Biochemical oxygen demand in rivers in Czechia
Czechia: Biochemical oxygen demand in rivers was 2.51 Milligrams per litre in 2023. ▼ Falling
Biochemical oxygen demand in rivers in Czechia, 2007–2023
Source: Eurostat. Measured in Milligrams per litre.
Analysis
The most recent figure for biochemical oxygen demand in rivers in Czechia is 2.51 Milligrams per litre, measured in 2023. That is the lowest value across all 17 years on record.
The figure is down 2.0% on the previous year and down 12.8% over ten years.
Over the whole period, biochemical oxygen demand in rivers in Czechia peaked at 3.12 Milligrams per litre in 2007 and was at its lowest, 2.51 Milligrams per litre, in 2023.
Czechia ranks 6th of 21 countries on this measure, in the top quarter.
The long-run direction has been consistently falling across the 17 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 3.09 Milligrams per litre | 3.06 Milligrams per litre | 3.12 Milligrams per litre | 3 |
| 2010s | 2.85 Milligrams per litre | 2.7 Milligrams per litre | 3.01 Milligrams per litre | 10 |
| 2020s | 2.58 Milligrams per litre | 2.51 Milligrams per litre | 2.66 Milligrams per litre | 4 |
Countries ranked near Czechia
More reference data data for Czechia
- Spring temperature anomalies 2.21 °C (2026)
- Summer temperature anomalies 2.78 °C (2026)
- Temperature anomalies by month -1.62 °C (2026)
- Universal right to vote in practice 2 (2025)
- Autumn temperature anomalies 0.9015 °C (2025)
- Winter temperature anomalies 1.35 °C (2025)
- Consumer price index 166.8 2010 = 100 (2025)
- Universal right to vote 2 (2025)
- Competitive elections 1 (2025)
- Men's universal right to vote 1 (2025)
Frequently asked questions
- What is biochemical oxygen demand in rivers in Czechia?
- Biochemical oxygen demand in rivers in Czechia was 2.51 Milligrams per litre in 2023, according to Eurostat.
- What is the highest biochemical oxygen demand in rivers recorded in Czechia?
- The highest recorded value was 3.12 Milligrams per litre in 2007.
- What is the lowest biochemical oxygen demand in rivers recorded in Czechia?
- The lowest recorded value was 2.51 Milligrams per litre in 2023.
- How does Czechia rank for biochemical oxygen demand in rivers?
- Czechia ranks 6th out of 21 countries with data for 2023.
- Is biochemical oxygen demand in rivers rising or falling in Czechia?
- Over the last ten years it is down 12.8%. The long-run trend across the full record is falling.
- Where does this Czechia 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).