Infrastructure Master Plan

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A growth-focused plan for Ottawa’s water resource systems

The Infrastructure Master Plan (IMP) is a strategic document that sets growth-related goals, objectives, and priorities for municipal infrastructure related to water purification and distribution, wastewater collection and treatment, and stormwater management, supporting the City’s New Official Plan project. The Official Plan provides a vision for the future growth of the City and a policy framework to guide the City’s physical development.

A key focus of the updated IMP will include developing strategies and programs aimed at managing infrastructure capacity to support increasing rates of intensification. Projects will be identified in order to achieve expected levels of service for community infrastructure while being socially, environmentally, and economically conscious of our water resources and assisting to implement the City’s climate change strategy. Infrastructure needs and cost forecasts to the year 2046 will also be identified, in keeping with the Official Plan’s horizon.

Preparation of the plan will follow City Council’s adoption of the Official Plan and will be coordinated with the Long Range Financial Plan, the Comprehensive Zoning By-law Review, the Comprehensive Asset Management (CAM) and the Wet Weather Infrastructure Management Plan.



A growth-focused plan for Ottawa’s water resource systems

The Infrastructure Master Plan (IMP) is a strategic document that sets growth-related goals, objectives, and priorities for municipal infrastructure related to water purification and distribution, wastewater collection and treatment, and stormwater management, supporting the City’s New Official Plan project. The Official Plan provides a vision for the future growth of the City and a policy framework to guide the City’s physical development.

A key focus of the updated IMP will include developing strategies and programs aimed at managing infrastructure capacity to support increasing rates of intensification. Projects will be identified in order to achieve expected levels of service for community infrastructure while being socially, environmentally, and economically conscious of our water resources and assisting to implement the City’s climate change strategy. Infrastructure needs and cost forecasts to the year 2046 will also be identified, in keeping with the Official Plan’s horizon.

Preparation of the plan will follow City Council’s adoption of the Official Plan and will be coordinated with the Long Range Financial Plan, the Comprehensive Zoning By-law Review, the Comprehensive Asset Management (CAM) and the Wet Weather Infrastructure Management Plan.



  • Technical Studies

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    The IMP update is supported by several technical studies. The studies will:

    • analyze the performance of the water and wastewater infrastructure under the full range of potential operating conditions, today and in the future;
    • review and update system design criteria;
    • develop strategies to adapt to the impacts of climate change;
    • assess the servicing requirements created by suburban growth and intensification, including new high-density development around rapid transit stations;
    • identify growth-related water and wastewater projects and cost estimates;
    • consider opportunities to coordinate rehabilitation of existing infrastructure in the central area with planned projects, to save money and limit disruption to the public;
    • examine the options available to support safe and cost-effective village growth;
    • identify high level stormwater management concepts, criteria and study requirements for growth areas to support system resiliency; and
    • evaluate and document opportunities for stormwater retrofit in existing areas, and Low Impact Development measures in growth areas to mitigate development impacts on City watercourses.

  • Class Environmental Assessment

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    The IMP update is intended to satisfy the Class Environmental Assessment (EA) process for Master Plans. This implies a broad level of assessment. Class EA public consultation requirements will be coordinated with notices and events associated with the new Official Plan process.

    Notice of Commencement

  • How can I get involved?

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    There are several ways you can stay informed and engaged throughout the study process:

    • Sign-up to the project’s email list to receive updates on the planning study’s progress and notification of all public events (imp-pdi@ottawa.ca)
    • Attend public events
    • Visit this webpage to stay up-to-date about upcoming events and current information
    • Contact the Project Team during the process to request information, ask questions, submit feedback or meet in-person
Page last updated: 17 Nov 2023, 02:10 PM