Southwest Leamington Storm Water Management Pond and Outlet Environmental Study and Design

completed

The proposed project is multi-category including wastewater and stormwater components, but primarily stormwater. The Southwest Leamington Storm Water Management Pond and Outlet project will support further separation of storm and sanitary sewers in Leamington by eliminating the continuing need to use an existing asset as a combined sewer. A new stormwater outlet will: provide enhanced treatment and storage of stormwater, eliminate combined sewer overflows, and allow additional sanitary collection and conveyance for the existing and future develepments in southwest Leamington by optimizing an existing asset (conversion of existing combined sewer to dedicated sanitary sewer). This Environmental Study assignment will address enhanced service and improved environmental outcomes by providing the planning solution, preferred alternative and preliminary design for the management of surface water in the southwest quadrant of Leamington. Particularly, our Study Area comprises approximately 110 Ha, including 25 Ha of existing residential and institutional landuses serviced by aging combined sewers. The remaining 85 Ha are designated for urban, residential development. The establishment of the appropriate storm water management pond and outlet will allow for the continued separation and elimination of combined sewers in Leamington, and growth.