Biochemical oxygen demand in rivers in Croatia

Croatia: Biochemical oxygen demand in rivers was 1.59 Milligrams per litre in 2023. ▼ Falling

Latest (2023)
1.59 Milligrams per litre
Change on year
up 6.0%
World rank
17th
of 28 countries
All-time high
1.67 Milligrams per litre
in 2013
All-time low
1.38 Milligrams per litre
in 2019
Years of data
17
2007–2023

Biochemical oxygen demand in rivers in Croatia, 2007–2023

00.511.52007201520232007: 1.6 Milligrams per litre2008: 1.5 Milligrams per litre2009: 1.5 Milligrams per litre2010: 1.6 Milligrams per litre2011: 1.6 Milligrams per litre2012: 1.6 Milligrams per litre2013: 1.7 Milligrams per litre2014: 1.6 Milligrams per litre2015: 1.6 Milligrams per litre2016: 1.5 Milligrams per litre2017: 1.4 Milligrams per litre2018: 1.4 Milligrams per litre2019: 1.4 Milligrams per litre2020: 1.4 Milligrams per litre2021: 1.4 Milligrams per litre2022: 1.5 Milligrams per litre2023: 1.6 Milligrams per litre

Source: Eurostat. Measured in Milligrams per litre.

Analysis

In 2023, biochemical oxygen demand in rivers in Croatia stood at 1.59 Milligrams per litre.

Compared with earlier readings it is up 6.0% on the previous year and down 4.8% over ten years.

Over the whole period, biochemical oxygen demand in rivers in Croatia peaked at 1.67 Milligrams per litre in 2013 and was at its lowest, 1.38 Milligrams per litre, in 2019.

That places Croatia 17th out of 28 countries with data for 2023, putting it in the middle of the range.

The long-run direction has been consistently falling across the 17 years of available data.

Biochemical oxygen demand in rivers in Croatia, year by year

Annual values for Biochemical oxygen demand in rivers in Croatia, 2007 to 2023.
Year Milligrams per litre Change
2007 1.57 Milligrams per litre —
2008 1.53 Milligrams per litre -2.5%
2009 1.53 Milligrams per litre +0.0%
2010 1.56 Milligrams per litre +2.0%
2011 1.6 Milligrams per litre +2.6%
2012 1.65 Milligrams per litre +3.1%
2013 1.67 Milligrams per litre +1.2%
2014 1.65 Milligrams per litre -1.2%
2015 1.59 Milligrams per litre -3.6%
2016 1.52 Milligrams per litre -4.4%
2017 1.45 Milligrams per litre -4.6%
2018 1.4 Milligrams per litre -3.4%
2019 1.38 Milligrams per litre -1.4%
2020 1.39 Milligrams per litre +0.7%
2021 1.43 Milligrams per litre +2.9%
2022 1.5 Milligrams per litre +4.9%
2023 1.59 Milligrams per litre +6.0%

Croatia compared with similar countries

  • Croatia's 1.59 Milligrams per litre is below the median for Europe & Central Asia, which is 1.93 Milligrams per litre, 82% of the median. (20 countries reporting)
  • Croatia's 1.59 Milligrams per litre is below the median for high income countries, which is 1.93 Milligrams per litre, 82% of the median. (19 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
2000s 1.54 Milligrams per litre 1.53 Milligrams per litre 1.57 Milligrams per litre 3
2010s 1.55 Milligrams per litre 1.38 Milligrams per litre 1.67 Milligrams per litre 10
2020s 1.48 Milligrams per litre 1.39 Milligrams per litre 1.59 Milligrams per litre 4

Countries ranked near Croatia

  1. 16 Germany 1.82 Milligrams per litre compare
  2. 17 Croatia 1.59 Milligrams per litre compare
  3. 19 Latvia 1.57 Milligrams per litre compare
  4. 19 Latvia 1.57 Milligrams per litre compare

See the full ranking of 29 places →

More reference data data for Croatia

All data for Croatia →

Frequently asked questions

What is biochemical oxygen demand in rivers in Croatia?
Biochemical oxygen demand in rivers in Croatia was 1.59 Milligrams per litre in 2023, according to Eurostat.
What is the highest biochemical oxygen demand in rivers recorded in Croatia?
The highest recorded value was 1.67 Milligrams per litre in 2013.
What is the lowest biochemical oxygen demand in rivers recorded in Croatia?
The lowest recorded value was 1.38 Milligrams per litre in 2019.
How does Croatia rank for biochemical oxygen demand in rivers?
Croatia ranks 17th out of 28 countries with data for 2023.
Is biochemical oxygen demand in rivers rising or falling in Croatia?
Over the last ten years it is down 4.8%. The long-run trend across the full record is falling.
Where does this Croatia data come from?
The figures come from Eurostat, published as part of Biochemical oxygen demand in rivers. Statizoid updates them automatically from the source API.

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Biochemical oxygen demand in rivers in Croatia. Statizoid, drawing on Eurostat. Retrieved 24 September 2026, from https://reference.statizoid.com/stat/biochemical-oxygen-demand-in-rivers/croatia/

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About this data

Indicator
Biochemical oxygen demand in rivers
Unit
Milligrams per litre
Source
Eurostat
Licence
CC BY 4.0 (Eurostat)
Coverage
29 places, 493 data points, 2007–2023
Last refreshed