See also:

• Regional: North America: United States: Science and Environment: Water Resources  (32)
• Science: Environment: Water Resources  (1,433)

• Office of Water, U.S. EPA   - Directory and searching of U.S. EPA water-related web resources, imagery, animations, kid's pages, publications, and links about U.S. water resources.

• American Heritage Rivers initiative - Program to protect and restore America's rivers and their watersheds. Includes information to help local communities become involved in river projects.
• EPA Fish and Wildlife Consumption Advisories - These advisories inform the public that high concentrations of chemical contaminants have been found in local fish and wildlife and include recommendations to limit or avoid consumption of certain fish and wildlife species from specific U.S. waterbodies or waterbody types.
• EPA Office of Ground Water and Drinking Water - Works to ensure safe drinking water and to protect the quality of our Nation's Drinking Water Supply.
• National Pollutant Discharge Elimination System - Information on the NPDES permit program which requires all point sources discharging pollutants into waters of the United States to obtain a permit.
• Oceans and Coastal Protection - Overview of Ocean and Coastal Protection activities and programs, including coral reefs, marine debris, dredge material management, atmospheric deposition program, and the National Estuary Program.
• Total Maximum Daily Load Program - TMDL is a calculation of maximum amount of a pollutant that a waterbody can receive and still meet water quality standards, and an allocation of that amount to the pollutant's sources.
• U.S. EPA Office of Wastewater Management - Information on wastewater treatment technologies, NPDES permitting requirements, biosolids management, EPA water quality initiatives, and other water quality topics.
• U.S. EPA Wetlands Homepage - Works to encourage and enable others to act effectively in protecting and restoring the nation's wetlands and associated ecosystems.