When the rotating biological contactors at Wabaseemoong Independent Nations in northwestern Ontario experienced “catastrophic failures” and the existing RBCs couldn’t be replaced (because the building had been built around them), a new solution was going to be required.
J.R. Cousins Engineering turned to Nexom transform the remote first nation’s RBC basins—complete with challenging sloping sidewalls—into an easy-to-operate, efficient, reliable BioPorts™ moving bed biofilm reactor (MBBR). This cost-effective system retrofit charts a course for future RBC sites to meet future treatment needs.
Read the full story published as a featured piece in the February 2026 issue of Environmental Science & Engineering (ES&E) magazine: Retrofitting the Wabaseemoong Independent Nations’ WWTP from a RBC to a MBBR.
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