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TitleGuidance for Introducing the Total Pollutant Load Control System
LanguageEnglish
File Size921.2 KB
Total Pages108
Document Text Contents
Page 1

Guidance for Introducing
the Total Pollutant Load Control

System (TPLCS)










April 2011

Office of Environmental Management of Enclosed

Coastal Seas

Water Environment Division

Environmental Management Bureau

Ministry of the Environment, Japan

Page 2

The overall structure of the Total Pollutant Load Control System (“TPLCS”)



Chapter 1 Need for the TPLCS

1.1 Overview of the TPLCS
Water pollution occurs when the balance of nature is lost due to the increase of pollutant discharge load resulting

from human activities. A countermeasure for addressing this loss is to reduce pollution load effluent. The Total

Pollutant Load Control System ("TPLCS") is an effective scheme for that purpose.

1.2 Structure of the TPLCS

(1) Types of water pollution

Water pollution can be categorized into four main types: health damage caused by harmful substances, problems

related to public sanitation concerning bacteria, organic contamination, and eutrophication. The TPLCS principally

addresses organic contamination and eutrophication.

(2) Measures for preserving aquatic environment

Measures for preserving an aquatic environment are categorized into source measures, which aim to reduce the

amount of pollutant load effluent from sources, and direct purification measures, which aim to purify the

environment directly within water areas. The TPLCS focuses on source measures.

(3) Policy measures implemented by the administration and the structure of the TPLCS

Implementing source measures through the voluntary initiatives of emitters is impossible. Some political

involvement is needed. The TPLCS seeks to regulate the effluent load released from emitters as well as

comprehensively taking various measures, such as the construction of sewage systems, and providing administrative

guidance.

1.3 Experiences and lessons of Japan

Along with high economic growth, Japan has seen an increase in pollutant loads, occurring in terrestrial ecosystems

and flowing into aquatic systems. Japan has also experienced serious water pollution, which it has overcome through

measures such as the TPLCS. It is important to promptly undertake measures where they are most practicable.

1.4 Necessity to introduce the TPLCS

As enclosed water areas have limited water exchange and easily accumulate pollutant load, the need is to reduce

and control the total amount of pollutant load. The TPLCS can be utilized as effective pollution reduction measures

for those water areas with severe water pollution as well as a method for controlling pollutant load in areas that are

expected to be developed in the future. There has been an increasing need for this system as a measure for conserving

water quality in countries where economic growth has been accelerating.

1.5 Basic principles of the TPLCS

(1) Basic principles of the TPLCS

To quantitatively measure all pollutant discharge load that flows into water areas, analyze its relationships with the

water quality of water areas, set quantitative reduction goals, formulate control plans and, step by step, pursue the

measures.

(2) Points to allow the TPLCS to function effectively

It is important to quantitatively control and reduce the pollutant discharge load, formulate total pollutant load

control plans for all pollutant load sources from a comprehensive perspective, and pursue reduction and control

measures.

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pollutant load should be implemented within the environmental capacity of the water area in

the first instance.

v) For factories and business establishments, total pollutant control should be conducted on the

pollutant discharge load. For newly built factories and business establishments, environmental

measures for existing factories and business establishments should be pursued, as far as

possible, to allow for the regional development, and a specific amount of new development

activities should be authorized on condition that they introduce state-of-the-art environmental

technology, considering the margin compared with the target load5.

vi) Both the objective for managing the discharge load, considering the status of water quality and

the variation of discharge load, and the total pollutant load control plan should be reviewed.






5 This depends on the type of institution employed for constructing new factories and business
establishments. Japan adopts a notification procedure, and when the contents of the notification do not
meet the effluent standard or total pollutant control standard, the concerned prefectures provide
instructions or program change orders. In the Seto Inland Sea, permits are given for the construction of
factories and business establishments under the Law concerning Special Measures for Conservation of
the Environment of the Seto Inland Sea.

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Chapter 3 Development of institutions and frameworks for effective
operation of the TPLCS

Water quality examination and assessment on the current status of the industrial structure or the

regional characteristics need to be conducted to implement the TPLCS. It is important to design the

TPLCS and to arrange for various related frameworks by making full use of available information.

Since, in principle, the total pollutant load control addresses all sources and related administrative

sectors cover a broad range, it is also important to establish coordinating and cooperative

relationships with these sectors.

Table 3.1 summarizes the main related frameworks and institutions that need to be established for

the implementation of the TPLCS.



Table 3.1 Frameworks and coordination with concerned agencies required for implementing the

TPLCS

Items for implementation Frameworks and coordination with concerned agencies

Reduction of total pollutant load



○ Survey on regional characteristics and industrial structure
○ Coordination and cooperation with the concerned administrative

sectors

Quantitative assessment of

pollutant discharge load

○ Collection of the data required for calculation
○ Effluent amount from pollution sources (point sources) and

measurement of the concentration

○ Formulation of the calculation method for pollutant discharge load
Establishing the reduction

objective for preserving the water

quality of the water area

○ Establishing the aquatic environment objective (Environmental
Quality Standards for Water Pollution)

○ Measurement of the water quality and flow volume in the water
area (rivers, lakes/ponds, sea area)

○ Analysis of the pollution mechanism

Industrial

Domestic

Livestock

Industry

Aquaculture
Forest
Built-up area

Agriculture
Sanitation

Agriculture/livestock

Marine industry

Municipal planning

Sources of pollutant load and concerned
administrative sectors

Forest conservation

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References


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