30.—(1) NRBW may serve, on a person who has custody or control of silage or slurry or is responsible for a silo or slurry storage system, in circumstances in which these Regulations apply, a notice (“regulation 30 notice”) requiring the person to carry out works, or take precautions or other steps, specified in the notice.
(2) The works, precautions or other steps must be, in the opinion of NRBW, appropriate, having regard to the requirements of these Regulations, for reducing to a minimum any significant risk of pollution of controlled waters.
(3) The notice must—
(a)specify or describe the works, precautions or other steps that the person is required to carry out or take,
(b)state the period within which any such requirement is to be complied with, and
(c)inform the person of the effect of regulation 31.
(4) The period for compliance stated in the notice is—
(a)28 days, or
(b)such longer period as is reasonable in the circumstances.
(5) A person on whom a regulation 30 notice has been served must comply with the requirements of that notice.
(6) NRBW may at any time (including a time after the period for compliance has ended)—
(a)withdraw the notice,
(b)extend the period for compliance with any requirement of the notice, or
(c)with the consent of the person on whom the notice is served, modify the requirements of the notice.
(7) NRBW must withdraw the notice, extend the period for compliance, or modify the requirements of the notice if so directed by the Welsh Ministers under regulation 31(5).