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Generic RegulationsScreening line - Updated December 2012
Components:
Crest of Slope (15 m Buffer);
Slope Hazzard (15 m Buffer);
Drainge (15 m Buffer);
Floodlines (15 m Buffer);
Meander Belt (15 m Buffer);
Wetlands (30 m Buffer & 120 m Buffer).
TRCA’s Regulation mapping is a tool that conceptually shows the area of land within TRCA’s jurisdiction that is likely to be subject to the Regulation. The Regulation limit boundary is based on the best technical information available to TRCA at the time of the preparation of the map. Technical analysis that supports the mapping includes flood plain studies, provincial wetland mapping, ecological land classification mapping, digital elevation models, aerial photography, watercourse meander belt analysis, watercourse location mapping and Lake Ontario shoreline hazard assessment studies. The last jurisdiction-wide update was completed in 2006 as part of the Generic Regulation conformity exercise. The 2019 comprehensive update to the existing mapping has been undertaken to reflect new technical information on current aerial photography. TRCA is following the guidance provided by Conservation Ontario for regulation mapping updates.
Changes to the mapping include:
Revised wetland and area of interference limits associated with new and updated wetland evaluations and mapping by Ministry of Natural Resources and Forestry and TRCA;
Adjustments to flood hazard limits as a result of updated floodplain mapping;
Changes to features and hazards resulting from as-built development approved by TRCA (e.g. watercourse channel realignments);
General refinement of regulated features resulting from detailed site examination and field verification of properties through the development and infrastructure review processes (e.g. top of bank staking) and/or site visits at the request of individual landowners.
Hazards + Allowances = The Approximate Regulation Limit
From a mapping and data perspective, individual data layers are used to represent each hazard and each allowance on the GIS map. This can result in more than one hazard and/or allowance layer being provided for a single property. By combining these various data layers; the Approximate Regulation Limit is generated..
The ARL differs from the Regulation Limit. It is a visual representation (mapping) of the Regulation Limit and should be used as a screening tool to identify hazard vulnerable areas. The Approximate Regulation Limit (ARL) represents a snapshot in time of hazard conditions, based on best available information and may not contain features mapped or modelled after the ARL mapping was produced.
The ARL is approximate only. It does not depict all areas described by the Regulation. Refinements or additions to the mapping may be required through site-specific studies done to the satisfaction of Conservation Halton. These studies may include topographic surveys, field investigations, and staking of natural features such as wetlands and the physical top-of-bank and/or technical studies undertaken by qualified professionals.
Planning Landuse boundaries within the City of Mississauga containing following attribute information: Official Plan Code and Description.
The Mississauga Official Plan is a guiding document whose goals and policies provide direction for the future growth and development within the City while keeping social, economic, cultural and environmental concerns in mind. This Plan aligns itself with the legislative and policy initiatives set out by the Province of Ontario and the Region of Peel.
Coordinate System: NAD 1983 UTM Zone 17N
Individual property boundaries within the City of Mississauga. Attribute information contains Address, Legal Description, Roll Number, Teranet PIN, MAX ID, Property Status, Zoning, Mississauga Official Plan, Existing Landuse, Heritage Status, City Owned Status, MPAC Code, Character Area, Ward, Councillor, ZArea and other information pertaining to the property.
ANSI's (Areas of Natural and Scientific Interest) are polygon features that represent lands and waters containing important natural landscapes or features that are important for natural heritage, protection, appreciation, scientific study or education.