The report includes the technical assessment and all public engagement that supported the change of status of the Phytoplankton and Zooplankton Populations BUI in the Niagara River to ‘Not Impaired’ (from ‘Requires Further Assessment’). The Canada-Ontario Agreement Annex 4 Co-leads formally confirmed the ‘Not Impaired’ designation in January 2019.
The results of the technical assessment indicate there is no evidence of eutrophication or undesirable algae impairment in the Niagara River Area of Concern. The report, which includes scientific evidence and public engagement efforts, was submitted to Canada-Ontario Agreement Annex 4 Co-Leads in 2018 to formally change the status of the Beneficial Use Impairment (BUI) from ‘Impaired’ to Not Impaired’.
A report on the prevalence of fish tumours at several Areas of Concern in the lower Great Lakes Canadian whose BUI status was ‘Impaired’ or ‘Unknown’. The report indicated the BUI is ‘Not Impaired’ for the Niagara River AOC.