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NPCA Stormwater Manual – Appendices - Niagara Peninsula ...

NPCA Stormwater Manual – Appendices - Niagara Peninsula ...

Stormwater Management, Erosion and Sediment Policies and Criteria Niagara Region and Niagara Peninsula Conservation Authority – DRAFT P2 municipalities within the study area have recently updated or are in the process of updating their OPs. Updated OPs, where available, were reviewed in preparation of this draft document. As illustrated in Figure 3.0, committee meetings were required throughout the entire process to receive input and direction. Appendix E provides copies of the meeting minutes. 1.2 Watershed and Subwatershed Planning The majority of the OPs reviewed provide specific policies that show clear direction on watershed and subwatershed planning (see Section 5.0 for more details). The following provides some example policies contained in the OPs that were reviewed: Undertake watershed and subwatershed planning in areas of urban development pressure and areas where significant environmental concerns have been identified. Work with the CAs, provincial government, neighbouring municipalities, and the county to establish and achieve water quality and quantity objectives; Recommends the ecosystem approach for environmental planning, such as watershed studies, to guide development and conservation at a broad level. Provide general requirements for watershed studies; Town shall participate with the Niagara Region and NPCA to complete watershed studies and provide some key components of a subwatershed plan; Where a major land use change or plan is proposed that goes beyond an individual site specific development proposal such as a ‘Community or Neighbourhood Level’ an Environmental Planning Study will be required; Shall work cooperatively with the CAs, stakeholders and other agencies to prepare and implement watershed plans; and Subwatershed Study TOR to be developed in consultation with the CA and OP outlines what should be included in the subwatershed plan. Once endorsed by Council, the city must implement the recommendations wherever possible through amendments to the OP, Secondary Plans, and zoning by-law amendments. Conditions of approval for new developments, environmental assessments of servicing and infrastructure plans, habitat restoration, and landowner stewardship. See Appendix R for a sample Subwatershed Study TOR. 1.2.1 Trends and Advances Policies in Niagara Region are consistent with what other municipalities are doing. The City of London states in their SWM policies that subwatershed plans are to be prepared and adopted by council. The City of Kelowna, British Columbia recommends in their OP updating drainage basin plans and costs, as required, to reflect development trends, transportation network construction, and impacts related to stormwater. 1.3 Secondary Plans/Neighbourhood Plans/Urban Renewal Plans OPs were reviewed for policies related to Secondary Plans and Neighbourhood Plans. Secondary Plans and Neighbourhood Plans are prepared for specific areas of the municipality to provide a basis for more detailed planning. The following is a summary of some of the policies observed in the OPs: Development of neighbourhoods are planned through preparation of Secondary Plans; Policies provide details as to what Secondary Plans should include and specific goals such as Secondary Planning policies should have flexibility to adapt to new development trends,

Stormwater Management, Erosion and Sediment Policies and Criteria Niagara Region and Niagara Peninsula Conservation Authority – DRAFT P3 All applications for development shall conform to the recommendations in a Secondary Plan as it pertains to the subwatershed plan; The secondary plans shall follow the policy direction of the OP but provide more detail on such things as land use densities and design requirements for compact urban form and redevelopment; The plans are adopted as amendments to the OP; The municipality prepares the TOR as to what the Secondary Plans should include; Secondary Plans should be supported with environmental planning studies; Secondary Plans are not required for individual site specific development proposals; Secondary Plans shall indicate how the goals and policies of the OP are to be implemented prior to development proceeding; and Prior to the approval of any new development, comprehensive Secondary Plans will be required. 1.3.1 Trends and Advances The policies for Secondary Planning are consistent with policies outside the Niagara Region. Many municipalities are coordinating the preparation of Secondary Plans with Subwatershed Planning (refer to Section 4.0). 1.4 Servicing, SWM Requirements and Sediment and Erosion Control The OPs reviewed generally addressed SWM requirements for development. The following are some typical policies found in OPs for municipalities across the Niagara Region and the NPCA watersheds: Prior to the approval of any development application, the County may require the preparation of SWM plans; Policies provide general criteria to be considered for adequate SWM facilities when reviewing applications for development; Detailed SWM studies that provide for erosion and water quality and quantity control shall be required, All new development and redevelopment shall be served by a storm drainage system that is satisfactory to the municipality and NPCA; SWM plans shall be in accordance with existing Master Drainage Plans; Develop comprehensive SWM plans for development in urban areas; Development taking place in isolated areas outside urban areas shall require SWM plans that incorporate on-site control techniques for quality and quantity control; SWM plans shall be designed at a minimum to MOE standards; Policies recognize the need to protect rivers and creeks from destructive effects of stormwater runoff and that SWM plans need to be carried out in consultation with NPCA and Niagara Region to assess downstream constraints; A SWM plan and sediment and erosion plan shall be required with a development application depending on the scale of the development proposal and environmental conditions; SWM plans shall be prepared in accordance with MOE standards and where a Environmental Impact Statement is being prepared for the development, the SWM plan shall be coordinated with, and integrate any recommendations of the Environmental Impact Statement; Accommodate the major and minor system; Storm drainage to be constructed completely separate of sanitary sewers; Plans must include a SWM plan, including lot grading, drainage, erosion and sediment control plans, in accordance with MOE; Maintenance of groundwater quality and flow and storm base flow; Protecting water quality and aquatic species and their habitats;

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