Property owners, developers and contractors can apply for a permit to have the City turn a fire hydrant on and off in order to measure the flow rate and pressure of a hydrant between April 15 (pending suitable weather*) and November 15. The last day to apply for a Fire Hydrant Flow Test Permit** is November 1. Application and payment must be made at least 10 business days in advance of the desired flow test date.
*The weather must be above zero degrees Celsius to conduct a fire hydrant flow test.
**Flow tests are often needed to help applicants determine how to configure or upgrade a property’s private fire flow system.
Permits during the off-season (November 15 to April 15) are granted on a case-by-case basis and applicants must adhere to strict criteria. If you require a permit during the off-season period, please contact TWC@toronto.ca for an exemption.
Application and payment must be made at least 10 business days in advance of the desired flow test date. Once the application and payment are processed, you will receive a receipt, the permit(s) and Customer Service Request (CSR) number(s) for future reference.
Application and payment can be made in person at:
Toronto Water Customer Service Counter
North York Civic Centre
5100 Yonge St., 2nd floor
Hours: Monday – Friday | 8:30 a.m. – 4:00 p.m.
The fee for a Fire Hydrant Flow Test Permit is approved by Toronto City Council annually. The fee for 2019 is $333.71.
If you are applying online, payment must be made by:
If you are applying in person, payment can be made by:
The payment must be made by one payor. Cheques from multiple different names or companies will not be accepted.
Toronto Water staff will call you within four business days of completing the application to:
The certified contractor must:
Once Toronto Water inspects and approves the above, staff will turn the hydrant on so that the contractor can conduct the test. Once complete, staff will turn the hydrant off.
Applicants are responsible for:
Hydrants can only be operated by City staff. Any unauthorized use of fire hydrants is considered water theft and can result in enforcement of the Water Supply By-law and possible prosecution.