Our expertise and services cover the complete wastewater process, from comprehensive planning and evaluation to design of improvements to meet increasingly stringent regulations and discharge limits, through construction observations and operator support and training. Infrastructure Solutions Group staff has decades of wastewater experience to solve your wastewater issues and determine cost effective improvements to fit your needs.

We have designed and oversaw construction of…

  • Conventional gravity collection systems
  • Small diameter gravity collection systems
  • Pressure collection systems
  • Lift stations
  • Headworks including fine screening and grit collection
  • Extended aeration biological treatment
  • Sequencing batch reactor (SBR) treatment systems
  • Faculative lagoon treatment systems
  • Total retention lagoon treatment systems
  • Land application systems
  • Sludge digesters, sludge thickeners
  • Sludge dewatering systems including drying beds, dewatering boxes and belt presses.

Infrastructure Solutions Group also prides itself on decades of experience with funding wastewater improvements for federal, state and local sources such as Environmental Protection Agency, EPA, USDA-Rural Development, Oklahoma Water Resources Board, Community Development Block Grants, as well as assistance with Municipal Bond projects. No project is too large or small for Infrastructure Solutions Group to complete. We diligently work with clients from cradle to grave on projects to meet your requirements.


  • Extended Aeration Treatment
  • Sedimentation / Clarification
  • Sequencing Batch Reactor Treatment
  • Membrane Bio-Reactor® Treatment
  • Wastewater Stabilization Ponds: Total Retention, Aerated and Flow-Through
  • Grit Removal and Fine Screening
  • Land Application Systems


  • Aerated Sludge Digestion
  • Anaerobic Sludge Digestion
  • Polymer Assisted Drying Beds
  • De-Watering Boxes
  • Sludge Management Plans


  • Above-Grade and Submersible Lift Stations
  • Gravity Collection Systems
  • Pressure Collection Systems
  • Small Diameter Collection Systems


  • Smoke Testing and Flow Monitoring
  • Internal TV Inspection
  • Capacity, Management, Operation and Maintenance