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Indicator Assessment

Oxygen consuming substances in European rivers

Indicator Assessment
Prod-ID: IND-20-en
  Also known as: CSI 019 , WAT 002
Created 06 Nov 2018 Last modified 03 Dec 2019
22 min read

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This page was archived on 03 Dec 2019 with reason: Other (New version data-and-maps/indicators/oxygen-consuming-substances-in-rivers/oxygen-consuming-substances-in-rivers-9 was published)
  • Oxygen consuming substances steadily decreased in Europe’s rivers between 1992 and 2015. 
  • On average, the biochemical oxygen demand (BOD) fell to 51 % of the 1992 level.
  • Ammonium concentrations decreased even more substantially, down to 19 % of the 1992 level.
  • This decrease in BOD and ammonium concentrations is mainly because of general improvements in waste water treatment.

Updated with 2018 data and text revised to reflect updated results

Trends in Biochemical Oxygen demand and ammonium in European rivers

Dashboard
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BOD5
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Ammonium
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Table
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Biochemical oxygen demand in European rivers

Chart
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Table
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Ammonium in European rivers

Chart
Data sources:
Table