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  • South Dakota State University, BS - Civil Engineering, 1982

  • South Dakota State University, MS - Civil & Environmental Engineering, 1993


  • Professional Engineer - South Dakota


  • South Dakota Water & Wastewater Association



  • Stockwell Engineers in Sioux Falls, South Dakota - Wastewater Engineer, 2018-Present

  • Banner Associates in Brookings, South Dakota - Wastewater Engineer, 1988-2018

  • South Dakota State University in Brookings, South Dakota - Civil Engineer Instructor, 1984-1988

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Jim Housiaux, P.E.

Stockwell Engineers

Wastewater Engineer

Jim brings over 30 years experience to the Stockwell team, most of which has been in evaluating and recommending wastewater treatment solutions for municipal and industrial clients with an emphasis on wastewater conveyance, treatment, and discharge in compliance with regulatory permits.


His municipal experience ranges from simple land based treatment processes to a variety of mechanical treatment processes. His recent work with the City of Pierre, SD has included providing planning, design, and construction phase services for the replacement of aging equipment as well as the addition of a new ultraviolet disinfection process for the facility. Jim also has recent experience with the planning and design of a multimile cross county industrial outfall pipeline in South Dakota.


Jim has been involved with these types of projects from the initial planning phase to the design phase and through the construction administration and resident engineering phases. Jim’s project management experience has made him very conscientious of project goals and deadlines to meet the client’s expectations.


Jim also has extensive experience in preparing facility planning documents for a wide variety of projects. His experience extends to developing opinions of probable cost for alternatives evaluated the planning documents, development of project funding options, and identification of impacts on user fees due for capital improvements and changes to operation and maintenance costs.


Jim has had the opportunity to work with a number of municipal mechanical

wastewater treatment facilities in South Dakota. Each of these unique facilities have various needs that include all aspects of treatment including pretreatment (screening/grit removal), primary clarification, biological treatment, secondary clarification, disinfection, and biosolids management & treatment. This experience includes both gravity and pressurized conveyance of wastewater and biosolids to and within wastewater treatment facilities. As regulatory guidelines evolve for nutrient removal in South Dakota, long range planning incorporates modifications necessary for requirements.

Jim has also worked with a similar number of land-based wastewater treatment facilities. These projects range from small two-cell total retention facilities to larger land-based treatment that are integrated with other mechanical treatment processes.


The various and diverse wastewater projects that Jim has managed include sites that provide a wide range of solutions. His experience includes designing facilities that meet standard planning periods as well as facilities that can adapt to changes in regulatory guidelines. Jim has also had the opportunity to work with facilities operating out of compliance and under specific compliance orders to ensure permit requirements are achieved.

Jim’s extensive and unique skill set includes developing water reclamation facilities from the ground up. Typical work flow includes the initial analysis of existing facilities, that included collection system evaluation to determine material type, size, age and condition to get a comprehensive understanding of the needs of the client. Jim also specializes in systemwide inflow and infiltration analysis that assess collections systems as a whole that allows for comprehensive design development that incorporates long term planning needs for a wastewater utility.


  • Aberdeen WWTF – Anaerobic Digestion System – Cover Replacement. The Aberdeen WWTF is a 4.5 MGD average day WWTF. This project included Digester Cover Replacement as well as ancillary piping, fitting, replacement.

  • Aberdeen WWTF – UV Disinfection Project. The Aberdeen WWTF is a 4.5 MGD average day WWTF. This project included replacing an existing chlorination/dechlorination disinfection facility with a Trojan 3000 UV disinfection system.

  • Alcester WWTF – Project. The Alcester WWTF is 0.2 MGD average day WWTF. This project included improvements to the existing oxidation aeration system, the addition of equalization, final clarifier, and disinfection process.

  • Alpena WWTF – Project. The Alpena WWTF. This project included evaluation of an anaerobic lagoon process followed by a stabilization pond system to accommodate an influent flow that is 70% industrial wastewater from a meat processing facility. The design included a new stabilization pond, inter-pond piping, outfall pipeline, and outfall structure.

  • Chester Sanitary District WWTF – Project. This project included a new WWTF for the sanitary district. The project included lift station, forcemain, stabilization ponds to serve the Chester and surrounding area.

  • Colton WWTF – Project. This project included additional stabilization ponds to the existing stabilization pond facility to accommodate changing loading and permit conditions.

  • Gary WWTF – Project. The Gary WWTF project included conversion of a portion of an existing stabilization pond system to include constructed wetlands for enhanced treatment.

  • Huron WWTF – Phase III – Project. Huron is a community of over 12,000 people. The average design flow is 2.3 MGD. The Phase III project included a new pretreatment building with screening and grit removal built into to treatment trains. One train for municipal wastewater and one for industrial wastewater. The pretreatment building includes twopumping systems to pump the pretreated wastewater two miles to the Huron WWTF.

  • Huron WWTF – Wetland Project. The Huron WWTF includes pretreatment, anaerobic ponds (industrial waste) and a sequencing batch reactor followed by stabilization ponds. This project included the design and construction of approximately 3 quarter sections of constructed wetland, a lift station and forcemain piping to feed the wetlands from the stabilization ponds, and a sludge drying bed facility for solids generated in the treatment process.

  • Huron WWTF – Stabilzation Pond Improvements – This project included the addition of a two pond stabilization pond system (approximately a quarter section) to the WWTF. These ponds were designed for final polishing of the wastewater prior to discharge.

  • Smithfield Foods WWTF – Project. This project included a new pretreatment building using screw pumps to elevate the wastewater followed by mechanical screening and vortex grit removal for all process wastewater generated at the facility.

  • Davisco/Lake Norden WWTF – Project. This project included the construction of several new constructed wetlands to serve as final treatment and create a total retention system.

  • Agropur/Lake Norden WWTF – Project. This project include the addition of an effluent lift station and 14 mile forcemain to discharge the treated wastewater to the Big Sioux River in Hamlin County. The forcemain includes two major lake borings. Preliminary design of the lift station was on-going prior to starting with Stockwell.

  • Link Snacks/Alpena WWTF – Provided design and project management support for an anaerobic MBR treatment facility that included equalization/mixing, fine screening, pumping, Anaerobic MBR, and full aeration facilities for nitrogen loading.

  • Madison WWTF – Project. This project included replacement of primary and secondary clarifier equipment, new pretreatment screening equipment, screw pump replacement, new aeration equipment for an oxidation ditch, conversion of anaerobic digesters to aerobic digesters, and new effluent pumping system. The work also include construction of a dike around the facility for flood protection.

  • Milbank WWTF – Project - The Milbank WWTF project included new influent pumps and controls, new screening and grit removal equipment, new clarifier mechanisms for primary and secondary clarifiers, the addition of a new aeration basin, conversion of the anaerobic digesters to aerobic digesters and new sludge pumping and storage facilities.

  • Mobridge WWTF – Project – The Mobridge WWTF Project included the addition of a new pretreatment building with influent screw pumps, mechanically cleaned bar screen, and aerated grit removal, modifications to the primary clarifier, conversion of the existing clarifier to an aeration basin including a new blower building, a new final clarifier, new disinfection facilities and conversion of the anaerobic digester system to an aerobic digestion process. The work also included removal of an existing rotating biological contactor process.

  • Pierre WWTF – Phase I – Project. The Pierre Phase I project included replacement of a failed rotating biological contactor process. The improvements included a new air lift pump station, new aeration basin and blower building, new final clarifiers and a new dissolved air flotation sludge treatment. The project also include conversion of an existing final clarifier to a chlorine contact disinfection basin.

  • Pierre WWTF – Phase II – Project. The Pierre Phase II project included new influent pumps and piping, new primary clarifiers and sludge pumping facilities, new site piping to the trickling filter, a new autothermal thermophilic aerobic (ATAD) digestion process designed to produce Class A sludge, and an odor control process.

  • Pierre – Phase III – Project. The Pierre Phase III project was a small improvements project designed to provide additional odor control and other ancillary piping.

  • Pierre WWTF – Primary Clarifier Project. The Pierre primary clarifier project include the removal of the clarifier domes and replacement of existing clarifier mechanisms. The work also include replacement of the vortex grit removal equipment and grit classifier.

  • Pierre WWTF – UV Disinfection – Project. The Pierre WWTF UV disinfection project include construction of new stand alone UV Disinfection building and installation of the Trojan Signa UV disinfection equipment.

  • Sylvan Lake WWTF – The Sylvan Lake WWTF project included installation of equalization facilities, a Submerged Attached Growth (SAGR) treatment process and all support building for aeration equipment, monitoring equipment, and piping for flow splitting. This system was the first SAGR process in South Dakota and is the final treatment prior to disinfection and discharge.

  • Sinai WWTF – This project included replacement of an existing mechanical plant with a new total retention stabilization pond facility on a new site.

  • Vermillion WWTF – Project. Work at the Vermillion WWTF has occurred over a number of years from 1997 to 2010. The work included replacement of pretreatment equipment including mechanically cleaned barscreen, grit classifier, comminutor and conveyor, replacement of primary clarifier mechanisms, addition of two new aeration basins, additional blowers and new air piping, addition of a chemical feed system for the aeration basins, conversion of the chlorine disinfection system with UV disinfection, and replacement of the anaerobic digestion equipment and heat exchange equipment.

  • Volga WWTF – Project. The Volga WWTF project include the addition of exterior pretreatment equipment with manual screening and grit removal, new aeration basins and blower building, and new constructed wetlands.

  • Watertown WWTF – Project. The Watertown WWTF project include improvements to influent lift station pumping, a new pretreatment building with screw pumps, mechanically cleaned screening, and vortex grit removal, new primary clarifier, trickling filter media and distributor arm replacement, new effluent pumping facility to new infiltration percolation cells, and replacement of anaerobic digester covers and heat exchange equipment.

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