Te Awarua-o-Porirua Harbour and Catchment Strategy and Action Plan

The implementation of the strategy aims to restore the environmental health of the Te Awarua-o-Porirua.

Cover of Porirua Harbour and Catchment Strategy and Action Plan.

Wellington City Council, in conjunction with Porirua City Council, Greater Wellington Regional Council, local iwi, Te Runanga O Toa Rangatira, along with eight other local, regional and national agencies such a the Department of Conservation, are implementing a Te Awarua-o-Porirua Harbour and Catchment Strategy and Action Plan. 

The implementation of the Strategy aims to restore the environmental health of the Te Awarua-o-Porirua.

Action items in the Strategy aim to address the key issues facing Te Awarua-o-Porirua - excessive sedimentation rates, pollutants and ecological degradation –the ‘Big Three’. 

Te Awarua-o-Porirua is currently exposed to a range of man-made impacts that are degrading the environment. Current urbanisation and transport networks are a constant challenge to the use and quality of the harbour waters. Planned and potential future development has potential to hasten this degradation. 

Te Awarua-o-Porirua contains the largest estuary system in the lower North Island. As well as having a nationally significant wildlife area, the estuary has cultural, recreational, economic, ecological and other values. 

The Te Awarua-o-Porirua comprises the Onepoto Arm, the Pauatahanui Inlet and the outer harbour. The harbour catchment includes Porirua Stream, with 70% of Porirua Stream catchment in the Wellington City district. 

The principal headwater tributaries of Porirua Stream arise within urban Johnsonville and Newlands. The middle and lower reaches pass through the relatively high-density urban areas of Tawa, Linden and Porirua. The stream catchment covers an area of 5,522 hectares and has five main tributaries, being Belmont, Takapu, Stebbing, Kenepuru and Mitchell’s Streams. The first three are in Wellington’s jurisdiction.

Read the full document: Te Awarua-o-Porirua Harbour and Catchment Strategy and Action Plan - June 2015(1.2MB PDF)

More information

Myfanwy Emeny, Open Space & Parks Manager
Phone: 04 803 8549
Email: myfanwy.emeny@wcc.govt.nz