ARA Wasserfeld

Waste water treatment plant in Welsberg

The sewage treatment plant was dimensioned and engineerized for a 47.000 inhabitants equivalent capacity, in the way to satisfy the needs of population in local areas, of tourism, of industry and artisan shipment, guarantying in the meanwhile higher levels in quality, with the maximum efficiency in organic pollutant load knocking down and  phosphoric and nitrogen components strong reduction.

The target of sewage treatment is reached with physical, biological, chemical and biochemical processes.

The plant is looked after all year round and around the clock by three trained clarification specialists.


Tour of the Plant


Would you like to get a picture of our work for yourself?

Then we look forward to your visit, our employees will be happy to accompany you through the plant and show you,
how we treat your wastewater.

Please fill out this form and send it to us, we will contact you to make an appointment.

The guided tours are free of charge.

Contact Staff


Phone number attachment: 0474 944 881

Your contact persons at Wasserfeld:



Direct number:

Lorenz Gitzl Plant Manager; Plant Engineering 0474 9464 15
Alfred Wurzer Measurement and control technology 0474 9464 16
Christoph Zelger Process engineering 0474 9464 17
Rita Tempele Cleaning  



ARA Pustertal AG
wastewater treatment plant Wasserfeld
Hauptstrasse 22

opening hours

Monday: 08:00-12:00, 13:30-17:00
Tuesday: 08:00-12:00, 13:30-17:00
Wednesday: 08:00-12:00, 13:30-17:00
Thursday: 08:00-12:00, 13:30-17:00
Friday: 08:00-12:00
Saturday: closed
Sunday: closed

standby service


The system is monitored around the clock by on-call service.
For emergencies outside our opening hours, please contact our on-call number: 340 331 9900 or 0474 94 48 23