Water Pollution Control Measures and Test Reporting Management Regulations Article 11

Enterprises and sewage system other than those specified in Articles 9 and 11 shall take measures to reduce runoff wastewater pollution (hereinafter referred to as the “Reduction Measures”) in accordance with the property of the pollution. Where the Reduction Measures are changed or the competent authority finds they are not appropriate to maintain the quality of the water body and pollution may occur as a result, improvement measures shall be submitted before the change or within the time frame specified by the competent authority, and implemented accordingly after they are reviewed and approved.Where enterprises and sewage systems take the Reduction Measures pursuant to the preceding paragraph but the quality of the runoff wastewater does not meet the effluent standard, and the municipality or county (city) competent authority finds it may pollute the quality of a water body, the runoff wastewater must be collected and treated.For the enterprises and sewage systems that shall collect and treat runoff wastewater according to the preceding paragraph and Article 8, the volume of the runoff wastewater to be collected and treated shall be permitted, reviewed and approved on a case-by-case basis. Rerouted discharge is only allowed when the rainfall is greater than the volume of the runoff wastewater to be collected and treated.For the enterprises and sewage systems referred to in the preceding paragraph, the available capacity of the runoff wastewater collection facilities shall reach the approved and required collection and treatment capacity five days after it stops raining.