Biochemical oxygen demand in rivers in Ireland

Ireland: Biochemical oxygen demand in rivers was 1.16 Milligrams per litre in 2023. ▼ Falling

Latest (2023)
1.16 Milligrams per litre
Change on year
up 0.9%
World rank
20th
of 21 countries
All-time high
1.23 Milligrams per litre
in 2011
All-time low
1.13 Milligrams per litre
in 2019
Years of data
17
2007–2023

Biochemical oxygen demand in rivers in Ireland, 2007–2023

00.250.50.7511.22007201520232007: 1.2 Milligrams per litre2008: 1.2 Milligrams per litre2009: 1.2 Milligrams per litre2010: 1.2 Milligrams per litre2011: 1.2 Milligrams per litre2012: 1.2 Milligrams per litre2013: 1.2 Milligrams per litre2014: 1.2 Milligrams per litre2015: 1.2 Milligrams per litre2016: 1.2 Milligrams per litre2017: 1.1 Milligrams per litre2018: 1.1 Milligrams per litre2019: 1.1 Milligrams per litre2020: 1.1 Milligrams per litre2021: 1.1 Milligrams per litre2022: 1.1 Milligrams per litre2023: 1.2 Milligrams per litre

Source: Eurostat. Measured in Milligrams per litre.

Analysis

The most recent figure for biochemical oxygen demand in rivers in Ireland is 1.16 Milligrams per litre, measured in 2023.

The figure is up 0.9% on the previous year and down 3.3% over ten years.

Over the whole period, biochemical oxygen demand in rivers in Ireland peaked at 1.23 Milligrams per litre in 2011 and was at its lowest, 1.13 Milligrams per litre, in 2019.

Ireland ranks 20th of 21 countries on this measure, in the bottom quarter.

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

Averages by decade

DecadeAverage LowestHighest Years
2000s 1.21 Milligrams per litre 1.2 Milligrams per litre 1.22 Milligrams per litre 3
2010s 1.18 Milligrams per litre 1.13 Milligrams per litre 1.23 Milligrams per litre 10
2020s 1.15 Milligrams per litre 1.13 Milligrams per litre 1.16 Milligrams per litre 4

Countries ranked near Ireland

  1. 17 Estonia 1.47 Milligrams per litre compare
  2. 18 Austria 1.25 Milligrams per litre compare
  3. 19 Cyprus 1.2 Milligrams per litre compare
  4. 21 Slovenia 0.83 Milligrams per litre compare

See the full ranking of 22 places →

More reference data data for Ireland

All data for Ireland →

Frequently asked questions

What is biochemical oxygen demand in rivers in Ireland?
Biochemical oxygen demand in rivers in Ireland was 1.16 Milligrams per litre in 2023, according to Eurostat.
What is the highest biochemical oxygen demand in rivers recorded in Ireland?
The highest recorded value was 1.23 Milligrams per litre in 2011.
What is the lowest biochemical oxygen demand in rivers recorded in Ireland?
The lowest recorded value was 1.13 Milligrams per litre in 2019.
How does Ireland rank for biochemical oxygen demand in rivers?
Ireland ranks 20th out of 21 countries with data for 2023.
Is biochemical oxygen demand in rivers rising or falling in Ireland?
Over the last ten years it is down 3.3%. The long-run trend across the full record is falling.
Where does this Ireland 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.

Download this data

CSV · JSON — 17 observations, free to reuse under CC BY 4.0 (Eurostat).

About this data

Indicator
Biochemical oxygen demand in rivers
Unit
Milligrams per litre
Source
Eurostat
Licence
CC BY 4.0 (Eurostat)
Coverage
22 places, 374 data points, 2007–2023
Last refreshed