16.—(1) Scottish Water must identify every point from which it abstracts water for supply for human consumption purposes.
(2) At every abstraction point, Scottish Water must—
(a)take, or cause to be taken, such samples; and
(b)analyse, or cause to be analysed, those samples for such properties, organisms and substances,
as it considers necessary to comply with regulations 29 to 31.
(3) In relation to any abstraction point, the Scottish Ministers may, by notice given to Scottish Water, require it—
(a)to take, or cause to be taken, such numbers of samples of water per year as may be specified in the notice; and
(b)to analyse, or cause to be analysed, those samples for such concentrations or values of such properties, organisms and substances as may be specified in the notice and at such frequencies as may be specified in the notice.
(4) The Scottish Ministers may, by notice given to Scottish Water, revoke or amend a notice given under paragraph (3).
(5) Every analysis required under—
(a)paragraph (2), in relation to every body of surface water which provides more than 100 cubic metres of water per day as an average, must be carried out at no less than the following frequencies—
(i)4 per year, where the population served by the body of surface water is less than 10,000 people;
(ii)8 per year, where the population so served is from 10,000 to 30,000 people; and
(iii)12 per year, where the population so served is greater than 30,000 people; and
(b)paragraphs (2) and (3) must be in accordance with such relevant standards as the Scottish Ministers may, by notice given to Scottish Water, specify.
(6) For the purposes of—
(a)paragraphs (2) and (3), “abstraction point” means an abstraction point identified under paragraph (1); and
(b)paragraph (5), “body of surface water” has the meaning given in section 28 (interpretation of Part 1) of the Water Environment and Water Services (Scotland) Act 2003(1).