Average nitrate concentration in freshwater in Slovakia
Slovakia: Average nitrate concentration in freshwater was 15.66 milligrams per liter in 2021. ▲ Rising
Latest (2021)
15.66 milligrams per liter
Change on year
down 1.4%
World rank
19th
of 34 countries
All-time high
19.7 milligrams per liter
in 2010
All-time low
14.47 milligrams per liter
in 2003
Years of data
22
2000–2021
Average nitrate concentration in freshwater in Slovakia, 2000–2021
Source: European Environment Agency (2023) – with minor processing by Our World in Data. Measured in milligrams per liter.
Analysis
In 2021, average nitrate concentration in freshwater in Slovakia stood at 15.66 milligrams per liter.
That represents a change of down 1.4% on the previous year and down 12.2% over ten years.
Over the whole period, average nitrate concentration in freshwater in Slovakia peaked at 19.7 milligrams per liter in 2010 and was at its lowest, 14.47 milligrams per liter, in 2003.
Slovakia ranks 19th of 34 countries on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 22 years of available data.
Average nitrate concentration in freshwater in Slovakia, year by year
| Year | milligrams per liter | Change |
|---|---|---|
| 2000 | 16.83 milligrams per liter | — |
| 2001 | 16.83 milligrams per liter | +0.0% |
| 2002 | 14.9 milligrams per liter | -11.5% |
| 2003 | 14.47 milligrams per liter | -2.9% |
| 2004 | 15.02 milligrams per liter | +3.8% |
| 2005 | 14.99 milligrams per liter | -0.2% |
| 2006 | 17.03 milligrams per liter | +13.6% |
| 2007 | 16.85 milligrams per liter | -1.1% |
| 2008 | 17.01 milligrams per liter | +1.0% |
| 2009 | 17.06 milligrams per liter | +0.3% |
| 2010 | 19.7 milligrams per liter | +15.5% |
| 2011 | 17.84 milligrams per liter | -9.4% |
| 2012 | 18.34 milligrams per liter | +2.8% |
| 2013 | 18.6 milligrams per liter | +1.4% |
| 2014 | 15.92 milligrams per liter | -14.4% |
| 2015 | 19.49 milligrams per liter | +22.4% |
| 2016 | 18.86 milligrams per liter | -3.2% |
| 2017 | 17.05 milligrams per liter | -9.6% |
| 2018 | 16.29 milligrams per liter | -4.5% |
| 2019 | 15.15 milligrams per liter | -7.0% |
| 2020 | 15.88 milligrams per liter | +4.9% |
| 2021 | 15.66 milligrams per liter | -1.4% |
Slovakia compared with similar countries
- Slovakia's 15.66 milligrams per liter is below the median for Europe & Central Asia, which is 15.9 milligrams per liter, 98% of the median. (34 countries reporting)
- Slovakia's 15.66 milligrams per liter is below the median for high income countries, which is 16.12 milligrams per liter, 97% of the median. (29 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 16.1 milligrams per liter | 14.47 milligrams per liter | 17.06 milligrams per liter | 10 |
| 2010s | 17.72 milligrams per liter | 15.15 milligrams per liter | 19.7 milligrams per liter | 10 |
| 2020s | 15.77 milligrams per liter | 15.66 milligrams per liter | 15.88 milligrams per liter | 2 |
Countries ranked near Slovakia
More environment data for Slovakia
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.652 °C (2025)
- Temperature change 1.9 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual -3.24 % 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 -1.04 % change on previous year (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per unit of GDP 0 Mt CO2e per US$ of GDP (2024)
- Methane (CH4) emissions from Agriculture (Mt CO2e), per capita 0 Mt CO2e per person (2024)
- Methane (CH4) emissions from Building (Energy) (Mt CO2e), annual -0.4834 % change on previous year (2024)
Frequently asked questions
- What is average nitrate concentration in freshwater in Slovakia?
- Average nitrate concentration in freshwater in Slovakia was 15.66 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 Slovakia?
- The highest recorded value was 19.7 milligrams per liter in 2010.
- What is the lowest average nitrate concentration in freshwater recorded in Slovakia?
- The lowest recorded value was 14.47 milligrams per liter in 2003.
- How does Slovakia rank for average nitrate concentration in freshwater?
- Slovakia ranks 19th out of 34 countries with data for 2021.
- Is average nitrate concentration in freshwater rising or falling in Slovakia?
- Over the last ten years it is down 12.2%. The long-run trend across the full record is rising.
- Where does this Slovakia 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 — 22 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Average annual concentration of nitrate in groundwater.