Whitewater Lake is a lake in the city of Sudbury, Ontario. The community of Azilda borders its eastern shore. The lake is host to a number of amateur fishing tournaments, and it was the site of an annual powerboat racing championship. It is the site of the Sudbury/Azilda Water Aerodrome, which supports a number of aircraft capable of landing on water. Duriā¦Whitewater Lake is a lake in the city of Sudbury, Ontario. The community of Azilda borders its eastern shore. The lake is host to a number of amateur fishing tournaments, and it was the site of an annual powerboat racing championship. It is the site of the Sudbury/Azilda Water Aerodrome, which supports a number of aircraft capable of landing on water. During the winter months, a village of ice huts forms on the lake near Azilda's Centennial Park.