Water Projects

Dickinson Water Reclamation Facility

Dickinson, ND

Wastewater Treatment

Startup of the new facility occurred as scheduled in June 2014. The Dickinson Water Reclamation Facility is the first of its kind in North Dakota, utilizing innovative biological treatment technology and inventive solutions for biosolids thickening.  The facility will treat water to some of the most stringent effluent standards in North Dakota to date.

Services Provided
  • Planning
  • Design
  • Bidding
  • Construction Management
  • Presentation and Public Hearings



The City of Dickinson, ND has experienced significant growth since 2005 and the existing wastewater treatment components were at the end of their useful life. The population increase, aging equipment and need to address more stringent nutrient limits in the future, led the team to evaluate a mechanical treatment facility.  After a thorough Preliminary Engineering Report, it was recommended that a water reclamation facility be designed for a phased growth plan to meet immediate needs and potential future growth.


Apex Engineering Group was retained by the City of Dickinson to plan, design, and administer the construction of a new, state-of-the-art wastewater treatment facility to support the city's growing population and infrastructure.

An intensive planning phase focused on the population growth and nutrient limits.  A Facility Plan Amendment was completed to update the wastewater flow and loading projections, document new effluent limits, evaluate potential sites, and determine feasible alternatives to meet design conditions.

The new facility includes an influent pump station and forcemain, pretreatment building with screening and grit removal, an Integrated Fixed Film Activated Sludge System (IFAS), clarification and UV disinfection, as well as facilities for thickening, treatment, and storage of biosolids.  Water resuse facilities are also included at the new plan for beneficial reuse and conserving potable water for domestic use.

The state of the art facility treats an average daily flow of 3.65 million gallons. The facilty serves as a regional wastewater treatment location for the City of Dickinson, surrounding communities, area industries, septage haulers, and crew camps. The water reclamation facility conserves potable water by providing reuse water for irrigation, refinery process water, oil field frac water, and facility plant water.