The online application for the Fire Hydrant Flow Test Permit is now closed for the 2023 season. The online application will become available again for the 2024 season on March 15.
The City of Toronto grants permits to allow for fire hydrant flow tests between April 1 (pending suitable weather*) and November 15. The online application for the Fire Hydrant Use Permit and Fire Hydrant Flow Test Permit is now open for the season.
*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 16 to March 31) 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.
Online 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.
Payment must be made by credit card (American Express, VISA or Mastercard). If you need more information about this payment process, please contact TWC@toronto.ca.
The fee for a Fire Hydrant Flow Test Permit is approved by Toronto City Council annually. All water-related fees are available at Water Rates and Fees.
Appointments can be made between 8 a.m. and 1 p.m., Monday to Friday.
Toronto Water staff will call you within four business days of receiving the application to:
Masks are no longer required but are recommended. If the certified contractor is feeling unwell, contact TWC@toronto.ca to cancel or reschedule the appointment. The following steps will be taken at the fire hydrant:
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.