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Class Environmental Assessment for Wastewater Treatment


The Town of New Tecumseth has undertaken a review of the waste-water treatment strategy recommended in the Class Environmental Assessment (Class EA) for Waste-water Treatment conducted in 2005. A component of the preferred alternative identified in the 2005 Class EA was decommissioning the Tottenham WWTP, pumping all waste-water flows from the Community of Tottenham to the Regional WWTP for treatment, and expanding the Regional WWTP.

The outcome of the study will be the issuance of an Addendum to the 2005 Class EA Environmental Study Report, in accordance with the Municipal Class Environmental Assessment (as amended in 2007) which is an approved process under the Environmental Assessment Act.  The Addendum was placed on the public record for review on September 1st, 2010.  Subject to comments received, the Addendum will be final on October 1st, 2010.


In 2001, the Ministry of Environment requested the Town to undertake a Town-wide environmental assessment for waste-water. The study was undertaken and in March 2003, an Environmental Study Report was filed for public review. The Ministry of Environment and the Ministry of Municipal Affairs and Housing expressed concerns with the conclusions in the report. Accordingly, the report was not approved. MOE requested that the report be amended such that the overall limit of 28,681 m3/day be established for all waste-water permitted to enter the Nottawasaga River from the Regional and Alliston WWTPs (formerly Sir Frederick Banting WWTP). MMAH requested that planning approvals, including official plan designations, only be permitted up to a maximum 80% of the 28,681 m3/day flow identified in the ESR and that this provision should be incorporated in the Town’s Official Plan, subsequent to the ESR being completed. In June 2004, Council retained Stantec Consulting Ltd. to amend the ESR as required by the ministries. The report has been completed and concludes that the most appropriate approach to provide future waste-water treatment capacity in the Town is to implement a centralized treatment facility through modular expansion of the Regional WWTP.

The ESR document was placed on public record for a period of thirty (30) days upon Council’s acceptance of the ESR. The report was also circulated to all appropriate ministries and agencies for the same thirty (30) day review period. There were no comments received or Part II Order (bump-up) requests submitted accordingly the document was approved after the thirty (30) day review period in April 2005.

This project was initiated by the Town to investigate options for increasing waste-water servicing capacity to accommodate future population growth projections and anticipated influx of industrial, institutional, and commercial entities in the Town. This project was intended to respond to the need to resolve the disconnect between potable water and waste-water treatment capacity in the Town.

This report on the Town’s waste-water treatment consists of four volumes.

Volume 1 – Main Report

This volume summarizes the events and activities that occurred during the development of the preferred solution to increase waste-water servicing capacity.

Volume 2 – Appendices

This volume contains a portion of the supporting documentation for this Class EA, Appendices A through F, including supplementary reports, public notification, public presentation material and mailing lists.

Volume 3 – Appendices

This volume contains additional supporting documentation for this Class EA, Appendices G through M, including meeting minutes, agency and public correspondence and planning documents.

Volume 4 – Appendices

This volume contains the remaining supporting documentation for this Class EA, Appendices N through S, including comments received as a result of filing the ESR report in March 2003, supplementary data reviewed and planning documents.

Volumes 2, 3 and 4 are an integral part of this ESR and contain a more detailed description of the information presented in Volume 1.

This project was carried out in accordance with the Class Environmental Assessment (EA) process outlined in the Municipal Class Environmental Assessment (MEA, June 2000) process document approved by the Ministry of the Environment.