Our Services

Sigma Knows Water Issues

The Sigma Group offers an array of wastewater and water management services designed to bring efficiency to your operations. From a business perspective, there is a cost side to water. From supply to discharge, water issues can be complex and costly, so understanding the issues and having proper water and wastewater management is vital.

Managing Water and Wastewater

  • Compliance and permitting
  • Hydraulic modeling
  • Infrastructure distribution and conveyance
  • Monitoring / sampling
  • Recycle / reclaim / reuse / conserve
  • Flow and load analysis
  • User fees / audits
  • Water balance


  • Chapter 30 permitting
  • Groundwater monitoring
  • Investigation / remediation
  • Potable / drinking water quality
  • Sediments / dredging
  • Spill prevention plans
  • Stormwater management
  • Waterway protection
  • Wetland delineation


  • Biological
  • Filtration
  • Ion exchange
  • Metals and chemical recovery
  • Metals precipitation
  • Oils removal / DAF
  • Organics
  • Solids removal
  • Ultra pure

Featured Projects

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