Other elevation models are simply a record of the elevations across an area. Modeling and flooding predictions made by any agency other than the Conservation Authority are of no regulatory effect. The...
How accurate is flood plain mapping?
The information shown on this map series is subject to change. The volume of water introduced into a regional drainage system from rain and snow melt can vary wildly between different points in the sy...
What’s floodplain mapping?
Floodplain mapping defines the limits of the Regulatory Floodplain for a particular watershed, used for regulatory purposes. These maps are produced and maintained by the TRCA (Toronto and Region Cons...
I purchased flood plain mapping and the file I received was 0 kb.
Floodplain mapping is available on an “as-is” basis with no routine update schedule. Sections of floodplain mapping will be updated from time to time as needed when major storm events caus...
Can I get a sample file to try in my own software?
Yes! Several sample files are available in different formats on FBS University Please let us know if there’s something more you’d like to see available.
How much does it cost?
Most downloadable data is priced based on 500m x 500m tiles. For most orthophoto, the cost is $70 per 500m tile, and $150 per 1km tile, with progressive discounts applied automatically for orders grea...
Where can I get more information about floodplain mapping?
By visiting the TRCA’s website.
If my property is outside the regulatory flood line, does this mean I can develop the land as I wish?
In the course of having your development application approved, you may need to apply for a Development, Interference with Wetlands and Alterations to Shorelines and Watercourses permit if your propert...
Is there anything newer?
We update large portions of our aerial imagery every year to keep up with demand for new data, especially in suburban areas where land development is taking place. In the built environment, the imager...
How up to date is flood plain mapping?
Floodplain mapping is available on an “as-is” basis with no routine update schedule. Sections of floodplain mapping will be updated from time to time as needed when major storm events caus...