Online-Service available

Authority for the Environment, Climate, Energy and Agriculture

Show change of operator of a system for dealing with water-polluting substances (AwSV system).

If you take over a facility that handles water-polluting substances, you must report this change of operator to the responsible authority.

Important notes


You take over the operation of a system for dealing with water-polluting substances.

Documents required

Contracts or agreements proving the change of operator

Please note

As a new operator, you are responsible for reporting this. When reporting the change of operator, you must provide both your data and the data of the previous operator. You must provide proof of the change of operator.


The notification must be made no later than six weeks before the final change of operator takes place.

Procedure & Fees


  • You report the change of ownership in writing to the responsible authority or use the online service.
  • Attach documents to your notification that prove the change of ownership.
  • You will receive confirmation of receipt of your ad
  • The responsible authority will check your documents for completeness and, if necessary, request any missing information or documents.
  • Your report will be saved with the responsible authority

Processing time

It will take you about 10 minutes to file the complaint. The processing time in the responsible authority depends on the type and scope of the individual case.



Legal notes

Legal remedies

This is a report from you. There is no legal remedy provided.

Legal basis

§40 Ordinance on facilities for handling water-polluting substances (AwSV)

Service description

When taking over an existing system for handling water-polluting substances, you as the new operator of the system are obliged to report this change of operator to the responsible authority. By submitting the notification, you provide the responsible authority with information about the previous and new operators, the owner and the takeover of the system. The obligation to report does not apply to heating oil consumer systems.

Enlarge map

Address and contact information


Authority for the Environment, Climate, Energy and Agriculture
Wastewater Management
Neuenfelder Straße 19 21109 Hamburg

Facility info

Mensch in einem Rollstuhl Accessible

We have a limited number of customer parking spaces. To reserve a parking space, please contact our receptionist by e-mail at or by telephone on +49 40 428 40 - 50 50. Our working hours are: Monday to Thursday from 8:00 a.m. to 3:15 p.m , Friday from 8 a.m. to 1:30 p.m.

Public transport

S3/S31 Wilhelmsburg, Bus 13/151/152/154/156//155/252 Inselpark

Public Service Disclaimer

Please note: This service on uses machine translations powered by Google. Some content may not be translated accurately or reliably. The translations are constantly being improved. If you have any issues with Google Translate, please visit