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Power and Water Corporation is the sole provider of electricity, water supply and sewerage services to almost 80,000 customers across the Northern Territory ?¨C an area of more than 1.3 million square kilometres. Power and Water Corporation is the sole provider of electricity, water supply and sewerage services to almost 80,000 customers across the Northern Territory ?¨C an area of more than 1.3 million square kilometres. Power and Water Corporation is the sole provider of electricity, water supply and sewerage services to almost 80,000 customers across the Northern Territory ?¨C an area of more than 1.3 million square kilometres.
Home  >  About us  >  Major projects  >  Larrakeyah outfall closure plan  >  Stages One and Two

Stages One and Two


Larrakeyah Outfall Closure Plan fact sheet

PER for East Point Outfall works fact sheet

PER Guidelines

Photos of the project
 

Stage One: Diversion works to deliver sewage from the Larrakeyah catchment to the Dinah Beach trunk sewer

This stage, which involves the installation of a new sewer to divert sewage from  the Larrakeyah catchment to the Dinah Beach trunk sewer, is almost finalised. 

It includes the following developments:

  • Construction of a new trunk sewer in Mitchell Street (completed)
  • Construction of a new trunk sewer at Dinah Beach along Tiger Brennan Drive (completed)
  • Construction of a new sewage pumping station at Dinah Beach (completed)
  • Construction of a new sewage rising main from Dinah Beach to Parap (completed)
  • Upgrades to the Frances Bay sewage pumping station (completed)
  • Upgrades to the Parap trunk sewer (completed)
  • Construction of new sewer along Larrakeyah Terrace (completed)
  • Construction of a pump station and rising main at Doctors Gully (scheduled for completion in December 2011)

Media release: May 2011, Tunnelling toward Larrakeyah outfall closure

 

Stage Two: Further upgrades to Ludmilla Wastewater Treatment Plant

The Ludmilla Wastewater Treatment Plant will be upgraded to cater for the diverted load from the Larrakeyah and Darwin CBD areas and provide for additional load from future population growth.

Once treated, the wastewater will be discharged via the outfall at East Point.

The upgrade will also improve the Ludmilla Wastewater Treatment Plant’s performance and reduce wet weather discharges to the Ludmilla Creek.

Power and Water is currently assessing tenders for this major project, with a successful applicant scheduled to be announced in late October 2011. Construction is scheduled to commence in late 2011 at an estimated cost of $19 million.

Power and Water is also upgrading Ludmilla Wastewater Treatment Plant’s effluent rising main to East Point and upgrading and extending the East Point outfall to improve its dispersion performance.

The rising main and outfall works are subject to Public Environment Reports (PERs) that are currently being prepared by Power and Water.

Construction timing for these projects are dependant on the outcome of the PERs.

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The Power and Water Corporation is the Northern Territory of Australia's provider of electricity, water and sewerage services.
We are one of the largest businesses in the Territory with assets in excess of $1.2 billion and servicing around 80,000 customers.