Combined sewer raw discharge Cunnable Creek, Windsor, Nova Scotia: Decommissioned Wastewater Facility

The Combined sewer raw discharge Cunnable Creek is a decommissioned wastewater facility located in Windsor, Nova Scotia, Canada. It served a population of approximately 7,041 residents in the Region of Windsor and West Hants Municipality. The plant's designed capacity was 1.00 volume unit, though it is no longer operational. As a decommissioned plant, its treatment processes are no longer active. In Canada, wastewater treatment facilities are regulated under provincial and federal guidelines, with the Canadian Council of Ministers of the Environment (CCME) providing national standards. Plants serving populations of this scale typically employ secondary treatment or higher to meet effluent quality requirements. The facility is situated near Lake Pisiquid and is within 50 km of the coast, indicating potential historical discharge into the Avon River estuary or Minas Basin. These waters are part of the Bay of Fundy ecosystem, known for its high tidal range and diverse marine life. The decommissioning of this plant likely redirected flows to a modern treatment facility, improving local water quality.

The plant is located near Lake Pisiquid, which drains into the Avon River and ultimately the Minas Basin, an arm of the Bay of Fundy. The Bay of Fundy is ecologically significant for its extreme tides and supports critical habitats for migratory birds, fish, and marine mammals. The decommissioning of this raw discharge facility reduces pollution risks to these sensitive downstream environments.