Casco Bay is one of 28 "estuaries of national significance" designated by the U.S. Environmental Protection Agency. To protect the ecological integrity of the Bay and its watershed, the Casco Bay Estuary Partnership works with its partners to ensure effective management and wise stewardship of the Bay's resources.
Casco Bay Estuary Partnership. (2012). Recent Accomplishments Fact Sheet: 2012. Portland, ME: University of Southern Maine, Muskie School of Public Service, Casco Bay Estuary Partnership.