Related services

Water outlet for garden irrigation

If you do not discharge large quantities of irrigation water for your garden into the municipal sewage system, you can apply for a reduction in the drainage fee.

Permit for rainwater infiltration

If you wish to infiltrate rainwater in a targeted manner, you must obtain a water law permit under certain conditions.

Amalgam separator authorisation

If you operate a dental practice, no liquids or substances classified as hazardous may be discharged into the municipal drainage system.

Notification of start of work on site drainage

If you wish to carry out work on property drainage systems, the company carrying out the work must notify the municipal drainage department before starting construction.

Temporary sewer connections

If you are planning construction site facilities or events (street parties, etc.), you can request temporary sewer connections for sanitary containers.

Site drainage digital plan copy

If you require a copy of the drainage plan for your property drainage system, you can submit an application here.

Authorisation for waste water from façade cleaning

A discharge permit is required for the discharge of wastewater from surface cleaning (e.g. facades, underground car parks) into the municipal sewage system.

Inspection of site drainage plans

If you would like to view the drainage plans for your detached house or apartment block, you can make an appointment.

Closure of duct connections

On request, sewer connections can be closed permanently or temporarily to secure the sewer and excavation pit during construction work.