ARA GAV Sierndorf Gollersdorf 1369 KO
Unterhautzental, Niederösterreich
ARA GAV Sierndorf Gollersdorf 1369 KO is a wastewater treatment plant in Unterhautzental, Niederösterreich, Austria, serving approximately 8,422 people. It operates under the EU Urban Waste Water Treatment Directive.