Sewerage and wastewater

The Council manages the sewerage network and performs regular maintenance, upgrade and renewal programmes.

Wastewater and drainage

Drainage maintenance and repairs and how to apply for a new drainage connection.

Sewage treatment plants

Sewage waste from sinks from laundries, kitchens and bathrooms flow through the sewerage network to treatment plants.

Sewage discharges

Find out how we monitor and protect the ocean from sewage discharges, and view rainfall discharge records.

History of the sewerage network

Wellington's sewerage network has been continually improved over the years to reach the high standards we have today.