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Stormwater Management Facilities Retrofit Class Environmental Assessment

NOTICE OF STUDY COMPLETION

The City of Markham has completed a Municipal Class Environmental Assessment (Class EA) study to identify and prioritize opportunities to improve the management of stormwater within the City.  Improvements may be achieved through the retrofit of existing stormwater management (SWM) facilities and/or through the construction of new SWM facilities in areas that are currently lacking appropriate controls.

The study was conducted as a ‘Schedule B’ project in compliance with the Municipal Engineers Association document "Municipal Class EA,” (October 2000, amended in 2007 and 2011) which addressed Phases 1 and 2 of the Class EA Process.  Opportunities for improvements were identified by assessing the level of control provided by existing SWM facilities, identifying existing uncontrolled storm sewer outlets and assessing the feasibility of providing enhancements at these sites to screen out impractical options.  The remaining sites were then prioritized based on criteria developed by Cole Engineering Group Ltd (Cole Engineering), the City, and stakeholders.  A set of alternative solutions for each of the top priority sites was evaluated and associated mitigative measures to reduce impacts of the resulting proposed work were identified.

The Class EA study determined the preferred alternative solution to provide improved SWM at each of the top priority sites.  The preferred solution varies for each site which may include the installation of an oil-grit separator for quality control, the installation of an underground storage tank, the installation of a cooling trench and/or the planting of trees and shrubs to provide temperature mitigation, the expansion of existing SWM ponds and the modification of existing controls at SWM ponds.

A Class EA Project File Report has been prepared documenting the study process, how public and review agency input was considered, and conclusions/recommendations of the study.  The Class EA Project File Report is available during regular business hours at the following location for a 30 day public review period beginning January 14, 2016 and ending on February 13, 2016:

Markham Civic Centre – Clerk Office Counter
101 Town Centre Boulevard
Markham, ON L3R 9W3

You can also download the Class EA Project File Report: 

Interested persons should provide written comments regarding the project within the prescribed Review Period to one of the following:
 

Mr. Robert Muir, M.A.Sc., P.Eng.
Manager, Stormwater
Asset Management, City of Markham
8100 Warden Avenue
Markham, ON L6G 1B4
Email: rmuir@markham.ca
Tel: 905.477.7000 x 2894
Mr. Geoff Masotti, P.Eng.
Project Manager
Cole Engineering Group Ltd.
70 Valleywood Drive
Markham, ON, L3R 4T5
Email: gmasotti@coleengineering.ca 
Tel: 905.940.6161 x 254     


If concerns arise during the Review Period that cannot be resolved through discussion with the City, a person may request the Minister of the Environment to subject the project to an individual environmental assessment.  This request (commonly referred to as a “bump-up” request) must be received within the above prescribed Review Period by the Minister, at the address listed below.  A copy of the request must also be sent to the City at the address listed above.  If no request is received by February 11, 2016, the City may proceed with design and construction of the project as presented in the planning documentation.

The Honourable Glen Murray
Minister of the Environment
135 St. Clair Avenue West, 12th Floor
Toronto, Ontario
M4V 1P5

This Notice was first issued on January 14, 2016.