These Regulations are established in accordance with Article 18, Article 19 where Article 18 is mutatis mutandis applicable, Paragraph 3 of Article 20, Article 22, Paragraph 2 of Article 31, and Paragraph 4 of Article 32 of the Water Pollution Control Act (hereinafter referred to as the “Act”).

Terms used in these Regulations are defined as follows:
1. Items of water pollution control measures are as follows:
(1) Establishment of wastewater or sewage treatment/pre-treatment facilities;
(2) Draining sewage into sewage systems;
(3) Soil treatment;
(4) Commissioning treatment and commissioned treatment;
(5) Installation of pipeline to discharge into the sea;
(6) Storage of wastewater or sewage;
(7) Dilution of wastewater or sewage;
(8) Recycling and reuse of wastewater or sewage;
(9) Runoff wastewater pollution reduction measure;
(10) Discharging and other wastewater or sewage management;
(11) Plan for implementing liquor and fiber digestate as fertilizer for farmlands;
(12) Effluent collection management in industrial areas;
(13)Installation of automatic monitoring (surveillance) facilities and online transmission; and
(14) Maintenance precautionary measure and emergency response measure.
2. Jointly established wastewater or sewage treatment/pre-treatment facilities: The facilities refer to wastewater or sewage treatment/pre-treatment facilities that are jointly invested in, established by, and jointly used by two or more enterprises.
3. Commissioned operator: The operator refers to the party commissioned by an enterprise or sewage system to operate and manage the wastewater or sewage treatment/pretreatment facilities.
4. Soil treatment: It means the methods for the discharge of wastewater or sewage via pipelines or ditches for irrigation or percolation into the soil for the removal or reduction of pollutants.
5. Commissioning wastewater or sewage treatment: It means discharge of wastewater or sewage via pipelines or ditches to be treated by a commissioned party (hereinafter referred to as “commissioning treatment”).
6. Commissioned wastewater or sewage treatment: It means the acceptance of wastewater or sewage treatment commissioned by another party at established wastewater or sewage treatment/pre-treatment facilities.
7. Initial dilution ratio: It means the dilution multiples from the mix of wastewater column or sewage column and the surrounding seawater after the wastewater or sewage drains from the pipeline into the sea and reaches a stable level in the seawater.
8. Discharging wastewater or sewage using a drainage pipe to the sea (hereinafter referred to as a “sea drainage pipe”): It means the use of a pipeline to transport wastewater or sewage to the sea; with an initial dilution ratio of 100:1 or greater.
9. Storing: It means delivery of wastewater or sewage to storage facilities and then implementing reuse, commissioning treatment, using containers, tank trucks or other non-pipelines or ditches facilities to remove or transport wastewater or sewage to the area outside the range of operations, or returning water seepage in a landfill to the surface of the landfill.
10. Recycling wastewater or sewage: It means collection of the wastewater or sewage that has not been discharged into a water body and has not undergone soil treatment to be reused for other water resource purposes.
11. Non-continuous discharge: It means the effluent that is not drained from a discharge point into the receiving water body continuously for 24 hours every day, or that is not drained from a discharge point approved by the sewage management authority into a sewage system continuously for 24 hours every day.
12. Pure hot spring wastewater: It means wastewater from hot spring baths with no other added substances.
13. Plan for implementing liquor and fiber digestate as fertilizer for farmlands: The liquor and fiber digestate generated from livestock excrements, or the livestock excrements collected by the management operator of livestock excrements resource treatment center (or methane recycling center) after anaerobic fermentation or aeration treatment, and then used on farmlands for fertilization.
14. TUa: It means the reciprocal of LC50 (Lethal Concentration 50%) for bioacute toxicity test.
15. Farmland: It refers to the land used for farming, forestry, aquaculture, stock farming and ecological conservation.

The types of industrial wastewater are described below:
I. Process wastewater: means the wastewater of an enterprise that direct contacts people or objects in the process of manufacturing, processing, repair, treatment, operation, cooling, washing, counter flow washing, medical treatment, provision of services, livestock raising, development of natural resources, or other operations.
II. Discharged wastewater: means the wastewater drained from the recycling water of an enterprise to reduce the concentration of the pollutant that accumulates during the recycling process.
III. Non-contact cooling water: means the water used exclusively for temperature exchange in heat exchange pipelines.
IV. Runoff wastewater: means the wastewater produced from the rain when it washes outdoor facilities, surfaces of buildings or ground surfaces in the outdoor work environment, and (raw) materials.
Materials referred to in Subparagraph 1 of the preceding paragraph include raw materials, intermediate products, products, by-products, waste, waste gases, animals, plants or other objects.

Enterprises or sewage systems shall take the water pollution control measures (hereinafter referred to as the “Pollution Control Measures”) approved by the municipality or county (city) competent authority or any agency commissioned by the central competent authority (hereinafter referred to as the “Issuing Authority”), and shall operate in compliance with the approved Pollution Control Measures.

If there is a concern of leaking pollutants or wastewater from the sewerage of industrial wastewater or sewage into the water body or soil, protective and preventive measures shall be taken. The pollutants or wastewater or sewage leaked to the operation environment shall be collected for treatment with record on the date and time, the cause of leaking, the quantity of water and the status of collection for treatment. The record shall be kept for 3 years.
If there is a concern of leaking pollutants or wastewater from the sewerage of industrial wastewater or sewage into the water body or soil, emergency measures shall be taken at once, and report to the competent authorities of the municipality or county (city) within 3 hours after the leaking was detected. The date, time, and cause of leaking, and the types of pollutants, quantity, water quality, water quantity, the means of notifying the competent authorities, the targets of contact, the date and time of contact, and the responding measures shall be tracked on record. Within 10 days after the response to the emergency, the parties concerned shall report to the competent authorities of the municipality or county (city) on the record of responding to the emergency and the measures taken for referencing filing and keep related record for 3 years.
The particulars for aforementioned record on response to the emergency and the measures taken in response to the situation shall include the following:
1. The particulars for tracking on record.
2. The content of response and the method of the elimination and cleanup of leaking.
3. The personnel participating in the response and their duties.
4. The plan for the monitoring and testing of the water body and soil affected by the leaking.
5. Methods for prevention and improvement.
6. Any others as required by the competent authorities.

When a natural disaster or emergency occurs, enterprises or sewage systems shall treat wastewater or sewage in accordance with the order of the competent authority.