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This Office at EPA works to ensure safe drinking water and to protect the quality of the Nation's Drinking Water Supply. The site features drinking water and health information, kid's pages, and drinking water publications and guidance documents.
NDWC offers technical assistance and information about drinking water treatment, management, distribution, infrastructure, Safe Drinking Water Act regulations, and ground, surface and water conservation for America's small, rural communities.
Water Quality Association (WQA) is the international trade association representing the household, commercial, and industrial water quality improvement industry.
U.S. EPA Office of Ground Water and Drinking Water information on drinking water and health, including the National Primary Drinking Water Standards, fact sheets on specific drinking water contaminants, and guidance regarding Cryptosporidium for people with compromised immune systems.
A consortium of investor-owned water utilities providing water utility services to customers throughout California. Site has information on drinking water standards, water treatment, and related topics.
Information primarily for and about small community drinking water systems. Includes fact sheets, educational materials, and information on water treatment technologies successfully used in small U.S. community water supply systems.