Davis and Another v Lethbridge and Another - [1976] 1 NZLR 689

Water and water control — Drainage and drainage rights — Surface water naturally flowing from higher to lower land — Wall built diverting natural flow to different area — Land filled to height of wall and water reverting to its former natural flow.

Tort — Nuisance — Waters and waterways — Water flowing naturally on to plaintiff's land from adjoining land — Flow diverted by a wall — Land subsequently filled to level of top of wall and natural flow resumed its former course — Technical nuisance not actionable unless harm sustained reasonably substantial.