Biochemical oxygen demand in rivers in Slovakia
Slovakia: Biochemical oxygen demand in rivers was 2.16 Milligrams per litre in 2023. ▼ Falling
Biochemical oxygen demand in rivers in Slovakia, 2007–2023
Source: Eurostat. Measured in Milligrams per litre.
Analysis
Slovakia recorded 2.16 Milligrams per litre for biochemical oxygen demand in rivers in 2023. That is the lowest value across all 17 years on record.
Compared with earlier readings it is down 0.5% on the previous year and down 8.1% over ten years.
Over the whole period, biochemical oxygen demand in rivers in Slovakia peaked at 2.52 Milligrams per litre in 2007 and was at its lowest, 2.16 Milligrams per litre, in 2023.
Slovakia ranks 10th of 21 countries on this measure, in the middle of the range.
The long-run direction has been consistently falling across the 17 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 2.48 Milligrams per litre | 2.45 Milligrams per litre | 2.52 Milligrams per litre | 3 |
| 2010s | 2.32 Milligrams per litre | 2.23 Milligrams per litre | 2.42 Milligrams per litre | 10 |
| 2020s | 2.18 Milligrams per litre | 2.16 Milligrams per litre | 2.21 Milligrams per litre | 4 |
Countries ranked near Slovakia
More reference data data for Slovakia
- Spring temperature anomalies 2.69 °C (2026)
- Summer temperature anomalies 2.31 °C (2026)
- Temperature anomalies by month -0.7046 °C (2026)
- Universal right to vote in practice 2 (2025)
- Autumn temperature anomalies 1.71 °C (2025)
- Winter temperature anomalies 2.77 °C (2025)
- Consumer price index 161.56 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 Slovakia?
- Biochemical oxygen demand in rivers in Slovakia was 2.16 Milligrams per litre in 2023, according to Eurostat.
- What is the highest biochemical oxygen demand in rivers recorded in Slovakia?
- The highest recorded value was 2.52 Milligrams per litre in 2007.
- What is the lowest biochemical oxygen demand in rivers recorded in Slovakia?
- The lowest recorded value was 2.16 Milligrams per litre in 2023.
- How does Slovakia rank for biochemical oxygen demand in rivers?
- Slovakia ranks 10th out of 21 countries with data for 2023.
- Is biochemical oxygen demand in rivers rising or falling in Slovakia?
- Over the last ten years it is down 8.1%. The long-run trend across the full record is falling.
- Where does this Slovakia 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).