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Odour Issue in Waipukurau

Media Release June 12, 2017

Central Hawke’s Bay District Council wishes to reassure residents that they are aware of the Odour issue in Waipukurau and are taking all reasonable steps to isolate the odour issue and respond appropriately.

Council has received an increased number of complaints related to odour issues detected in various locations throughout Waipukurau. Council Officers are aware of on-going odour concerns and are continuing to monitor the situation and investigate the cause of the odour in particular at the Waipukurau Wastewater Treatment Plant.

The new anaerobic and storm water ponds were installed in the last 6 months, in anticipation of probable overloading of the treatment plant causing odour issues. The ponds are not expected to be fully effective straight away.

As a result of what we know about similar other treatment sites, Council is taking the following actions at the Waipukurau Waste Water Treatment Plant.

-        Covering of the outlet structure of the anaerobic pond (which is the part of the site which we expect that could present the biggest odour issues)

-        Sleeving of the pipe outlet from the anaerobic pond

-        Continuing with the planned landscaping which will provide a natural fence and provide for further mitigation of odour

-        Looking to install a flare which will burn off gases from the anaerobic pond that may be the source of the smells.

The above actions are consistent with actions other Councils have taken when dealing with similar problems, and are in the scope of the capital works intended to be carried out as part of the anaerobic pond project. These actions will be achieved within the existing capital works budget, and are expected to be completed within a month, sooner if possible.

To assist Council in their investigation, Council is seeking the communities help to assist in identifying the extent of the odour issue. We are encouraging residents to report any noticeable or offensive odours by using the online survey form which is available on the Council website . Printed forms are available at the Council office in Waipawa and both libraries. If you require survey forms to be delivered please contact Council on 06 8578060 and we will organise delivery. Information gathered from the completed surveys will assist Council in their investigations into the sources of the odour.

Council appreciates that this is an extremely frustrating time for many residents. Council is committed to finding a solution that ensures the odour issue is resolved and wishes to thank residents for their on-going patience and understanding.

Authorised by Chief Executive: Monique Davidson

Media contact

Monique Davidson, Chief Executive |P 06 857 8060


13 June 2017

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