Sewage System Permits

You need a sewage system permit before you install or replace a sewage system on your property in the Township of Douro-Dummer.

Apply for a sewage system permit

Please submit your complete application, including signed permit application, authorization if applying on behalf of the owner, agency approvals, site plan, and completed septic guide. Permit application forms are available inside the permit tracker.

Apply now

It takes generally 6 to 10 business days for us to issue a building permit. If the application is complex, it may take longer.

Application details

Please include the following documents along with your application:

  • Complete Sewage Permit Application
  • Building Permit Application
  • Schedule 1 (designer information)
  • Schedule 2 (sewage system installer)
  • Authorization to act as an agent (if applicable)
  • Site plan/layout
  • Test pit dug to minimum 1.5 m depth



The following fees apply depending on the type of sewage system:

  • Class 2 sewage system permit costs $375
  • Class 3 sewage system permit costs $375
  • Class 4 sewage system permit with a design capacity less than or equal to 4,500 L per day costs $750
  • Class 4 sewage system permit with design capacity more than 4,500 L per day and less than 10,000 L per day costs $1050
  • Class 4 tank (replacement only) costs $375
  • Class 4 bed (replacement only or repair) costs $375
  • Class 5 sewage system (holding tank) costs $750

If you're renovating or changing the use of a sewage system, it costs $250.

For planning applications the following fees apply for sewage system permits:

  • Minor variance and Zoning By-law amendments cost $175
  • Severance and subdivisions cost $175 (per lot)

If you need a copy of a previously issued permit, the cost for the search and digital copy is $45.


You'll need to book an inspection at various stages throughout the process. Learn how to book an inspection.