The city will be cleaning the chlorine contact chamber at the wastewater treatment plant May 14-21.
In order to do so they had to apply for a Bypass of Authorized Works permit from the Ministry of Environment and Climate Change Strategy, which was approved.
The city will be removing organic growth from the chamber walls as well as performing a routine inspection.
Last fall the city retained Masse Environmental Consultants to assess the potential impact on public health and the environment from discharges that bypass the chlorine contact chamber.
The consultants found that there is low potential impact to human health or the environment.
The permit requires that the city monitor the effluent being discharged once a day to test for BODs, TSS and fecal coliforms. It also requires that the bypass last no longer than five consecutive days between May 14 and May 21, 2018.