West Pubnico Sewer Treatment Plant Upgrade
To cut pollution threatening fish and groundwater, the Municipality of the District of Argyle updated sewage-treatment facilities in the seaside village of West Pubnico with screens and ultraviolet light that disinfects effluent before releasing it into Lobster Bay.
The upgrades will allow the municipality to expand its sewer system to homes with septic tanks - a move that had been delayed because the 30-year-old plant's chlorine-disinfection chambers could no longer consistently clean wastewater to comply with anti-pollution standards.
The improvements clear the way for more sewer lines, reducing the risk that groundwater contamination from septic tanks will make drinking water unsafe. Plant updates include a wastewater heating system that will lower plant energy costs, as well as a sludge-drying process that will make sewage solids less costly to truck away.
- Finding a way to lower high sludge-disposal costs.
- Meeting provincial disinfectant standards for ocean-discharged wastewater.
- Keeping the ocean free of sewage that would endanger fishing and processing jobs.
- Conduct rigorous evaluations to prevent equipment cost surprises.
- Be prepared to eliminate less-essential project features to stay within budget.
- Using sewer wastewater for heat can cut costs and may align with eligibility criteria for green infrastructure grants.
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