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Markham Village & Unionville Flood Reduction

Markham Village & Unionville Flood Reduction

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The existing conditions system review is underway.  If you have any questions, or would like to provide any information on the drainage system, please contact one of the project managers (information below). 

Background

As part of Markham’s Flood Control Program, the City will be initiating a study to investigate flooding associated with drainage systems in Markham Village and Unionville.  The Markham Village area experienced considerable flooding during the July 2017 storm events.

The current storm sewer system does not have adequate capacity to handle stormwater runoff during large storm events.  For the most part, the area was designed and constructed prior to 1978 when the City began requiring drainage system be designed for the 100 year storm event.

When the storm sewer system capacity is exceeded, flooding of basements, roads and properties is possible in this area.

The study aims to:

  • Identify and understand the causes of flooding in the study area
  • Develop a range of alternative solutions to reduce flooding and flood damages
  • Recommend the preferred solution or suite of solutions to best reduce flooding and flood damage
  • Establish the funding, approvals and other activities needed to implement the recommended solutions.

Once the study is completed, an implementation plan and prioritization strategy will need to be developed to define a timeline for design and construction of the mitigation works.



Project Schedule


April 2018 – February 2019

  • Study Commencement
  • Existing Conditions Inventory and Analysis 

January 2019 – May 2019

  • Evaluation of Flood Control Alternatives

May 2019

  • Public Consultation

Summer 2019

  • Preliminary Preferred Solutions to be Identified
  • Agency/Internal Consultation
  • Implementation Planning

November 2019

  • Public Consultation

December 2019

  • Confirmation or Refinement of Preferred Solutions based on Public Consultation 


Documents, News & Resources


Get Involved

You can get involved in the planning process by attending public information meetings, which will take place throughout the process. Sign up for our email list by contacting our project manager below to stay informed throughout the project.


Contact

Robert Grech, P.Eng.,
City Project Manager
City of Markham,  
8100 Warden Ave.,
Markham, ON L6G 1B4 
905-477-7000 x 2357
rgrech@markham.ca     


Ken G. Collicott, P.Eng.

Consulting Project Manager,
RV Anderson Associates Ltd.
2001 Sheppard Avenue East, Suite 300,
Toronto, ON
416 497 8600 x 1294 
kcollicott@rvanderson.com