Apply for a sewer connection
Application to connect a new building or a renovated building to the public sewer system, submitted to the municipal civil engineering office or the municipal sewer utility.
How to proceed
- 1
Submit an application to the Department of Public Works or the wastewater treatment plant
Including a site plan and a drainage plan for the building.
- 2
Have the connection sized
The Public Works Department determines the connection size and the location of the service entrance.
- 3
Pay the connection fee and have the work performed
Civil engineering work performed by a licensed contractor; inspection and approval by the authorities.
Required documents
- Drainage PlanMandatory
Schematic representation of the wastewater drainage system on the property.
Responsible authority
The authority of your main place of residence is responsible.Find authority →
Fees
Varies by case
Processing time
approx. 2 weeks
Official: max. approx. 3 weeks
Online application
In person or by post
Common mistakes
- • The application was not submitted at the same time as the building permit
- • Separation system (sewage/stormwater) not followed
Common reasons for rejection
- • There is no sewer system on this street
- • Connection fees not paid
You can usually file an objection against a rejection.
The essentials before applying
Who is eligible?
Homeowners who wish to connect their property to the public sewer 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. 2 weeks
Success rate
approx. 95.0 % (estimate)
Most common mistakes
- •The application was not submitted at the same time as the building permit
- •Separation system (sewage/stormwater) not followed
Common reasons for rejection
- •There is no sewer system on this street
- •Connection fees not paid
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.