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Ian Heffernan - Civil Engineers in Arklow, County Wicklow

Diamond Residential


The Diamond range offers sewage treatment plants for properties that are not connected to mains drainage. Fully tested and certified for European EN12566-3, the Diamond range includes sizes suitable for 1-55 people.

The Environmental Advantages of Diamond 

  • Protection of groundwaters 
  • Low power usage 
  • No chemical additives 
  • No noise pollution 
  • Designed for minimal visual impact

The Diamond Advantages for You

  • Simple minimal maintenance
  • Ease of installation
  • Low running costs
  • Low sludge production
  • No odours
  • Compact design with low visual impact and alarm beacon included
  • Highly effective certified performance
  • Proven reliability

Where to use the Diamond range

  • Single houses
  • Small groups of houses
  • Small commercial premises
  • Replacing existing septic tanks