Baldivis Tailings Pond Rehabilitation Project and Effluent Management System Upgrade (s46)

Proposal description: 

Inquiry under s46 regarding changing the implementation conditions of Ministerial Statement 144.

It is proposed that the refinery effluent, tailings pond liquor and recovered groundwater will be blended in the lined staging pond at Baldivis prior to feeding to the CMF plant. The filtrate from the CMF plant will be returned to the refinery site and treated in the existing reverse osmosis circuit. In addition to the CMF plant, WMC is reviewing current remedial plans, as well as short and long term options, which may be implemented to ensure that adverse effects which may result from the delay to the remedial programmed, arc minimized. WMC believes the review of the project is most appropriate in order to meet its commitments regarding:

  • protection of Lake Cooloongup and fringing vegetation;
  • tackling the source of the groundwater contamination (ie the tailings pond); and
  • recovering the groundwater contaminants.
Assessment Number: 
Referred under EP Act: 
Industry sector: 
Last updated: 
January 19, 1995
Current Status: 
Ministerial Statement published
Ministerial Statement published
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