Stormwater and drainage

Christchurch's waterways have drainage, ecological, recreational, cultural, heritage and amenity values.

Wet weather and flooding

When to get in touch with us, how we respond and what you can do.

Flooding and floor levels

Flood modelling information, along with minimum floor levels for buildings.

Stormwater projects

The Land Drainage Recovery Programme aims to restore flood risk to pre-earthquake levels.

Stormwater policies and strategies

Policies and strategies relating to stormwater and drainage.

Stormwater and your property

Drainage plans, guidance and information about stormwater on private property.

Drainage plans for your property

Use our interactive map to see public utility pipelines and waterways.

Industrial stormwater

Apply for an industrial stormwater discharge licence.


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