Combined regional flood hazards extent for rivers and streams in the Wellington Region. Data supplied in Feb 2017 from GWRC Flood Protection Dept for the GWRC public flood hazard maps project. Extra extent data supplied by KCDC and WCC was added in May 2017. If you want more information about Flood Risk in the Western part of the Region, please contact...

Flood zones are identified from a combination of historic flooding records and flood modelling compiled by Wellington Water. Data has been compiled from a variety of sources and its accuracy may vary. Information supplied is to the best of Wellington Water's knowledge, and must not be used for detailed engineering design. Please contact Wellington Water...

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Council maintains a network of stopbanks, hydraulic structures and pump stations, as well as managing the river, stream and drainage channels to ensure they work as expected during floods. The overall aim is to reduce the risk of flood and erosion damage while maintaining a high quality river environment. The stopbanks on the major rivers are designed to...

Much of the settled Hawke’s Bay region is low lying and built on river flood plains. This brings the risk of flooding, which is our most common natural hazard - a severe storm or flood happens every 10 years on average. Major storms affect wide areas and can be accompanied by strong winds, heavy rain or snowfall, thunder, lightning, and rough seas. They...