The Environmental Protection Agency's Office of Ground Water and Drinking Water (OGWDW) works together with states, tribes and other partners to protect ground water and the public health by ensuring safe drinking water. OGWDW oversees the implementation of the Safe Drinking Water Act to safeguard tap water in America.
The American Water Works Association, AWWA, is the authoritative resource on safe water. The association works with over 60,000 members worldwide to educate us on water and treatment technology, water resource development, water storage and distribution, and water utility operations.
The Water Quality Association (WQA) is a not-for-profit international trade association that represents industrial, commercial, residential and community water treatment industry. The WQA partners with other organizations representing different aspects of the water industry in order to best serve consumers, industry members and government officials.
Water.org is a nonprofit organization based in the United States that is focused on providing safe drinking water and sanitation to people in developing countries. The organization is co-founded by Gary White and Matt Damon and has transformed thousands of communities in Latin America, Africa and Asia.
The Water Cure site is supported by Global Health Solutions, a worldwide publishing house, founded and developed by F. Batmagnhelidj, M.D. Dr. Batmanghelidj is one of my favorite water experts and is considered the world's foremost researcher on the medical properties of water.