What are the water and sewer rules and rates?
In the City of Oshawa, Ontario, water & sewer rules are set by Storm Sewer Connection By-law 9-90 and 1 other bylaw, verified 2026-10-18. Connecting to the municipal system is mandatory.
| connection mandatory | yes | s. 2(a) |
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.
Regulates the discharge of water and waste into, and connections to, the municipal storm sewer and foundation drain systems in Oshawa.
rates page: Region of Durham bills water and sewer to Oshawa residents; page opened but no rate figures extracted. Rates are in the Region's Sewer User Rate and water rate by-laws. Oshawa's own fees by-law 109-2024 has no residential water rates.