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 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.

Surface flooding reduction

Resolving surface flooding at sites that experience regular issues.


Related news

Burwood wastewater pipe replacement has begun

Work to replace ageing wastewater pipes along Mairehau Road is now underway.

3 Feb 2026

Trial aims to improve stormwater quality

A one-year trial to help stop zinc runoff getting into waterways is underway as part of Christchurch City Council’s commitment to improve urban stormwater quality.

23 Jan 2026

Smart meters project underway

Christchurch City Council has started installing smart water meters in parts of Christchurch and Banks Peninsula, prioritising areas where no water meters are currently in place.

22 Jan 2026

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