Average nitrate concentration in freshwater in Estonia
Estonia: Average nitrate concentration in freshwater was 11.26 milligrams per liter in 2021. ▲ Rising
Latest (2021)
11.26 milligrams per liter
Change on year
up 1.0%
World rank
24th
of 34 countries
All-time high
11.26 milligrams per liter
in 2021
All-time low
2.95 milligrams per liter
in 1996
Years of data
30
1992–2021
Average nitrate concentration in freshwater in Estonia, 1992–2021
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 Estonia stood at 11.26 milligrams per liter. That is the highest value across all 30 years on record.
Compared with earlier readings it is up 1.0% on the previous year and up 48.5% over ten years.
Over the whole period, average nitrate concentration in freshwater in Estonia peaked at 11.26 milligrams per liter in 2021 and was at its lowest, 2.95 milligrams per liter, in 1996.
That places Estonia 24th out of 34 countries with data for 2021, putting it in the middle of the range.
The long-run direction has been consistently rising across the 30 years of available data.
Average nitrate concentration in freshwater in Estonia, year by year
| Year | milligrams per liter | Change |
|---|---|---|
| 1992 | 6.36 milligrams per liter | — |
| 1993 | 4.13 milligrams per liter | -35.1% |
| 1994 | 3.16 milligrams per liter | -23.4% |
| 1995 | 2.97 milligrams per liter | -6.0% |
| 1996 | 2.95 milligrams per liter | -0.9% |
| 1997 | 3.7 milligrams per liter | +25.4% |
| 1998 | 4.53 milligrams per liter | +22.6% |
| 1999 | 6.64 milligrams per liter | +46.5% |
| 2000 | 7.27 milligrams per liter | +9.5% |
| 2001 | 5.05 milligrams per liter | -30.4% |
| 2002 | 4.7 milligrams per liter | -7.0% |
| 2003 | 4.46 milligrams per liter | -5.1% |
| 2004 | 4.87 milligrams per liter | +9.2% |
| 2005 | 6.28 milligrams per liter | +28.9% |
| 2006 | 4.81 milligrams per liter | -23.5% |
| 2007 | 5.97 milligrams per liter | +24.3% |
| 2008 | 8.09 milligrams per liter | +35.5% |
| 2009 | 7.25 milligrams per liter | -10.3% |
| 2010 | 8.15 milligrams per liter | +12.3% |
| 2011 | 7.59 milligrams per liter | -6.9% |
| 2012 | 7.12 milligrams per liter | -6.1% |
| 2013 | 6.79 milligrams per liter | -4.7% |
| 2014 | 6.39 milligrams per liter | -5.9% |
| 2015 | 7.37 milligrams per liter | +15.4% |
| 2016 | 7.33 milligrams per liter | -0.6% |
| 2017 | 7.58 milligrams per liter | +3.5% |
| 2018 | 7.47 milligrams per liter | -1.6% |
| 2019 | 8.81 milligrams per liter | +18.0% |
| 2020 | 11.16 milligrams per liter | +26.6% |
| 2021 | 11.26 milligrams per liter | +1.0% |
Estonia compared with similar countries
- Estonia's 11.26 milligrams per liter is below the median for Europe & Central Asia, which is 15.9 milligrams per liter, 71% of the median. (34 countries reporting)
- Estonia's 11.26 milligrams per liter is below the median for high income countries, which is 16.12 milligrams per liter, 70% of the median. (29 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 4.31 milligrams per liter | 2.95 milligrams per liter | 6.64 milligrams per liter | 8 |
| 2000s | 5.87 milligrams per liter | 4.46 milligrams per liter | 8.09 milligrams per liter | 10 |
| 2010s | 7.46 milligrams per liter | 6.39 milligrams per liter | 8.81 milligrams per liter | 10 |
| 2020s | 11.21 milligrams per liter | 11.16 milligrams per liter | 11.26 milligrams per liter | 2 |
Countries ranked near Estonia
More environment data for Estonia
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.899 °C (2025)
- Temperature change 2.78 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual -5.71 % 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 -0.0832 % 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 % change on previous year (2024)
Frequently asked questions
- What is average nitrate concentration in freshwater in Estonia?
- Average nitrate concentration in freshwater in Estonia was 11.26 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 Estonia?
- The highest recorded value was 11.26 milligrams per liter in 2021.
- What is the lowest average nitrate concentration in freshwater recorded in Estonia?
- The lowest recorded value was 2.95 milligrams per liter in 1996.
- How does Estonia rank for average nitrate concentration in freshwater?
- Estonia ranks 24th out of 34 countries with data for 2021.
- Is average nitrate concentration in freshwater rising or falling in Estonia?
- Over the last ten years it is up 48.5%. The long-run trend across the full record is rising.
- Where does this Estonia 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 — 30 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Average annual concentration of nitrate in groundwater.