Six Nations Water Treatment Plant – Ohsweken

Maple Reinders was awarded a contract to construct a new 1,800m² water treatment plant (50L/sec capacity) for the largest First Nations reserve in Canada, in Ohsweken, Ontario, for the Six Nations of the Grand River Council. The plant has a total production capacity of 4,050m³ of water per day, almost four times that of the old plant.

• The scope of work included:
• Intake Structure comprising six intake gates at various elevations drawing water from the Grand River, as well as two settling chambers
• Low Lift Station including a CO2 system to adjust raw water pH if required
• Water Treatment Plant

The plant also has systems to deal with water treatment residual comprising of a gravity thickener, actiflo, and a filter press.