Average nitrate concentration in freshwater in Poland
Poland: Average nitrate concentration in freshwater was 8.62 milligrams per liter in 2021. ▲ Rising
Latest (2021)
8.62 milligrams per liter
Change on year
up 0.4%
World rank
25th
of 34 countries
All-time high
12.36 milligrams per liter
in 2014
All-time low
7.7 milligrams per liter
in 2005
Years of data
19
2003–2021
Average nitrate concentration in freshwater in Poland, 2003–2021
Source: European Environment Agency (2023) – with minor processing by Our World in Data. Measured in milligrams per liter.
Analysis
Poland recorded 8.62 milligrams per liter for average nitrate concentration in freshwater in 2021.
Compared with earlier readings it is up 0.4% on the previous year and down 1.9% over ten years.
Over the whole period, average nitrate concentration in freshwater in Poland peaked at 12.36 milligrams per liter in 2014 and was at its lowest, 7.7 milligrams per liter, in 2005.
Poland ranks 25th of 34 countries on this measure, in the middle of the range.
The long-run direction has been consistently rising across the 19 years of available data.
Average nitrate concentration in freshwater in Poland, year by year
| Year | milligrams per liter | Change |
|---|---|---|
| 2003 | 8.57 milligrams per liter | — |
| 2004 | 7.94 milligrams per liter | -7.3% |
| 2005 | 7.7 milligrams per liter | -3.0% |
| 2006 | 9.09 milligrams per liter | +18.1% |
| 2007 | 8.01 milligrams per liter | -11.9% |
| 2008 | 8.48 milligrams per liter | +5.9% |
| 2009 | 11.26 milligrams per liter | +32.7% |
| 2010 | 12.16 milligrams per liter | +8.0% |
| 2011 | 8.79 milligrams per liter | -27.7% |
| 2012 | 8.74 milligrams per liter | -0.6% |
| 2013 | 9.27 milligrams per liter | +6.0% |
| 2014 | 12.36 milligrams per liter | +33.4% |
| 2015 | 11.81 milligrams per liter | -4.4% |
| 2016 | 11.91 milligrams per liter | +0.9% |
| 2017 | 12.35 milligrams per liter | +3.6% |
| 2018 | 9.03 milligrams per liter | -26.8% |
| 2019 | 9.13 milligrams per liter | +1.0% |
| 2020 | 8.59 milligrams per liter | -5.9% |
| 2021 | 8.62 milligrams per liter | +0.4% |
Poland compared with similar countries
- Poland's 8.62 milligrams per liter is below the median for Europe & Central Asia, which is 15.9 milligrams per liter, 54% of the median. (34 countries reporting)
- Poland's 8.62 milligrams per liter is below the median for high income countries, which is 16.12 milligrams per liter, 53% of the median. (29 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 8.72 milligrams per liter | 7.7 milligrams per liter | 11.26 milligrams per liter | 7 |
| 2010s | 10.55 milligrams per liter | 8.74 milligrams per liter | 12.36 milligrams per liter | 10 |
| 2020s | 8.6 milligrams per liter | 8.59 milligrams per liter | 8.62 milligrams per liter | 2 |
Countries ranked near Poland
More environment data for Poland
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.777 °C (2025)
- Temperature change 2.06 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual -1.73 % 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 0.1029 % 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 -4.67 % change on previous year (2024)
Frequently asked questions
- What is average nitrate concentration in freshwater in Poland?
- Average nitrate concentration in freshwater in Poland was 8.62 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 Poland?
- The highest recorded value was 12.36 milligrams per liter in 2014.
- What is the lowest average nitrate concentration in freshwater recorded in Poland?
- The lowest recorded value was 7.7 milligrams per liter in 2005.
- How does Poland rank for average nitrate concentration in freshwater?
- Poland ranks 25th out of 34 countries with data for 2021.
- Is average nitrate concentration in freshwater rising or falling in Poland?
- Over the last ten years it is down 1.9%. The long-run trend across the full record is rising.
- Where does this Poland 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 — 19 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Average annual concentration of nitrate in groundwater.