The VEAS plant is Norway's largest wastewater treatment plant, and is a crucial contributor to the efforts to keep the Oslo Fjord clean. 
 
VEAS is an inter-municipal partnership owned by the municipalities of Asker, Bærum and Oslo. The company's and owners' responsibilities and obligations are stated in the Agreement and the Articles of Association. 
 
Wastewater from more than 600,000 inhabitants in Oslo, Bærum and Asker are transported via the VEAS tunnel from the point of entry into the municipalities and out to the treatment plant at Bjerkås Asker. 

VEAS also cleans wastewater from Røyken and Nesodden municipalities. The facility is located in mountains and is in operation 24 hours a year, all year round. VEAS has about 90 employees.