City of Waterloo Residential Stormwater Credit

Install rain barrels, cisterns, rain gardens, infiltration galleries or permeable pavers and apply for a credit on the stormwater fee on your utility bill.

• Controls must be on, and serve only, the property applying
• Rain barrels/cisterns: at least 200 litres, covered, with debris screen, at least two barrels, overflow onto grass or garden
• Rain gardens must take runoff directly from a roof or driveway and drain within 72 hours
• Permeable pavers need wide gaps, gravel joints and a stone base of at least 30 cm
• Underground controls built with the original house and new/redevelopment projects do not qualify
• Credit ends if the control is removed or stops working; new owners must reapply

1. 1Have your 7-digit water account number ready
2. 2Download and complete the residential application form, giving the volume or dimensions of each control
3. 3Email it to [email protected] or mail it to the Waterloo Service Centre, c/o Stormwater Credit Program

• https://www.waterloo.ca/water-utilities/manage-drainage-and-stormwater/apply-for-a-stormwater-credit/ (official page)
• https://www.waterloo.ca/media/mcenez3y/stormwater-residential-application.pdf

Last checked October 22, 2026. See something out of date? Tell us.

Sow is not affiliated with any of these agencies or utilities. Amounts and rules change, often at the start of a fiscal year, so confirm the details on the official page before you start a project. How we research these programs