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Porirua Wastewater Retention Tank

Resource Management Act 1991

Notification of notice of requirement for designation under Section 168A(1A)

Requiring authority: Porirua City Council

Council reference: RC8393 - DN0013/21

The Proposal

The requiring authority proposes:

The notice of requirement has been issued to designate an area adjacent to State Highway 1 at 1 Station Road to provide for a public work, being the construction, operation and maintenance of a 7,000m³ wastewater retention tank. The retention tank is required to reduce the number and volume of wastewater overflows into Te Awarua-o-Porirua.

The key aspects of the land use component of the proposal include:

  • A 7,000m³ wastewater retention tank;
  • Associated infrastructure including:
    • Two reinforced concrete buried weir chambers approximately 28m² in area and 5m in height;
    • A new partially buried pump station approximately 130m² in size and 6m above ground level;
    • New wastewater pipeline 1.2m in diameter and approximately 325m long;
    • New wastewater rising main 0.90m in diameter and approximately 240m long;
    • Various new pipe work and 15 manholes to provide connections to existing and new infrastructure; and
    • A new bridge over Kenepuru Stream approximately 18m long and 5m wide.
  • Landscaping and enhancement works are proposed including:
    • Reinstatement of approximately 5,600m² of cleared terrestrial vegetation with indigenous species;
    • New planting of approximately 1,600m² in previously open grass areas;
    • Enhancement of approximately 2,300m² of existing terrestrial and riparian vegetation through weed control and supplemental vegetation; and
    • Reinstatement of approximately 120m² of disturbed wetland, and enhancement of an additional 240m² of existing wetland environment.
  • A new bridge over the Kenepuru Stream to provide access to the site for construction, and ongoing operation.

A designation enables activities to be carried out by the requiring authority for the purpose of the designation, without requiring resource consent under section 9(3) of the RMA.

The notice of requirement may be inspected at the Porirua City Council, Administration Building, Customer Service Centre (ground floor), Cobham Court, Porirua, between the hours of 9.00am and 5.00pm, or on the Porirua City Council website – Please contact Ellen Seumanufagai on 04 237 1494 if you have any questions about the notice of requirement.

Application documents

Who can make a submission?

Any person may make a submission on the application, but a person who is a trade competitor of the applicant may do so only if that person is directly affected by an effect of the activity to which the application relates that—

(a) adversely affects the environment; and

(b) does not relate to trade competition or the effects of trade competition.

How you can have your say:

Submissions must be received no later than 5pm on Wednesday 17 November 2021.

You may make a written or electronic submission. The submission must be on Form 21. Copies of this form are available from the Council’s Customer Service Centre at 16 Cobham Court or here.

You can also make an online submission:

Email submissions can be sent to Please include ‘Submission on RC8393 - DN0013/21 – Wastewater Retention Tank’ in the subject line.

Written submissions can be sent to:

Chief Executive
Porirua City Council
PO Box 50218
Porirua 5240

Or handed in at:

Porirua City Customer Services Centre
16 Cobham Court

A copy of your submission must also be served as soon as reasonably practicable on the applicant, whose address for service is:

Wellington Water Limited

c/o Connect Water

PO Box 3942

Wellington 6140

Attention: Ryan McAlistair

or emailed to:

Please include your name and contact details and let us know if you would like to attend a hearing to speak in support of your submission.

Submissions must be received no later than 5pm Wednesday 17 November 2021.

Your privacy

All information provided as part of the submissions process will be publicly available. You can request that certain details are withheld for privacy reasons.