Great Lakes Areas of Concern rivers, and oceans causing pollution and buildup of sediment. Nonpoint source pollution is said to be the most problematic and hardest to reverse of the types of pollution because it is so hard to regulate and pinpoint where it originates. Many experts agree that nonpoint source pollution is the biggest concern facing the Great Lakes. With the increase of urbanization, a toll has been taken on the lakes in these areas. Lakes that once had stable ecosystems with the appropriate amount of plant life are now full of massive amounts of plants and algae that have been fed by excess
Rivers and Harbors Act of 1965 projects in Rhode Island, New Jersey, South Carolina, Florida, Illinois, and Hawaii. The Act authorized surveys of 19 rivers and bodies of water, including the Great Lakes, Saint Lawrence Seaway and the Gulf Intracoastal Waterway. The Act authorized a complete investigation by the Corps of Engineers of the Chesapeake Bay basin in all aspects, to include navigation, fisheries, flood control, aquatic plants, water quality, water supply, beach erosion, and recreation. each of which deal with water resource issues. Rivers and Harbors Act of 1965 The Rivers and Harbors Act of 1965, Title III of , was enacted October 27, 1965,