N-DBPS - Assessment of nitrogen containing disinfection by-products and their precursors in drinking waters of the Mediterranean Basin

N-DBPS - Assessment of nitrogen containing disinfection by-products and their precursors in drinking waters of the Mediterranean Basin

Disinfection of drinking water is a successful measure to reduce water-borne diseases and protect health. However, epidemiological evidence links bladder cancer to disinfection by-products (DBPs) formed during drinking water treatment. Disinfection with chlorine is relevant in many European countries and previous research has highlighted the need to improve water quality and decrease concentration of DBPs in countries of the Mediterranean Basin such as Spain. In particular, of the many DBPs currently investigated in drinking water, unregulated nitrogen containing DBPs (N-DBPs) are considered among the most toxic ones. Dissolved organic nitrogen, which acts as precursor for these DBPs, is increasing in many drinking water sources due to usage of impaired waters or climate change. Therefore, there is a need for research to prepare water utilities for these changes, evaluate treatment strategies, and consider the need for adaptation to more stringent regulations.

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