Establishes the basis on which plans for grading and disposal of storm and surface water are approved for development in Oshawa. Note: piped water/sanitary-sewer service in Durham Region is a Regional (upper-tier) function, not the City's; only storm-sewer regulation sits with Oshawa.
Water & sewer — Oshawa, Ontario
What are the water and sewer rules and rates?
The City of Oshawa, Ontario has 2 adopted bylaws on file: Storm Sewer Connection By-law 9-90; Storm Sewer Use By-law 46-2013, verified 2026-08-23.
Regulates the discharge of water and waste into, and connections to, the municipal storm sewer and foundation drain systems in Oshawa.