Permit Library › Other GTA municipalities › Region of York › Water, wastewater & forests
York Region Dewatering Discharge Approval
Approval under the York Region Sewer Use Bylaw. In Aurora, East Gwillimbury, Georgina, Whitchurch-Stouffville and King the Region leads (primary approval). In Markham, Richmond Hill, Vaughan and Newmarket, indirect discharges are approved by the local municipality first and then by the Region (secondary approval) [york.ca].
You need it when: Any dewatering that discharges directly or indirectly to York Region storm or sanitary sewers or land drainage.
Why it's needed
- All dewatering discharges to regional infrastructure need approval [york.ca].
When to apply
- Review takes up to six weeks after a complete application [york.ca].
- Primary approvals pay an application fee plus monthly monitoring and sanitary volume fees [york.ca].
Review time
Plan for about 30 business days. up to 6 weeks [york.ca]
Documents for a complete application
- Dewatering discharge application form [york.ca]
- Hydrogeological assessment and water quality results
- Treatment and monitoring plan
- Local municipality permit (secondary approvals) [york.ca]
How to submit
- Sewer Use Bylaw Services Portal, or sewerusebylaw@york.ca while the portal is unavailable [york.ca].
Fees
Per the Sewer Use Program fee schedule: application, monthly dewatering and volumetric sanitary discharge fees for primary approvals [york.ca].
Forms and guides
- York Region Dewatering Discharge Application Instructions (Region of York, guide)
- York Region Sewer Use Bylaw (Region of York, by-law)
- York Region Sewer Use Bylaw Program Fees 2022–2026 (Region of York, fee schedule)
Official pages
Track York Region Dewatering Discharge Approval free.
Track this permit freeDeadlines in business days, email alerts before decisions are due, and your whole team in one place.
Sources are marked in the text: [TO] toronto.ca pages, [Guide] general industry guidance, [Plan] permit planning practice. Confirm on the official page before applying.