2021 Integrated Urban Water Master Plan | City of Vaughan, ON, Canada

This project is for the City of Vaughan to develop an Integrated Urban Water Master Plan Environmental Assessment Study (MPEA) to assess existing and planned urban water systems and establish a long-term strategy to provide safe, reliable and sustainable services to support revised growth projections, intensification and updates to Provincial, Regional and other City Master Plans.

Population forecasts for York Region in the revised Provincial Growth Plan (2017) for the Greater Golden Horseshoe (Growth Plan), estimated residential and employment population is expected to reach 1.79 and 0.9 million respectively by 2041. Residential and employment populations were approximately 1.18 and 0.59 million respectively in 2016. It is anticipated the City of Vaughan will absorb a large proportion of this population increase. Additional to growth forecasts, the updated Growth Plan provides revised policies regarding land development, resource management and protection, and public money investment. Therefore, the City is now requesting to review and update the current urban water systems MPEA studies into one Integrated Urban Water Master Plan (IUW-MP).

This project includes technical memoranda noted below.

  • Design & Level of Service Criteria Review
  • QA/QC of Existing All-Pipes Model
  • Update Existing All-Pipes Model
  • Allocate Future Populations for 2028, 2036, 2041 & 2051
  • Development of Alternatives
  • Evaluation of Alternatives
  • Final Reporting  


Figure 1: Pressures (psi) in Vaughan (all zones) under PHD conditions

Figure 2: Cumulative distribution of pressures (psi) in Vaughan (all zones) under PHD conditions

Figure 3: Available fire flow (l/s) in Vaughan (all zones) under MDD+FF conditions


Figure 4: Cumulative distribution of available fire flow (l/s) in Vaughan (all zones) under MDD+FF conditions

Figure 5: Maximum water ages (h) in Vaughan (all zones) under ADD EPS conditions

Figure 6: Cumulative distribution of maximum water ages (h) in Vaughan (all zones) under ADD EPS conditions


Location: Vaughan, ON, Canada

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