G.A.A. - innovative sewage treatment plants and waste water technology
With the experience of more than 400 sewage treatment plant projects, G.A.A. offers optimal solutions for designers, approval authorities, owners and operators.
Benefits for Engineers and Authorities
- technologies in accordance with the generally acknowledged rules of technology
- professional consultancy
- scientific and engineering support
- support during object monitoring
- application of internal research and development studies
Benefit for Owners and Operators of Wastewater Treatment Plants
- secure purification results
- high operational reliability
- low operating costs
- simple maintenance
- consultancy and support
- training for wastewater treatment plant staff

CWSBR®-Technology
The process for extension and renovation of pond sewage treatment plants

Line-Aerator
Proven aeration system for pond treatment plants for more than 30 years
Our range of services
With our 30 years of experience, we are a competent partner when it comes to the design, development or construction of sewage treatment plants. We support you in your project in many areas with expertise and commitment.

Professional consulting
Our team of specialists will advise you comprehensively and competently on your project.

Project studies
We support you in the preparation of complex project studies.

Technical discussions
We advise you for technical discussions at the responsible water authority.

Transfer of knowledge
We offer you the use of in-house research and development results.

Object supervision
We support you in the organisation and execution of property supervision.

Training
We train personnel for the operation of sewage treatment plants.