the water or otherwise) constitute a potential danger to human health;
(b) must not contain a parameter in Table A or Table B at a concentration or value in excess of or, as the case may be, less than the prescribed concentration or value for that parameter; and
(c) must satisfy the formula “[nitrate]/50 + [nitrite]/3 ≤ 1”, where the square brackets signify the concentrations in mg/l for nitrate (NO3) and nitrite (NO2) respectively.
(3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(4) Water that—
(a) is transferred from a service reservoir;
(b) is intended for supply by Scottish Water for human consumption purposes; and
(c) exceeds the prescribed concentration or value for coliform bacteria (item 3) in Table A,
is not to be regarded as unwholesome for the purposes of Part VIA of the 1980 Act if, in at least 95% of samples taken in any year in which the reservoir in question is in use, coliforms were absent.

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Source: https://www.legislation.gov.uk/ssi/2014/364/regulation/4 (the official version)
Page: https://openlegislation.uk/public-water-supplies-scotland-regulations-2014/regulation-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.