This report describes the Great Lakes Basin's geology, soils, minerals, climate, surface and ground water, vegetation, wildlife and economic and demographic characteristics. It inventories available information on waste disposal operations, lakeshore and river-bank erosion, high-density nonsewered residential areas and recreational land uses as well as materials application of agricultural chemicals, fertilizers, lime, animal wastes and salts on the highways. Finally, future trends and projections are shown for the above categories.