Submit a drainage application
Application for approval to connect a property to the public sewer system or to modify the drainage system.
How to proceed
- 1
Have a drainage plan drawn up
By an engineering firm or a licensed contractor.
- 2
Submit an application to the Department of Public Works
Including a site plan, cross-sections, and calculations of wastewater volumes.
- 3
Acceptance upon completion
By the Department of Public Works or a commissioned expert.
Responsible authority
The authority of your main place of residence is responsible.Find authority →
Fees
Varies by case
Processing time
approx. 3 weeks
Official: max. approx. 1 months
Online application
Online possible – at the responsible authority
Common mistakes
- • Application not prepared by a licensed contractor/designer
- • Failure to separate wastewater and stormwater
Common reasons for rejection
- • The drainage plan does not meet the technical requirements of the bylaws
You can usually file an objection against a rejection.
The essentials before applying
Who is eligible?
Property owners in the case of new construction, renovation, or modification of the sewage system.
Income limit
The limit varies by household and region – see the table at the responsible authority or in the application assistant.
Processing time
Nationwide: approx. approx. 3 weeks
Success rate
approx. 90.0 % (estimate)
Most common mistakes
- •Application not prepared by a licensed contractor/designer
- •Failure to separate wastewater and stormwater
Common reasons for rejection
- •The drainage plan does not meet the technical requirements of the bylaws
Alternatives
- Check related services in the application assistant
- Use social counselling before applying
If rejected
File a written objection within 30 days – with reasons why the decision is wrong and any missing evidence.