Notice of Study Completion Leamington Wastewater Master Plan

The Study

The Municipality of Leamington has completed a Municipal Class Environmental Assessment (MCEA) Master Plan (Approach 2) study to enhance the performance of its wastewater infrastructure, ensuring it can meet the needs of Leamington’s growing community over the next 20 years. The intent of this study was to guide how the municipality delivers wastewater treatment services, focusing on cost-effective, environmentally sustainable solutions that reflect the values and priorities of its residents. The recommendations of the study include the following: (Please refer to the attached project map)

  • Reconfiguring the existing offline storage
  • Increasing the capacity of inlet pumps
  • Expanding the offline storage basin
  • Chemically enhanced primary treatment
  • New outfall pump station and gravity sewer on the east side of the Selkirk Drain
  • Optimize and re-rate the existing treatment plant
  • Partial industrial treatment
  • Expansion of existing treatment plant

A Master Plan Project File Report (PFR) has been prepared, and a copy will be placed on public record on March 23, 2026 for thirty (30) calendar days. The PFR can be reviewed by members of the public and/or any interested party at: leamington.ca/wastewater

If there are any outstanding concerns or issues with this project during the 30-day review period, please address them to the Leamington/Consultant staff listed below, and we will attempt to seek a mutually acceptable resolution.

Under Section 16 of the Environmental Assessment Act, a request to the Minister of the Environment, Conservation and Parks for an order to require the Municipality to undertake a higher level of assessment may only be made on the grounds that the order may prevent, mitigate or remedy adverse impacts on the existing Aboriginal or Treaty rights of an indigenous community. Requests under Section 16 can be made to:

Minister of Environment,
Conservation and Parks
Ministry of Environment, Conservation and Parks
777 Bay Street, 5th Floor
Toronto, ON M7A 2J3
Minister.mecp@ontario.ca

Director, Environmental Assessment
Branch
Ministry of Environment, Conservation and Parks
135 St. Clair Avenue W, 1st Floor
Toronto, ON M4V 1P5
EABDirector@ontario.ca

If no issues or concerns are raised by April 21, 2026, the project will be considered to have met the requirements of the Municipal Class Environmental Assessment and may proceed with detailed design, tendering and construction of the recommended works as outlined in the Project File Report.

To provide comments, please contact either of the following team members no later than April 21, 2026:

Shannon Belleau, P.Eng.
Manager of Environmental Services
Municipality of Leamington
111 Erie Street North
Leamington, ON N8H 2Z9
519-326-5761 ext. 1650
sbelleau@leamington.ca

Paul Adams, CPT
Environmental Planner AECOM Canada Ltd.
250 York Street, Suite 410
London, ON N6A 6K2
519-636-6448
Paul.adams2@aecom.com

With the exception of personal information, all comments will become part of the public record of the study. The study is being conducted in accordance with the requirements of the Municipal Class Environmental Assessment, which is a planning process approved under Ontario’s Environmental Assessment Act.

Project Map

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