Except in an emergency, no discharge through any pipe the diameter of which exceeds two hundred and twenty-nine millimetres shall be made under section 165 above except with the consent of the appropriate agency and of any navigation authority which carries out functions in relation to—
Where a water undertaker makes an application to any authority for a consent for the purposes of this section—
but, subject to subsection (4) below and without prejudice to the effect (if any) of any other contravention of the requirements of this section in relation to such an application, a failure to provide information in pursuance of the obligation to supplement such an application shall not invalidate the application.
Subject to subsection (4) below, an application for a consent for the purposes of this section shall be determined—
and, subject to that subsection, where an application for any consent is required to be determined within the period specified in paragraph (a) above and is not so determined, the consent applied for shall be deemed to have been given unconditionally.
Where—
that authority may delay his determination of the application until a reasonable time after the required information is provided.
A consent for the purposes of this section may relate to a particular discharge or to discharges of a particular description and may be made subject to such reasonable conditions as may be specified by the person giving it; but a consent for those purposes shall not be unreasonably withheld.
Any dispute as to whether a consent for the purposes of this section should be given or withheld, or as to whether the conditions to which any such consent is made subject are reasonable, shall be referred to the arbitration of a single arbitrator appointed by agreement between the parties to the dispute or, in default of agreement, by the President of the Institution of Civil Engineers.
Where any discharge under section 165 above is made in an emergency without the consent which, if there were no emergency, would be required by virtue of this section, the undertaker which made the discharge shall, as soon as practicable after making the discharge, serve a notice which—
on every person on whom that undertaker would have been required to serve the application for that consent or any copy of that application.
If any water undertaker contravenes, without reasonable excuse, any of the requirements of this section or any condition of a consent given for the purposes of this section, it shall be guilty of an offence and liable, on summary conviction, to a fine not exceeding level 3 on the standard scale.
Nothing in this section shall require any consent to be obtained, or any notice to be served, in respect of any discharge if the requirements of section 34 of the Water Act 1945 (temporary discharges into watercourses) in relation to that discharge had been satisfied before 1st September 1989.
In this section "the appropriate agency" means—