Seewis iP Vorderes Prattigau
Seewis im Prättigau, Graubünden/Grischun/Grigioni
Seewis iP Vorderes Prattigau is a wastewater treatment plant serving about 11,926 people in Seewis im Prättigau, Graubünden, Switzerland. It operates under Swiss water protection regulations.