Water Management (General) Regulation 2018
Current version for 1 July 2020 to date (accessed 11 July 2020 at 20:52)
48   Exemptions relating to ring embankments around dwelling houses or certain farm infrastructure
A person is exempt from section 91D(1) of the Act if—
(a)  the person constructs or uses on the person’s land a flood work consisting of—
(i)  one or more ring embankments that enclose a dwelling house, shed or storage silo, or
(ii)  one or more partial ring embankments that, together with the slope of land, enclose a dwelling house, shed or storage silo, and
(b)  the area (or total area) enclosed does not exceed 2 hectares or 10% of the area of the person’s land, whichever is the lesser, and
(c)  the work is not situated in or on a place that is located within a designated high risk flood area.