Assessing the improvement of the Bilbao estuary water quality in response to pollution abatement measures.

@article{GarcaBarcina2006AssessingTI,
  title={Assessing the improvement of the Bilbao estuary water quality in response to pollution abatement measures.},
  author={Jos{\'e} Ma Garc{\'i}a-Barcina and Jos{\'e} Antonio Gonz{\'a}lez-Oreja and Alejandro de la Sota},
  journal={Water research},
  year={2006},
  volume={40 5},
  pages={951-60}
}
To evaluate the success of almost 20 years of pollution abatement in the Bilbao estuary watershed in northern Spain, we analyzed temporal trends in pollution discharges and water quality from 1993 to 2003. Over that period a great portion of the raw wastewater discharge was intercepted and treated, leading to a significant reduction in the pollution load to the estuary (51.8% in biochemical oxygen demand, 70.9% in ammonia nitrogen and 81.9% in faecal coliforms). Temporal trends of mean annual… CONTINUE READING

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