Authority for the Environment, Climate, Energy and Agriculture

Apply for approval as a specialist company for the maintenance of small sewage treatment plants

If you're a specialist company that wants to maintain small wastewater treatment plants, you need a permit. Here you can find information about the process, costs, duration, and required documents.

Detailed description

Wastewater treatment plants, such as small sewage treatment plants, require regular maintenance by specialized companies. If you want to operate as a specialized company for the maintenance of small sewage treatment plants, you need a license. You must apply for this license from the responsible authority.

 

Information

Prerequisites

They have the necessary expertise, equipment and vehicles.

Documents required

  • Commercial license
  • Information about your company's vehicle and equipment
  • Evidence of the qualifications, expertise and experience of your staff
  • Evidence of adequate liability insurance coverage

Depending on the circumstances of the individual case, the responsible authority may request further documents from you.

Please note

No

Deadlines

Application deadline: None


However, you must have the authorization before you begin to practice your activity.

Procedure

  • You submit your informal application by post or email to the responsible authority.
  • The responsible authority will examine your application and, if necessary, request any missing documents or information from you.
  • The responsible authority will inform you of the decision on your application in writing.

Processing time

Up to several weeks.

Fees

Please inquire by phone

Legal remedies

An objection can be lodged against a decision within one month of receipt.

Legal basis

Section 15 of the Hamburg Wastewater Act (HmbAbwG)


https://www.landesrecht-hamburg.de/bsha/document/jlr-AbwGHAV6P15

Links on hamburg.de

Address and contact information

Authority for the Environment, Climate, Energy and Agriculture

Wastewater Management

We have a limited number of customer parking spaces. To reserve a parking space, please contact our receptionist by e-mail at zugang@bsw.hamburg.de 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.

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Keywords: Small sewage treatment plants, approval of specialist companies for maintenance Wastewater treatment plants, approval of specialist companies for maintenance

Last updated: 06.02.2026