Catchment area Tobl
ARA Tobl disposes of 14 municipalities in Pustertal and has a catchment area of 1,176 km2. This corresponds to 10% of the total area of South Tyrol. When it was commissioned in 1996, the sewage treatment plant Mittleres Pustertal purified the wastewater of the municipalities of St. Lorenzen, Bruneck, Percha, parts of Olang and Rasen-Antholz. In 1997 Sand in Taufers, the municipality of Ahrntal to Steinhaus and the remaining part of Rasen-Antholz followed. In 1998 the municipalities of Prettau and Mühlwald also joined. In the year 2000 the municipalities St. Vigil, Wengen and St. Martin in Thurn were connected.