Stormwater Management Requirements for Land Development Proposals

This document is a guidance tool developed to specify the requirements and mandate of the Ministry of Transportation (MTO) related to stormwater management for municipal development. It outlines specifically what information should be included in stormwater management reports required in support of applications for Encroachment and/or Development and Land Use Permits. The information is for use by consultants, developers, municipalities, other government agencies and MTO staff.

The following two sections should be read by all users to identify the general purpose of this document and the policy framework associated with stormwater management report submissions to MTO:

  • "About this Document" - This section provides a general description of this document and its purpose.
  • "Review These Points Before Proceeding" - All users should refer to this section for important instructions and information for individual preparing stormwater management report prepared for submission to MTO.

A number of navigation options have been provided in this document to facilitate access to the different sections. They include:

  • "Quick Reference Guide" is a list of the different task groups for a quick review of the document content with links to the different sections that address the drainage issues identified.
  • "Task Summary Chart" is a chart of the tasks required to complete the stormwater management report. Each task in the chart is linked to the detailed descriptions of the different actions that need to be completed.
  • An index is provided in the frame on the left hand side with links to the different sections
  • "MTO Approvals" - this is a shortcut link to the section which provides the information required to determine whether or not a stormwater management report is required by MTO.
  • "Checklists" - give a summary table of all the drainage tasks that may be required to be addressed. Links are provided to print each checklist.

The MTO Drainage Management Manual (DMM) is referenced throughout this guide. The Drainage Management Manual is available in digital format through the MTO Online Library Catalogue. Hard copies can be purchased from Publications Ontario Online.

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