Water Management Act 2000 No 92
Current version for 14 May 2020 to date (accessed 5 June 2020 at 23:48)
Chapter 6 Part 2 Division 7 Section 318A
318A   Exposure of underground pipes
A person must not, except in an emergency or with lawful excuse, open any ground so as to expose a water supply authority’s pipe or other work unless the person has given the water supply authority at least 2 days’ written notice of his or her intention to do so.
Tier 2 penalty.