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Are polyethylene tanks approved for drinking water?

April 26, 2017Approved drinking water Polyethylene tanks

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Are polyethylene tanks approved for drinking water?

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A. The materials used to manufacture poly (plastic) water tanks are approved for contact with potable water but NSF does not test the storage system. Factors such as poly tanks propensity to facilitate algae and bacterial growth, affects of sunlight and temperature on leaching of phthalates and other possible carcinogens, remain unknown.