水体污染源（pollution source of water body），是指向水体释放或排放污染物或造成有害影响的场所、设施。
但油井在压裂过程中产生的压裂返排液已成为当前油田水体污染源之一。
However, it produces the fracturing liquid in fracturing, which has become one of the current oil field water pollution sources.
染料属生物难降解有机物，染料和印染废水已成为当前最重要的水体污染源之一。
Dyes and their effluent have become one of the main sources of water pollution, and are difficulty to be degraded by organism.
随着点源污染的有效治理，农业面源污染将成为三峡库区水体的最主要污染源。
With strengthening control of point source pollution, agricultural non-point source pollution will be the main pollution source to the Three-Gorge Reservoir area.
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