Wastewater Overflow Webinar

Communities around the country will continue to face big increases in sewage overflows unless steps are taken to significantly upgrade storm and waste water infrastructure.

Over the recent years the National Performance Review (NPR), published by Water New Zealand has reported increases in wastewater overflows in both wet and dry weather countrywide.

What is alarming is that there is no national consistency as to how these overflows are managed.

Over the last few years the number of sewage overflows occurring during dry weather blockages increased five-fold and this has been attributed to the messages about binning wet wipes and other non-flushable items not getting through to the general public at large. Wastewater operators commonly find not only wet wipes, but also paper napkins, feminine hygiene products and kitty litter clogging up their networks.

Few authorities have considered the dry weather and wet weather issues together, preferring high cost capital fixes for the wet weather issues and operational improvements for the dry weather issues.  Some authorities have embarked upon education processes within their communities to reduce the 'flushing' of non-flushable items with good effect.

This ProjectMax Webinar will:

  • Examine the various causes of Wastewater Overflows
  • Provide a summary of potential intervention techniques
  • Provide some tips on what works and what doesn't work and under what circumstances
  • What tools and information can assist in the diagnosis of cause

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