Doug Hood Ltd v Canterbury Regional Council - [2000] 1 NZLR 490

Resource management — Offences — Discharge of contaminant into water — Floodwaters threatening to overtop and destroy partly constructed earth dam — Channel cut at top of dam to release water — Significant part of dam washed away — Whether defences of emergency or necessity applied — Resource Management Act 1991, ss 2, 15, 18, 330, 338 and 341.