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Region of Queens Municipality

Nova Scotia, Canada

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August 5, 2019; Liverpool, NS:  As many of our residents are aware,  an odour has been occurring at various times near Liverpool, Bristol Avenue, and Highway #3, Brooklyn. The prevailing wind direction generally dissipates odour however; certain wind directions can result in a noticeable odour in various areas of the community, particularly near Milton Road and along Main Street leading towards Fort Point.

Our waste water treatment facility and aerated lagoons were constructed in 2001 with a projected dredge cycle of from 25 to 30 years. It was determined through expert opinion that while dredging was premature at 18 years of operation, de-sludging of the primary lagoon should occur as soon as possible due to the existing odour issue.

The contractor who performs de-sludging work is currently on site. Work began a week and a half ago, but was delayed by a week because of an equipment breakdown last week. We understand that de-sludging took place over this past weekend and will continue again starting tomorrow. While we have been advised by the contractor that this de-sludging process is odourless, residents will still smell the odour based on prevailing wind directions from the lagoon area. We are proceeding to have this work carried out by the contractor as quickly as possible. 

As part of the ongoing evidence-based decision making process used by the Municipality to rule out other potential sources of the odour in the Liverpool area, a review of the tidal wetland along Hank Snow Drive was commissioned and this review took place on July 5, 2019, by a wetlands and environmental specialists company. The summary of that report concluded that “there is no visible impairment, loss of function, or other sign of wetland distress that would indicate that the marsh is the cause of the prolonged, persistent and intense odour that the community has been experiencing. Therefore other potential sources of odour should be investigated.”