水质量协会是一个非营利的国际贸易协会，代表着家庭，商业，工业以及小型团体的水处理工业。
The water Quality association is a not-for-profit international trade association representing the household, commercial, industrial, and small community water treatment industry.
美国水工协会(AWWA)成立于1881年，是非赢利的国际科学教育组织，致力于改进饮用水质量和供应。
The American water Works Association (AWWA) founded in 1881, is an international nonprofit scientific and educational society dedicated to the improvement of drinking water quality and supply.
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