Clearwater Project Office's Records of the Clearwater (Wellington Wastewater) Project

Descriptive Data

Archives Identifier00562Date Range1986-1999DescriptionThis series of records were used by the Clearwater Project office to administer and oversee the treatment and disposal of wastewater. The records contain information about the mid 1980s wastewater treatment decisions, Portals Water Treatment Limited (PWT), MacT Consortium and Anglian Water International (AWI).
- In 1990 a commitment was made by Wellington City Council to build a new wastewater treatment plant aimed at cleaning up Wellington's south coast, waterways and harbour.
- In November tenders were called and on 2 August 1991 a Letter of Intent was given to PWT.
- In October 1992 there was a Town Planning Appeal against the proposal.
- In September 1992 the MacT consortium put forward the alternative ValleyWest Scheme.
- The Cityworks committee voted against continuing with PWT contract.
- In February 1994 a new tendering process began.
- On 13 December 1994 AWI was announced as the successful tenderer.
- AWI signed a 25 year contract in February 1995.
The contract with AWI marks the beginning of the Wellington Wastewater Project (also referred to as the Clearwater Project). The Clearwater Project involved the construction of two sewage treatment plants: a large one at Moa Point, and a smaller one at Karori (Western Treatment Plant). Other key parts of the system included a 1.8 kilometre outfall pipe (contracted to Candac Perry Joint Venture), a sludge de-watering plant at the Southern Landfill (Carey's Gully), and a new pumping station at Island Bay.
Other records relating to the Clearwater Project and the treatment and disposal of wastewater can be found in City Engineer's 12/868 and 64/- files (Series 00009), and drainage reports (Series 00018).
Building plans are located on building consent records under the following addresses: 39a Moa Point Road, 380 South Karori Road, Landfill Road and 428 The Esplanade (Series 00061, 00078).Quantity (Linear Metres)1MediumFileSystem of ArrangementAcquisition notes: Processed from Accessions 1999/26, 1999/115, 2000/82, 2002/3, Series 00036Collection TypeWellington City Council

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Restriction StatusOpen

Related Agencies

Controlling or Creating AgencyClearwater Project OfficeRelationship Date RangeFebruary 1995-1999

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Clearwater Project Office's Records of the Clearwater (Wellington Wastewater) Project