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Agenda - Niagara Peninsula Conservation Authority

Agenda - Niagara Peninsula Conservation Authority

Lyon’s Creek East

Lyon’s Creek East Sediment Strategy Administrative Controls Protocol A unique multi-agency and community partnership for the long term environmental protection of Lyon’s Creek East

Lyon’s Creek East Monitored Natural Recovery Protocol In 1987, Canada and the United States signed the revised Great Lakes Water Quality Agreement (GLWQA), in which Annex 2 described Remedial Action Plans (RAPs) that are required to address environmental degradation in specific areas around the Great Lakes Basin. The GLWQA identified 43 “Areas of Concern” (AOCs) and recommended that RAPs be developed at the local level and include public participation. The Niagara River is a binational AOC where two RAPs are under development separately – one in Ontario and the other in New York State. Since 1999, the Ontario Ministry of the Environment, Environment Canada and the Niagara Peninsula Conservation Authority (NPCA) have worked together with the local community to complete implement the Niagara River RAP, and achieve AOC delisting. In order to achieve delisting the contaminated sediment issues in the AOC needed to be resolved. Lyon's Creek East is one of the locations that was identified for further assessment in the Niagara Remedial Action Plan (RAP) because contaminant(s) in sediment exceeded guidelines. As a result of studies and input from the community open houses it was concluded that there is a low level of risk to human and ecological health associated with the contaminated sediment, and that removal was not warranted. Since the sediments of interest are situated within a Provincially Significant Wetland it was determined that removal would actually do more environmental harm than good. As a result, Monitored Natural Recovery was selected as the best approach to manage the contaminated sediment. This approach allows the ongoing burial of contaminated sediment to continue while a monitoring program is developed to periodically assess the natural recovery of the creek, and administrative controls are established to prevent re-suspension of the contaminated sediment. In support of Monitor Natural Recovery, the parties to this protocol have agreed to act in a cooperative manner to harmonize their approval, permitting and planning process, as outlined in this protocol, to ensure the sediments located in Lyon’s Creek East are not disturbed. The Protocol represents an inter-agency commitment to collaborate on the long-term protection, monitoring and awareness efforts regarding the contaminated sediment.

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