Porirua Harbour Trust

Onepoto Arm

The Onepoto Arm numerous streams and lagoons feeding into the Harbour include small streams from Titahi Bay, the lagoons fed from Aotea and Papakowhai (Aotea, Okiwi and Papakowhai lagoons) and the main streams converging into the harbour.

The main streams include:

1. Kenepuru Stream (Waitangarua, Porirua East, Cannons Creek);
2. Takapuwahia Stream (Elsdon);
3. Porirua Stream which collects water from Johnsonville, Newlands, Churton Park, Grenada and Tawa via the Mitchell Stream (Colonial Knob), Stebbings Stream (Churton Park), Takapu Stream.

Click anywhere on the map below to open the Greater Wellington Regional Council GIS Viewer, then zoom in to learn where your water goes to.