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Individual On-site Systems


  • Conventional drainfields
  • Evapo-transpiration (et) beds
  • Intermittent / recirculating sand filters & trickling filters
  • Mounded drainfields (sand mounds)
  • Absorption trenches
  • Evapo-tranpiration absorption (EVTA) systems
  • Packaged systems (e.g. aerobic treatment)


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