Regional Stormwater Management
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Ontario municipal resources

Markham stormwater and flood-resilience resources.

A growing municipality where public infrastructure, private-side plumbing, drainage and homeowner education all contribute to flood resilience. RSM helps users begin with the local authority, understand the broader system and connect to relevant education, training and practice guidance.

Visit the official Markham websiteFind a Conservation Authority
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Markham stormwater and flood-resilience resources.
Published by: RSMLast reviewed: 2026-07-19Region: Ontario, Canada

Ontario detail within a Canada-wide RSM platform

This page keeps Ontario municipal and regional information specific. Use the Canada hub for national training and organizational pathways. Always confirm current local requirements with the official authority.

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Use the official Markham website for current programmes, permits, construction information, emergency notices and local contacts.

Official Markham websiteFind the local conservation authority

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Official programme link

Basement flooding and Private Plumbing Protection Rebate information

Review the responsible municipality's current eligibility, application, permit and programme requirements before planning work.

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Regional Stormwater Management

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