Water Pollution Control Measures and Test Reporting Management Regulations Article 41
The effluent from the sewerage of industrial wastewater or sewage may be recycled and reuse only when the quality meets the standard for discharge, and shall take sampling at the outlet area before recycled for use except under any of the following situations:I. The wastewater or sewage produced is for production process use.II. The wastewater or sewage produced is for tower rinsing or other pollution prevention equipment and the waster after recycling has been treated by the water treatment (pretreatment) facility of wastewater or sewage before using.The recycling of industrial wastewater or sewage from the sewerage which is not conforming to the standard of wastewater or sewage for discharge shall be regulated by the following rules:I. The recycling of wastewater or sewage without the using of facility installed for the treatment/pretreatment of wastewater or sewage and the effluent not conforming to applicable standards of wastewater or sewage cannot be used for any other purposes beyond production process.II. The use of water supply conforming to standard without treatment as supplementary source for mixed use shall be subject to the approval of the competent authorities of the municipality or county (city) with the presentation of the following information and shall keep track on the quantity of supplementary water supply. The record shall be kept for 3 years.(I) The necessity of supplementary water supply, the source of supplementary water supply, the maximum daily capacity of supplementary water supply and the measurement methods.(II) Explanation on the balance of water quality shall be presented to the competent authorities of the municipality or county (city) for the recycled use of wastewater or sewage without the facility for treatment/pretreatment of wastewater or sewage or where the competent authorities of the municipality or county (city) deems necessary.If the competent authority discovered the sewerage of the industry wastewater or sewage not being approved as specified in subparagraph (II) of the previous paragraph, notify the enterprise, or the effluent from the sewerage without treatment in conformity to applicable standards cannot be used as supplementary water supply. In addition, the competent authorities of the municipality or county (city) shall notify the enterprise or the sewerage to make change in the water supply plan or permit (documents). Those who fails to comply on due time shall be subject to punishment under this law as an act of violation.
中文原文 水污染防治措施及檢測申報管理辦法第41條
事業或污水下水道系統產生之廢（污）水，應處理至符合放流水標準始得回收使用，並於回收使用前，設置採樣口。
但有下列情形之一者，不在此限：
一、產生之廢（污）水作為製程之用。
二、產生之廢（污）水回收作為洗滌塔或其他污染防治設備之用，且其回收使用後之水經設置之廢（污）水（前）處理設施處理。
事業或污水下水道系統回收使用未符合放流水標準之廢（污）水，依下列規定辦理：
一、未設置廢（污）水（前）處理設施處理回收使用後之水者，不得將未符合放流水標準之廢（污）水作為製程以外之用。
二、以無須處理即能符合放流水標準之水源作為補充混合使用者，應提出下列資料，經直轄市、縣（市）主管機關核准，始得為之，並應按日記錄補充之水量，保存三年。
（一）補充之必要性、補充水之來源、每日最大補充水量及其計算量測方式。
（二）屬未設置廢（污）水（前）處理設施處理回收使用後之水者或經直轄市、縣（市）主管機關認定有必要者，應另提出質量平衡說明。
主管機關查核事業或污水下水道系統有不符前項第二款經核准之情形者，應通知事業或污水下水道系統不得採行以無須處理即能符合放流水標準之水源作為補充用水。
直轄市、縣（市）主管機關並應限期通知事業或污水下水道系統辦理水措計畫或許可證（文件）變更，逾期未辦理者，依違反本法規定處分。
但有下列情形之一者，不在此限：
一、產生之廢（污）水作為製程之用。
二、產生之廢（污）水回收作為洗滌塔或其他污染防治設備之用，且其回收使用後之水經設置之廢（污）水（前）處理設施處理。
事業或污水下水道系統回收使用未符合放流水標準之廢（污）水，依下列規定辦理：
一、未設置廢（污）水（前）處理設施處理回收使用後之水者，不得將未符合放流水標準之廢（污）水作為製程以外之用。
二、以無須處理即能符合放流水標準之水源作為補充混合使用者，應提出下列資料，經直轄市、縣（市）主管機關核准，始得為之，並應按日記錄補充之水量，保存三年。
（一）補充之必要性、補充水之來源、每日最大補充水量及其計算量測方式。
（二）屬未設置廢（污）水（前）處理設施處理回收使用後之水者或經直轄市、縣（市）主管機關認定有必要者，應另提出質量平衡說明。
主管機關查核事業或污水下水道系統有不符前項第二款經核准之情形者，應通知事業或污水下水道系統不得採行以無須處理即能符合放流水標準之水源作為補充用水。
直轄市、縣（市）主管機關並應限期通知事業或污水下水道系統辦理水措計畫或許可證（文件）變更，逾期未辦理者，依違反本法規定處分。