Overview
PA REGION William Head Institution is a secondary wastewater treatment plant in Metchosin, British Columbia, serving 353 people. It discharges treated effluent into coastal waters near the Strait of Juan de Fuca.
PA REGION William Head Institution is a wastewater treatment facility located within the William Head Institution in Metchosin, British Columbia, Canada. The plant serves a small population of 353 people and operates under secondary treatment standards, which is typical for facilities of this scale in Canada. The plant's secondary treatment process ensures that organic matter and suspended solids are substantially reduced before discharge. As a Canadian facility, it operates under federal and provincial regulations, including the Wastewater Systems Effluent Regulations (WSER) under the Fisheries Act, which mandate secondary treatment for most systems. The treated effluent is discharged into the coastal waters of the Strait of Juan de Fuca, a major waterway connecting the Pacific Ocean to the Salish Sea. This area supports diverse marine life, including salmon, orcas, and seabirds, making proper treatment essential for protecting the local ecosystem.
Environmental context
The plant discharges into the Strait of Juan de Fuca, which connects to the Salish Sea and ultimately the Pacific Ocean. This coastal environment supports ecologically sensitive habitats, including kelp forests and eelgrass beds, which provide nursery grounds for fish and invertebrates. The region is also a critical migratory corridor for marine mammals and seabirds.
Frequently asked questions
The plant is located at William Head Institution, 6000 William Head Road, Metchosin, British Columbia, Canada, on the southern tip of Vancouver Island.
The plant serves a population of 353 people, primarily the staff and residents of the William Head Institution.
The plant discharges treated effluent into the coastal waters of the Strait of Juan de Fuca, a major marine waterway that connects to the Pacific Ocean.
As a Canadian facility, it operates under the Wastewater Systems Effluent Regulations (WSER) under the Fisheries Act, which require secondary treatment and effluent quality standards to protect fish and fish habitat.
For small systems serving under 500 people, secondary treatment is standard under Canadian regulations, ensuring removal of organic matter and suspended solids to protect receiving waters.
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