Blenheim Sewage Treatment Plant Upgrade

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Blenheim Sewage Treatment Plant Upgrade

Blenheim's Sewage Treatment Plant (BSTP) presently serves Blenheim, Marlborough Ridge, Renwick, Riverlands and Cloudy Bay Business Park. The resource consent authorising discharges of treated wastewater from BSTP to the Ōpaoa River expired in February 2008.

In preparing an application to renew its consent Council commissioned consultants to investigate and report on the issues facing the BSTP and the options open for change.

CH2M Beca, Cawthron Institute and Pattle Delamore Partners have reported on upgrade possibilities for the treatment system, the effects of discharges to water and the possibilities for land treatment of wastewater.

These studies and reports are a feature of the re-application for resource consent. This application has now been lodged with Council.

A key part of any application for Resource Consent is an Assessment of Effects on the Environment (AEE). Three documents summarising and detailing an assessment of the environmental effects resulting from the proposed upgrading of Blenheim's Sewage Treatment Plant have been produced in support of Council's application.

These are:

  • Summary: A condensed and summarised version of the more detailed accounts in Volumes 1 and 2
  • Volume 1: Report
  • Volume 2: Appendices to the Report - including detailed technical reports

A condensed and summarised version of the more detailed accounts in Volumes 1 and 2 Report Appendices to the Report - including detailed technical reports.

The Summary Report and Volume 1 are available below:

Volume 2, the Appendices, has not been put on the website due to the large size of the file (57 Mb).

All three documents are available for reading at Council's Blenheim and Picton Customer Service Centres and the Marlborough District Library in Blenheim.

BSTP walking track update

As part of Council's consent it committed to constructing a walking track around the periphery of the BSTP site to help raise awareness of the area. Minor engineering works to upgrade the walking track have been completed and the next phase is to develop information signage along the route. See draft plan below.