From blue sky to reality┬áBluewater Health is amalgamating all of SarniaÔÇÖs hospital services on one site through a big construction and renovation project. Tracy Gazarek explains to Gay Sutton how the project was designed for the local community and to help protect the environment. On the shores of the southernmost tip of Lake Huron lies the city of Sarnia, Ontario. Enjoying an enviable position at the point where the St. Clair River exits the Great Lakes, it is one of the busiest gateways to the US from Ontario.