About us

HFS Aqua AG (formerly WABAG Wassertechnik AG) is a Swiss company operating nationwide in the planning and construction of drinking water and wastewater treatment plants. For over 60 years, we have been offering sustainable and innovative solutions tailored to the needs of our diverse customers.
The optimal synergy of above-average quality, many years of experience and state-of-the-art technology has made us the partner of choice when it comes to customised water treatment.
After commissioning, our service team is always available to ensure flawless and optimal operation. ..
Clean water – everywhere, anytime, for everyone ..

WATER
Treatment of groundwater, spring water and surface water. HFS Aqua AG offers all technologies used in drinking water treatment. From classic room filters to membrane filtration and multi-barrier systems to special applications such as iron removal or arsenic removal. We also work with our customers to develop and implement technically advanced, individually tailored solutions to combat quagga mussels and chlorothalonil metabolites.

WASTEWATER
Municipal and industrial wastewater treatment. As Switzerland's leading company in the field of process engineering equipment for wastewater treatment plants (WWTP), HFS Aqua AG has in-depth knowledge and state-of-the-art technologies for the construction, capacity expansion and modernisation of WWTPs. We cover the entire process engineering spectrum: pre-treatment, biological treatment, tertiary treatment, trace substance removal and sludge treatment.