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PART 1GENERAL

Supply zones

4.—(1) The Drinking Water Quality Regulator for Scotland may define areas that are to be supply zones for the purposes of these Regulations.

(2) Where an area is defined as a supply zone under paragraph (1) or redefined under paragraph (3)—

(a)the Drinking Water Quality Regulator for Scotland must, by notice to each relevant enforcing authority, identify—

(i)the area defined or redefined as a supply zone; and

(ii)each supply of water within the supply zone which comes from one or more sources and in relation to which water quality is considered to be approximately uniform; and

(b)each relevant enforcing authority must treat the area as a supply zone.

(3) The Drinking Water Quality Regulator for Scotland may redefine the area of a supply zone.

(4) The Drinking Water Quality Regulator for Scotland may, by further notice to an enforcing authority, modify a notice given to the enforcing authority under paragraph (2).

(5) In paragraph (2), “relevant enforcing authority” means, in relation to a supply zone defined under paragraph (1) or, as the case may be, redefined under paragraph (3), an enforcing authority for an area containing any part of (either or both)—

(a)the supply zone; or

(b)a supply of water which comes from one or more sources within the supply zone.