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Ottawa homeowner resource

Ottawa basement flood protection guides.

Find practical guidance on backwater valves and sump pumps, with clear notes on what each can protect, City requirements and the questions to ask before work begins.

These guides are general homeowner information. A qualified plumbing professional must assess the property, and Ottawa’s current requirements govern.

Choose a topic

Start with the question you need answered.

Each guide covers a distinct part of the decision. Compare sewer-backup protection with groundwater management, then confirm project-specific details with Ottawa or a qualified professional.