Commentary on provisions of the Act Section 4: Emergency overflows New Section 141G: meaning of "emergency overflow" in section 141F
New section 141G sets out the definition of an emergency overflow. It provides that the duty in section 141F should apply where there is an emergency overflow of a description set out in subsection (2) or where an environmental permit has been issued which describes the overflow as capable of being relied on in an emergency (subsection (3)).
	A ‘sewerage system’ as specified in subsection (1) is defined by way of section 17BA(7) of the 1991 Act, and includes the system of public sewers, the facilities for emptying or draining it, facilities for dealing with its contents, and the lateral drains that the undertaker is required to maintain. An ‘environmental permit’ is a permit granted under the Environmental Permitting (England and Wales) Regulations 2016.