Changes

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

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;

* Water Management on a Watershed Basis: Implementing an Ecosystems Approach

* Subwatershed Planning; and

* Subwatershed Planning

* Integrating Water Management Objectives into Municipal Planning Documents.

* 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

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:

practitioners guides to stormwater management planning:

* Stormwater Quality Best Management Practices; and

* Stormwater Quality Best Management Practices

* Stormwater Management Practices Planning and Design (SMPPD) Manual.

* 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

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.

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;

* 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;

* 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);

* 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;

* documented the performance of monitored SWMPs

* incorporated design considerations for SWMPs in cold climates;

* incorporated design considerations for SWMPs in cold climates

* provided information on new “state of the art” SWMPs;

* provided information on new “state of the art” SWMPs

* addressed infill projects;

* addressed infill projects

* updated operations and maintenance requirements;

* updated operations and maintenance requirements

* provided design examples for SWMPs;

* provided design examples for SWMPs

* updated material related to planting strategies and the function of plant materials in SWMP design;

* updated material related to planting strategies and the function of plant materials in SWMP design

* provided examples of retrofitting SWMPs; and

* provided examples of retrofitting SWMPs

* outlined integrated planning for stormwater management.

* outlined integrated planning for stormwater management

[[Category:Background]]

[[Category:Background]]