This page summarizes the main legislative documents which apply to eutrophication in estuarine and coastal waters in the United States and European Union

United States	European Union
Clean Water Act of 1972 Air Pollution Prevention and Control Act of 1977 Coastal Zone Management Act of 1972 Harmful Algal Bloom and Hypoxia Research and Control Act of 1998	EU Water Framework Directive Urban Waste Water Treatment Directive Nitrates Directive Shellfish Directive Bivalve Transport Directive OSPAR, HELCOM and Barcelona conventions