Powell River Consolidated Wastewater Treatment Plant

Location: Powell River, BC

This project is comprised of consolidating and upgrading multiple smaller components of the City’s current wastewater treatment system to move the City of Powell River forward in compliance with future treatment commitments.

Graham’s scope of work consists of bulk earthworks, underground utilities, retaining walls, roadwork, structural concrete work in the process building as well as: administration building, bioreactor complex; process treatment systems in screens, grit removal, bioreactors, secondary clarification, ultraviolet disinfection, digesters, dissolved aeration flotation, centrifuge dewatering, chemical dosing systems, odor control and marine outfall.

The City is a bustling coastal city with unique supply chain logistics. Access and delivery to site will be through ferry service, flights and tugboat/barges.

Contract Value


Prime Consultant

Associated Engineering

Project Owner

City of Powell River

Contract Format

Stipulated Price

Completion Date


Contract Duration

21 months