2.2 Main Water Resources Management Systems
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construction and operation of the project in terms of its effects on the water quality
and quantity of the zone, either in the water resources justification report or the water
abstraction application documents submitted to the relevant WADs or RBOs.
The water function zoning system is one of the basic systems of water resources
protection in China. It is the planning and technical review system for water resources
protection. By delineating the functions of different water areas, the objectives of
water resources protection in the zone can be determined and the pollutant assimilative capacity can be identified, providing the basis for the management of the
discharge outlet into waters.
Since being established, the water function zoning system has achieved great
progress in its activities. By 2006, 1,407 rivers and 253 lakes and reservoirs had
been formulated in the zone. In 2011, the State Council approved the National Water
Function Zone for Key Rivers and Lakes.
2.2.8 Total Pollutant Discharge Volume Control System
The implementation of the total pollutant discharge volume control system is one of
the important means to effectively manage the water function zone. Each water body
has a self-purification capacity: when the pollutants present exceed its purification
capacity, a water body becomes polluted. Under this theory, the assimilation capacity
of the water body should be determined first to ensure its protection.
Article 32 of the 2002 Water Law stipulates that the WADs at or above the county
level or RBOs should, in accordance with the water quality requirements of the water
function zone and the natural purification capacity of the water body, verify the pollutant catching capacity of the water body and put forward the opinions on limiting the
total pollutant discharge volume of this body. Article 11 of the Management Methods
of Water Function Zones stipulates that the verified pollutant catching capacity and
the opinions on limiting the total pollutant discharge volume of the water body are
the basis for WADs and RBOs to implement water resources protection supervision,
as well as for EPADs to implement water pollution control.
Therefore, the total pollutant discharge volume control system provides the basis
for the management of discharge outlets into the water body by determining its pollutant catching capacity and being transformed into the allowable pollutant discharge
volume of this water body. The system is a technical review system, connecting the
water function zone backward and serving to the management system of discharge
outlets into water body forward. The MWR has finished determining the pollutant catching capacity for water bodies and provided opinions on limiting the total
pollutant discharge volume of these water bodies to the relevant EPADs.
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