The Council's Land Drainage Recovery Programme (LDRP) has a prioritised programme of flood remediation work for flood-prone areas across the city.
Earthquake damage to land and infrastructure alongside the Avon River has led to an increase in the severity of flooding to existing flood-prone land and to some new areas.
Earthquake damage to land and infrastructure alongside the Heathcote River has led to increased severity of flooding.
The Estuary and Sumner Flood Protection Programme includes Southshore, Redcliffs and parts of Sumner.
The Styx catchment is largely rural, but also includes significant urban areas of Christchurch and Belfast and some commercial and industrial areas.