Stock Photo - ITALY. River Po, Turin. In spite of expensive high tech water treatment plants, 85 of the phosphorus dumped in the river remains untreated by the plant and returns to the river. . The main effect caused by excessive phosphate build up is eutrophication.

Stock Photo: ITALY. River Po, Turin. In spite of expensive high tech water treatment plants, 85 of the phosphorus dumped in the river remains untreated by the plant and.

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