Average nitrate concentration in freshwater in Czechia
Czechia: Average nitrate concentration in freshwater was 18.66 milligrams per liter in 2021. ▲ Rising
Latest (2021)
18.66 milligrams per liter
Change on year
down 0.4%
World rank
14th
of 34 countries
All-time high
19.73 milligrams per liter
in 2011
All-time low
14.9 milligrams per liter
in 2004
Years of data
23
1999–2021
Average nitrate concentration in freshwater in Czechia, 1999–2021
Source: European Environment Agency (2023) – with minor processing by Our World in Data. Measured in milligrams per liter.
Analysis
Czechia recorded 18.66 milligrams per liter for average nitrate concentration in freshwater in 2021.
That represents a change of down 0.4% on the previous year and down 5.4% over ten years.
Over the whole period, average nitrate concentration in freshwater in Czechia peaked at 19.73 milligrams per liter in 2011 and was at its lowest, 14.9 milligrams per liter, in 2004.
Czechia ranks 14th of 34 countries on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 23 years of available data.
Average nitrate concentration in freshwater in Czechia, year by year
| Year | milligrams per liter | Change |
|---|---|---|
| 1999 | 16.83 milligrams per liter | — |
| 2000 | 16.83 milligrams per liter | +0.0% |
| 2001 | 15.75 milligrams per liter | -6.4% |
| 2002 | 14.98 milligrams per liter | -4.9% |
| 2003 | 15.32 milligrams per liter | +2.3% |
| 2004 | 14.9 milligrams per liter | -2.8% |
| 2005 | 15.33 milligrams per liter | +2.9% |
| 2006 | 18.71 milligrams per liter | +22.1% |
| 2007 | 19.06 milligrams per liter | +1.9% |
| 2008 | 17.57 milligrams per liter | -7.8% |
| 2009 | 17.6 milligrams per liter | +0.2% |
| 2010 | 19.56 milligrams per liter | +11.1% |
| 2011 | 19.73 milligrams per liter | +0.9% |
| 2012 | 18.21 milligrams per liter | -7.7% |
| 2013 | 18.93 milligrams per liter | +4.0% |
| 2014 | 19.58 milligrams per liter | +3.4% |
| 2015 | 19.08 milligrams per liter | -2.5% |
| 2016 | 19.11 milligrams per liter | +0.2% |
| 2017 | 19.16 milligrams per liter | +0.3% |
| 2018 | 18.71 milligrams per liter | -2.3% |
| 2019 | 18.15 milligrams per liter | -3.0% |
| 2020 | 18.73 milligrams per liter | +3.2% |
| 2021 | 18.66 milligrams per liter | -0.4% |
Czechia compared with similar countries
- Czechia's 18.66 milligrams per liter is above the median for Europe & Central Asia, which is 15.9 milligrams per liter, 1.2× the median. (34 countries reporting)
- Czechia's 18.66 milligrams per liter is above the median for high income countries, which is 16.12 milligrams per liter, 1.2× the median. (29 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 16.83 milligrams per liter | 16.83 milligrams per liter | 16.83 milligrams per liter | 1 |
| 2000s | 16.6 milligrams per liter | 14.9 milligrams per liter | 19.06 milligrams per liter | 10 |
| 2010s | 19.02 milligrams per liter | 18.15 milligrams per liter | 19.73 milligrams per liter | 10 |
| 2020s | 18.7 milligrams per liter | 18.66 milligrams per liter | 18.73 milligrams per liter | 2 |
Countries ranked near Czechia
More environment data for Czechia
- Historical exposure to drought — Land soil moisture anomaly -2.82 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -2.99 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.63 °C (2025)
- Temperature change 1.97 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual -7.77 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per unit 0 Mt CO2e per US$ of GDP (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), annual growth rate -0.1206 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
Frequently asked questions
- What is average nitrate concentration in freshwater in Czechia?
- Average nitrate concentration in freshwater in Czechia was 18.66 milligrams per liter in 2021, according to European Environment Agency (2023) – with minor processing by Our World in Data.
- What is the highest average nitrate concentration in freshwater recorded in Czechia?
- The highest recorded value was 19.73 milligrams per liter in 2011.
- What is the lowest average nitrate concentration in freshwater recorded in Czechia?
- The lowest recorded value was 14.9 milligrams per liter in 2004.
- How does Czechia rank for average nitrate concentration in freshwater?
- Czechia ranks 14th out of 34 countries with data for 2021.
- Is average nitrate concentration in freshwater rising or falling in Czechia?
- Over the last ten years it is down 5.4%. The long-run trend across the full record is rising.
- Where does this Czechia data come from?
- The figures come from European Environment Agency (2023) – with minor processing by Our World in Data, published as part of Average nitrate concentration in freshwater. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 23 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Average annual concentration of nitrate in groundwater.