Title: Water quality
Subjects: Water, Pollution, United States, Nonpoint source pollution, Water quality management, Evaluation, Government policy, United States. Environmental Protection Agency, Public health, States, Colorado River Basin Salinity Control Project (U.S.), Catalogs, Data processing, Water quality, Management, Environmental policy, Boats and boating, Urban runoff, Rules and practice, Waste disposal, Prevention, Finance, Testing, Water salinization, Water conservation
Places: United States, Imperial County, California, New River (Mexico and Calif.), Colorado River Watershed (Colo.-Mexico)