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In 1993, the Ontario Ministry of the Environment and Energy and Ontario Ministry of
 
In 1993, the Ontario Ministry of the Environment and Energy and Ontario Ministry of
Natural Resources released three policy documents that focused on integrating water
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Natural Resources released three policy documents focusing on integrating water
 
resources management and urban planning:
 
resources management and urban planning:
   −
* Water Management on a Watershed Basis: Implementing an Ecosystems Approach;
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* Water Management on a Watershed Basis: Implementing an Ecosystems Approach
* Subwatershed Planning; and
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* Subwatershed Planning
* Integrating Water Management Objectives into Municipal Planning Documents.
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* Integrating Water Management Objectives into Municipal Planning Documents
       
These documents heralded a new approach to water management in Ontario. They
 
These documents heralded a new approach to water management in Ontario. They
 
emphasized the need for an increased focus on protecting the natural environment and
 
emphasized the need for an increased focus on protecting the natural environment and
the need to expand stormwater management practices to pay more attention to water
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the need for stormwater management practices to pay more attention to water
 
quality and environmental concerns, in addition to addressing traditional water quantity
 
quality and environmental concerns, in addition to addressing traditional water quantity
 
concerns.
 
concerns.
      
In 1994, the Ontario Ministry of Environment and Energy (OMOEE) released two
 
In 1994, the Ontario Ministry of Environment and Energy (OMOEE) released two
practitioners’ guides to stormwater management planning:
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practitioners guides to stormwater management planning:
   −
* Stormwater Quality Best Management Practices; and
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* Stormwater Quality Best Management Practices
* Stormwater Management Practices Planning and Design (SMPPD) Manual.
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* Stormwater Management Practices Planning and Design (SMPPD) Manual
       
The OMOEE SMPPD manual was intended to introduce practitioners to a broad range
 
The OMOEE SMPPD manual was intended to introduce practitioners to a broad range
of stormwater management facilities that were designed to not only offset the effects of
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of stormwater management facilities designed to not only offset the effects of
 
hydrologic changes of urban development on streams and rivers, but also address
 
hydrologic changes of urban development on streams and rivers, but also address
 
water quality and erosion impacts. The SMPPD manual also provided detailed
 
water quality and erosion impacts. The SMPPD manual also provided detailed
 
guidance on how to design and build multi-purpose facilities and included sections on
 
guidance on how to design and build multi-purpose facilities and included sections on
operations and maintenance, as well as environmental monitoring requirements.
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operations and maintenance and environmental monitoring requirements.
 
      
In 2003, OMOE released a new Stormwater Management Planning and Design Manual,
 
In 2003, OMOE released a new Stormwater Management Planning and Design Manual,
 
which significantly updated and expanded on the 1994 version. The 2003 manual:
 
which significantly updated and expanded on the 1994 version. The 2003 manual:
   −
* provided an overview of the impacts of urbanization on the hydrologic cycle and stream ecosystems;
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* provided an overview of the impacts of urbanization on the hydrologic cycle and stream ecosystems
* addressed the evolution of the watershed planning process and implications for the design process;
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* addressed the evolution of the watershed planning process and its implications for the design process
* incorporated water quantity, erosion control, water quality protection, and water balance principles into the selection and design of stormwater management practices (SWMPs);
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* incorporated water quantity, erosion control, water quality protection, and water balance principles into the selection and design of stormwater management practices (SWMPs)
* documented the performance of SWMPs that have been monitored;
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* documented the performance of monitored SWMPs
* incorporated design considerations for SWMPs in cold climates;
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* incorporated design considerations for SWMPs in cold climates
* provided information on new “state of the art” SWMPs;
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* provided information on new “state of the art” SWMPs
* addressed infill projects;
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* addressed infill projects
* updated operations and maintenance requirements;
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* updated operations and maintenance requirements
* provided design examples for SWMPs;
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* provided design examples for SWMPs
* updated material related to planting strategies and the function of plant materials in SWMP design;
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* updated material related to planting strategies and the function of plant materials in SWMP design
* provided examples of retrofitting SWMPs; and
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* provided examples of retrofitting SWMPs
* outlined integrated planning for stormwater management.
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* outlined integrated planning for stormwater management
    
[[Category:Background]]
 
[[Category:Background]]
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