Reclaimed Water Resources Development Act Article 7

The reclaimed water shall not be directly used as drinking water or be used by the food industry and pharmaceutical industry.The quality standards for reclaimed water, use restrictions and other matters to be followed shall be determined by the central competent authority. If the central authority governing the industry using the water for a specific purpose has stipulated the water quality standards, the reclaimed water used for such purpose shall comply with the standards.
中文原文 再生水資源發展條例第7條
再生水不得供作直接食用及食品業、藥品業之用水。
再生水水質標準、使用限制及應遵行事項,由中央主管機關定之;各標的用水之目的事業主管機關定有水質標準者,其供作該標的使用之再生水,應符合該標準。

English translation for reference only; the Chinese text prevails. Not legal advice.