Mobile UV Disinfection Unit From Aquionics Is The Ideal Solution For Rural Tribal Authority

The Salish Kootenai Tribal Reservation in north-west Montana has recently opted for a mobile UV disinfection unit from Aquionics to treat wastewater at two remote wastewater treatment plants (WWTPs).

The two WWTPs, which are approximately 15 miles apart, are both small aerated secondary lagoon facilities that only discharge their effluent for one or two months a year. The Tribe had originally considered commissioning open channel UV disinfection systems at each location, but was concerned about the expense involved with this approach.

Aquionics’ local representative, Doug Mitch of Able Wright, worked closely with the Tribe’s in-house engineering staff to develop a different approach. The solution was a turn-key mobile disinfection unit capable of serving both wastewater facilities. Consisting of an 8′ x 16′ enclosed trailer, it contains a pair of Aquionics closed vessel UV chambers installed in series and their associated controls, an end-suction centrifugal pump and piping system, along with lights, ventilation and cam lock hose connections located on the exterior.


The only site work required at the two facilities was the installation of single phase 230V buried power supplies and outlet pedestals at the discharge locations. The total cost of the mobile disinfection unit, along with the site work at both facilities was approximately 40% of the cost of two open channel UV systems.

“We are very proud of the project as it addressed the technical disinfection needs of the community, with proper attention paid to their cost and value concerns. It also provides the Tribe with a highly versatile disinfection system,” commented Mitch.

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