Water Pollution Control Law : Promotion of Countermeasures against Domestic Effluents (Japan)
WEPA Water Environment Partnership in Asia
close

Promotion of Countermeasures against Domestic Effluents

Promotion of Countermeasures against Domestic Effluents under the Water Pollution Control Law

Effluents from domestic activities such as cooking, washing, and bathing are a major cause of pollution of public waters. Therefore, the Ministry of the Environment specifies the provisions in the Water Pollution Control Law for promoting comprehensive countermeasures against domestic effluents, as follows.

(1) Clarification of administrative responsibility for countermeasures against domestic effluents.
These provisions mark that cities, towns and villages have been asked to participate in activities to enforce countermeasures against domestic effluents under the scheme of the Water Pollution Control Law. These municipalities are required to take the initiative in improving effluent treatment facilities as well as in educating residents about countermeasures to reduce the amount and impact of domestic effluents. At the same time, the prefectures are to coordinate the municipal countermeasures against domestic effluents on a broader scale while the central government is to disseminate related information and to support the local governments' countermeasures.

(2) Clarification of the responsibilities of citizens for to countermeasures against domestic effluents.
The stipulations of these provisions require the general public to dispose of food wastes, cooking oil, and other wastes properly and to use detergents appropriately. The general public is also required to cooperate with efforts by the central and local governments to maintain public water quality. People who discharge domestic effluents are requested to maintain their facilities for treatment in good order.

(3) Systematic promotion of countermeasures against domestic effluents.
As for systematic promotion, the Water Pollution Control Law stipulates that prefectural governor designates an area where it is necessary to implement counter measures against domestic effluents because of, for example excess of environmental quality standards, as the Area of Emphasized Countermeasures against Domestic Effluents. The municipalities in the area is stipulated to compile the Plan for Promotion of Countermeasure against Domestic Effluents about improvement of treatment facilities, dissemination of countermeasures and so on. The municipalities implement and promote the countermeasures under the plan.

(4) Extension of control to certain effluent generating facilities in areas subject to Areawide Total Pollutant Load Control.
On-site sewerage facilities for 201-500 persons were designated as “specified facilities in the specified areas” which are regulated only in the Areawide Total Pollutant Load Control Areas in order to extend effluent facility control.

In order to improve in policies to address domestic effluent problems, flexible infrastructure development of a variety of effluent treatment facilities appropriate for local conditions, e.g., public sewerage systems, sewage treatment tank, rural community sewerage systems for farming areas, community sewerage systems for urban areas and individual sewage treatment tanks is key to the solution. The other essential element of a successful strategy is the promotion of education to enhance the public's awareness of the problem and to facilitate voluntary pollutant load reduction.

Improvement of Treatment Facilities for Domestic Effluent

<Improvement of Sewerage Systems>
Sewerage systems are essential components for the sound development of cities, the betterment of public hygiene, the maintenance of good living environments, and control of water quality in public waters. Sewerage systems are planned, implemented and improved under 7-year programs. The eighth 7-year program continued from fiscal year 1996 through 2002. The 24 trillion yen budget of this program supported the installation and modernization of sewerage systems in response to environmental pollution control programs to achieve Environmental Quality Standards, with high priorities on Areawide Total Pollutant Load Control Plans for bays and inland sea waters and Plans for Control of Water Quality in lakes and reservoirs. The program has also supported the installation and modernization of sewerage systems in small cities. Consequently, it is expected that sewerage systems will have been extended to 66% of the total population by the end of fiscal year 2002.

Several other model sewerage improvement projects are now underway. Both the “Amenity Sewerage Model Project” and “Utilization of Recycled Water Model Project” recycle wastewater treated by sewerage systems, using it for such miscellaneous purposes as flushing public toilets. In addition, the model projects for improving domestic effluents in both urban areas and in the watersheds of lakes and reservoirs are promoted.

Comprehensive feasibility studies to define the Drainage Sewerage Systems aimed at improving and maintaining water quality on a watershed basis within the Environmental Quality Standards were performed for 208 localities by the end of fiscal year 1997. Of these localities, 103 have adopted their respective plans for drainage sewerage systems.

< Sewage treatment tank >

< Rural community sewerage systems for farming areas >

Responsibility of the nation, local public bodies and people for Countermeasures against domestic effluents
Municipalities Development of household drainage treatment facilities
Training of leaders engaged in education on household drainage measure
enforcement of other countermeasures against domestic effluents
Prefecture Measure in wide areas
Total adjustment of household drainage measure of municipalities
Nation Spreading knowledge
Technical and financial aid for local public bodies
People Providence to disposal of food wastes, cooking oil, and otherwastes properly and to use detergents appropriately
Cooperation for household drainage carried out by Nation, local bodies
Countermeasures against Domestic Effluents

Countermeasures against Domestic Effluents

Specific Regulations and Systems

Water Pollution Control Law


Water Environment Department, Environmental Management Bureau, Ministry of the Environment: “Water Environment Management in Japan”
pagetop   close