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Water Quality Association
The Water Quality Association (WQA) is the international trade association representing the household, commercial, and industrial water quality improvement industry. |
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NSF International
Behind the NSF Mark is an independent, not-for-profit organization called NSF International. For over 50 years NSF has been committed to public health safety and protection of the environment by developing standards, by providing education and by providing third-party conformity assessment services while representing the interest of all stakeholders |
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American Water Works Association The American Water Works Association (AWWA) is an international nonprofit scientific and educational society dedicated to the improvement of drinking water quality and supply. |
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Environmental Working Group
The Environmental Working Group (EWG) is a leading content provider for public interest groups and concerned citizens who are campaigning to protect the environment. |
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Environmental Protection Agency
The mission of the U.S. Environmental Protection Agency is to protect human health and to safeguard the natural environment — air, water, and land — upon which life depends. |
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