Water Resources Act 1991

25 Restrictions on impounding

(1) Subject to the following provisions of this Chapter and to any drought order under Chapter III of this Part, no person shall begin, or cause or permit any other person to begin, to construct or alter any impounding works at any point in any inland waters which are not discrete waters unless—

(a) a licence under this Chapter granted by the Authority to obstruct or impede the flow of those inland waters at that point by means of impounding works is in force;

(b) the impounding works will not obstruct or impede the flow of the inland waters except to the extent, and in the manner, authorised by the licence; and

(c) any other requirements of the licence, whether as to the provision of compensation water or otherwise, are complied with.

(2) A person shall be guilty of an offence if—

(a) he contravenes subsection (1) above; or

(b) he is for the purposes of this section the holder of a licence under this Chapter and, in circumstances not constituting such a contravention, does not comply with a condition or requirement imposed by the provisions, as for the time being in force, of that licence.

(3) A person who is guilty of an offence under this section shall be liable—

(a) on summary conviction, to a fine not exceeding the statutory maximum;

(b) on conviction on indictment, to a fine.

(4) Subject to subsection (5) below, the restrictions imposed by this section shall have effect notwithstanding anything in any enactment contained in any Act passed before the passing of the [1963 c. 38.] Water Resources Act 1963 on 31st July 1963 or in any statutory provision made or issued, whether before or after the passing of that Act, by virtue of such an enactment.

(5) Subject to subsection (6) below, the restriction on impounding works shall not apply to the construction or alteration of any impounding works, if—

(a) the construction or alteration of those works; or

(b) the obstruction or impeding of the flow of the inland waters resulting from the construction or alteration of the works,

is authorised (in whatsoever terms, and whether expressly or by implication) by virtue of any such statutory provision as at the coming into force of this Act was an alternative statutory provision for the purposes of section 36(2) of the Water Resources Act 1963.

(6) The provisions of this Chapter shall have effect in accordance with subsection (7) below where by virtue of any such provision as is mentioned in subsection (5) above and is for the time being in force—

(a) any water undertaker or sewerage undertaker to which rights under that provision have been transferred in accordance with a scheme under Schedule 2 to the [1989 c. 15.] Water Act 1989 or Schedule 2 to the [1991 c. 56.] Water Industry Act 1991; or

(b) any other person,

is authorised (in whatsoever terms, and whether expressly or by implication) to obstruct or impede the flow of any inland waters by means of impounding works (whether those works have already been constructed or not).

(7) Where subsection (6) above applies, the provisions of this Chapter shall have effect (with the necessary modifications), where the reference is to the revocation or variation of a licence under this Chapter, as if—

(a) any reference in those provisions to a licence under this Chapter included a reference to the authorisation mentioned in that subsection; and

(b) any reference to the holder of such a licence included a reference to the undertaker or other person so mentioned.

(8) In this Chapter “impounding works” means either of the following, that is to say—

(a) any dam, weir or other works in any inland waters by which water may be impounded;

(b) any works for diverting the flow of any inland waters in connection with the construction or alteration of any dam, weir or other works falling within paragraph (a) above.