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Region of Peel Wastewater By-law Discharge Agreement (dewatering)
Written authorization or a Discharge Agreement under Peel's Wastewater By-law 53-2010. Water not from the Region supply may go to sanitary sewers only when expressly authorized, with fees paid [PEEL].
You need it when: Discharging construction dewatering (groundwater) or other non-Region water to a Peel sanitary or combined sewer.
Why it's needed
- Unauthorized discharges to Peel sanitary sewers are prohibited [PEEL].
When to apply
- Before dewatering starts; sampling and treatment design take time.
- Storm sewer discharges in Mississauga need a separate City approval [MISS].
Review time
Plan for about 20 business days. estimate
Documents for a complete application
- Discharge application with flow rates and duration
- Water quality results against by-law limits
- Treatment system details and monitoring plan
- Hydrogeological report
How to submit
- Region of Peel Environmental Control: 905-791-7800 [PEEL].
Fees
Sewage service charges set in the Discharge Agreement [PEEL].
Official pages
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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.