Guidelines: For the review of development applications involving contaminated or potentially contaminated sites

Published by Town of Milton

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This is the Town of Milton’s document, as published on its website on 23 October 2026. The municipality may have changed it since: check the current version at the source. Legal notice

Type: Guide
Published by: Town of Milton
Date: April 2026
Also called: Guidelines for Reviewing Contaminated or Potentially Contaminated Sites
For: designer
Building types: All building types
Pages: 21
Agencies: Halton Region · Development Engineering · Development Review
Instruments: Ontario Regulation 153/04 · Planning Act · Bill 23, More Homes Built Faster Act, 2022 · Bill 185, Cutting Red Tape to Build More Homes Act, 2024

Overview

The Town of Milton's 21-page guidelines, dated April 2026, for reviewing development applications involving contaminated or potentially contaminated sites. They set out the purpose, who prepares Environmental Site Assessments, when they apply and when they do not, the Town's role since the Halton area planning memorandum, and the review process, peer review, reliance letters, Phase One and Two assessments, remediation, risk assessment, Record of Site Condition, land dedication and legislation. Four attachments follow. The guidelines are formerly known as the Halton Region Protocol.

What it covers

What is the purpose of this document?
Who should prepare Environmental Site Assessments?
When are Environmental Site Assessments required?
When are Environmental Site Assessments not required?
Review Process
Peer Review
Reliance Letter
Environmental Site Screening Questionnaire and Declaration
Phase One Environmental Site Assessment
Phase Two Environmental Site Assessment
Remedial Action Plan
Remediation Report
Risk Assessment
Record of Site Condition
Certificate of Property Use
Requirements for Municipal Land Dedication
Official Plan and Policies
Legislative Framework
Attachment #1
Attachment #2
Attachment #3
Attachment #4
Town of Milton - Peer Review Checklist

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Guidelines: For the review of development applications involving contaminated or potentially contaminated sites

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