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A treatment train uses a combination of lot-level or source (LID), conveyance and/or end-of-pipe practices to meet water quality, water quantity, water balance, and erosion design criteria for the site.  These may be implemented to reduce the burden of facility maintenance, address a broader range of design criteria, increase overall treatment system performance, and/or control the rate of flow through downstream facilities.

A treatment train uses a combination of lot-level or source (LID), conveyance and/or end-of-pipe practices to meet water quality, water quantity, water balance, and erosion design criteria for the site.  These may be implemented to reduce the burden of facility maintenance, address a broader range of design criteria, increase overall treatment system performance, and/or control the rate of flow through downstream facilities.

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|+Examples of stormmwater practices that may be used in treatment trains<ref>Ministry of the Ontario Conservation & Parks (MECP). 2021. Understanding Stormwater Management: An Introduction to Stormwater Management Planning and Design. Major concepts and environmental concerns to consider in the Ministry of the Environment’s Stormwater Management Planning and Design Manual 2003. Updated: July 15, 2021. Accessed: https://www.ontario.ca/page/understanding-stormwater-management-introduction-stormwater-management-planning-and-design</ref>

|+Examples of stormmwater practices that may be used in treatment trains<ref>Ministry of the Ontario Conservation & Parks (MECP). 2021. Understanding Stormwater Management: An Introduction to Stormwater Management Planning and Design. Major concepts and environmental concerns to consider in the Ministry of the Environment’s Stormwater Management Planning and Design Manual 2003. Updated: July 15, 2021. Accessed: https://www.ontario.ca/page/understanding-stormwater-management-introduction-stormwater-management-planning-and-design</ref>

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