Permit Library › Municipal: City of Toronto › Toronto Water & Engineering & Construction Services › Sewer discharge (dewatering)
Private Water Discharge Agreement: Long Term (permanent drainage)
Agreement for permanent discharge from a private drainage system. Terms up to 1 year, renewable [TO].
You need it when: A finished structure discharges groundwater to City sewers permanently (e.g., foundation drainage).
Why it's needed
- Required for permanent private-water discharge to City sewers.
When to apply
- Before operations; operational design details are needed.
Review time
Plan for about 30 business days.
Documents for a complete application
- Private Water Discharge Approval Application: Form 1 + Form 3 (long-term) with checklists; a short-term approval is not issued for a building with a private water drainage system until the long-term application is also submitted [TO form 15-0040]
- Private Water Discharge Approval Application
- Long-term flow & quality assessment
- Foundation Drainage Policy compliance
Submission checklists
How to submit
- Email pwapplication@toronto.ca [TO].
Forms and guides
- Private Water Discharge Approval Application (construction dewatering) (City of Toronto, application form)
- Foundation Drainage Guidelines (City of Toronto, guide)
- Foundation Drainage Policy FAQ (City of Toronto, guide)
Official pages
Track Private Water Discharge Agreement: Long Term (permanent drainage) 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.