. . . "Chapfensee"@en . . "Chapfensee is a reservoir at Mels, Canton of St. Gallen, Switzerland. The area around the reservoir is a nature preserve.The reservoir was built in 1946/1947 and used to generate power at the plant Plons."@en . . "430000.0"^^ . "1030.0"^^ . . "90000.0"^^ .