Service Description: The data depicts regulated areas within the Toronto and Region Conservation Authority (TRCA) area of jurisdiction and is governed by paragraph 2 of subsection 28 (1) of the Conservation Authorities Act and section 4 of Ontario Regulation 41/24: Prohibited Activities, Exemptions and Permits. Some regulated features may not appear in the data. In the case of a conflict, the description of regulated areas in the Act and the Regulation prevails over the depiction of the areas. For more information, please contact TRCA at regulationmapping@trca.ca
Last Update Date: April 28, 2026
Service ItemId: 77304275d0214ca99d146248f4b2baa5
Has Versioned Data: false
Max Record Count: 2000
Supported query Formats: JSON
Supports applyEdits with GlobalIds: False
Supports Shared Templates: True
All Layers and Tables
Layers:
Description: Not all regulated areas may be mapped. Boundary
lines are a conceptual representation of TRCA's
Regulation limit and should not be relied upon as a
precise delineation. A feature or hazard does not have to be
mapped to be regulated. See text of the
Conservation Authorities Act and
Ontario Regulation 41/24 for details.
Information in this viewer is not intended to
constitute advice nor is it to be used as a substitute
for specific advice from a qualified professional. You
should not act, or refrain from acting, based upon
information shown in the viewer without verifying the
information with TRCA staff and, as necessary,
obtaining professional advice regarding your
particular facts and circumstances.
By checking 'I agree', you agree that you have read,
understand, and accept the terms and conditions
described and you agree to be bound by the TRCA Terms of Service and the
TRCA Privacy Policy. The Services are
offered to you conditioned on your acceptance
without modification of this Agreement, including
without limitation, TRCA's right to use all data
collected.
TRCA
Spatial Reference: 26917 (26917)
Initial Extent:
XMin: 603139.312916426
YMin: 4851698.96272657
XMax: 618656.818644132
YMax: 4862274.8260995
Spatial Reference: 26917 (26917)
Full Extent:
XMin: 578513.0298
YMin: 4826405.8637
XMax: 662596.2495
YMax: 4878097.0546
Spatial Reference: 26917 (26917)
Units: esriMeters
Child Resources:
Info
SharedTemplates
Supported Operations:
Query
ConvertFormat
Get Estimates
Create Replica