Flood Protection manages the risk of flooding in a number of ways including giving advice about flood hazard and how to avoid it, managing flood risk to existing development through building stop banks, and river stabilisation works including using rock and planting willows and other erosion stabilising plants.
What we do
Flood Protection delivers a wide range of flood risk management activities which include:
We carry out topographical survey, LIDAR (light detection and ranging) data capture as well as working with communities and mana whenua to understand the context and background of any problem.
We conduct detailed hydrological and hydraulic modelling to understand the risk. This process supports detailed optioneering, planning controls and design.
We follow a risk assessment and analysis described in our Floodplain Management Planning process to identify options, critically assess and prioritise.
We work with communities, key partners and mana whenua to develop solutions and select options. We select an approach that suits the community we are working with.
Find out about how we develop our flood hazard models on our technical guidance page:
Working with our colleagues in Environmental Science & WREMO (Wellington Region Emergency Management Office) we maintain a regional hydrometric network, provide flood forecasting and warning, and provide a 24/7 flood duty roster.
Find out what to do before, during and after a flood: