MississaugaBuilding PermitsPlumbing & Drains
Water Service Pipe Sizing Part 9 – Residential
Published by City of Mississauga
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This is the City of Mississauga’s document, as published on its website on 19 October 2026. The municipality may have changed it since: check the current version at the source. Legal notice
Overview
A one-page City of Mississauga sizing sheet for the water service pipe of a residential building containing one or more dwelling units. Part 1 tabulates hydraulic load in fixture units — bathroom groups at 3.6 and 6.0, then bathtubs, showers, bidets, clothes washers, dishwashers, water closets, hose bibbs and sinks — beside the minimum supply pipe size for each. Part 2 reads that total against maximum allowable length to give a service pipe size, and points to Peel Region for new connections and upgrades.
What it covers
- Water service pipe sizing Part 9 – Residential
- Part 1 – Hydraulic load (fixture unit) calculation
- Part 2 – Sizing of the water service
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