Average ammonium concentration in freshwater in Ireland
Ireland: Average ammonium concentration in freshwater was 0.0249 milligrams per liter in 2021. ▲ Rising
Average ammonium concentration in freshwater in Ireland, 1992–2021
Source: European Environment Agency (2023) – with minor processing by Our World in Data. Measured in milligrams per liter.
Analysis
The most recent figure for average ammonium concentration in freshwater in Ireland is 0.0249 milligrams per liter, measured in 2021.
That represents a change of down 3.4% on the previous year and up 9.5% over ten years.
Over the whole period, average ammonium concentration in freshwater in Ireland peaked at 0.0586 milligrams per liter in 2016 and was at its lowest, 0.0115 milligrams per liter, in 1996.
That places Ireland 26th out of 32 countries with data for 2021, putting it in the bottom quarter.
The long-run direction has been consistently rising across the 30 years of available data.
Average ammonium concentration in freshwater in Ireland, year by year
| Year | milligrams per liter | Change |
|---|---|---|
| 1992 | 0.0194 milligrams per liter | — |
| 1993 | 0.0179 milligrams per liter | -7.8% |
| 1994 | 0.031 milligrams per liter | +73.2% |
| 1995 | 0.0305 milligrams per liter | -1.5% |
| 1996 | 0.0115 milligrams per liter | -62.3% |
| 1997 | 0.015 milligrams per liter | +30.4% |
| 1998 | 0.0188 milligrams per liter | +25.0% |
| 1999 | 0.021 milligrams per liter | +12.1% |
| 2000 | 0.0178 milligrams per liter | -15.6% |
| 2001 | 0.0148 milligrams per liter | -16.9% |
| 2002 | 0.0131 milligrams per liter | -11.4% |
| 2003 | 0.0167 milligrams per liter | +28.0% |
| 2004 | 0.0152 milligrams per liter | -9.2% |
| 2005 | 0.0175 milligrams per liter | +15.3% |
| 2006 | 0.0311 milligrams per liter | +77.5% |
| 2007 | 0.0352 milligrams per liter | +13.2% |
| 2008 | 0.0348 milligrams per liter | -1.1% |
| 2009 | 0.0243 milligrams per liter | -30.3% |
| 2010 | 0.024 milligrams per liter | -0.9% |
| 2011 | 0.0227 milligrams per liter | -5.4% |
| 2012 | 0.0284 milligrams per liter | +24.9% |
| 2013 | 0.0275 milligrams per liter | -3.1% |
| 2014 | 0.0235 milligrams per liter | -14.7% |
| 2015 | 0.0217 milligrams per liter | -7.4% |
| 2016 | 0.0586 milligrams per liter | +169.5% |
| 2017 | 0.0274 milligrams per liter | -53.2% |
| 2018 | 0.0296 milligrams per liter | +8.0% |
| 2019 | 0.0289 milligrams per liter | -2.3% |
| 2020 | 0.0258 milligrams per liter | -10.9% |
| 2021 | 0.0249 milligrams per liter | -3.4% |
Ireland compared with similar countries
- Ireland's 0.0249 milligrams per liter is below the median for Europe & Central Asia, which is 0.0703 milligrams per liter, 35% of the median. (31 countries reporting)
- Ireland's 0.0249 milligrams per liter is below the median for high income countries, which is 0.0673 milligrams per liter, 37% of the median. (28 countries reporting)
Biggest year-on-year movements
Years where Average ammonium concentration in freshwater in Ireland changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2016 | +169.5% | 0.0217 milligrams per liter | 0.0586 milligrams per liter |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 0.0206 milligrams per liter | 0.0115 milligrams per liter | 0.031 milligrams per liter | 8 |
| 2000s | 0.022 milligrams per liter | 0.0131 milligrams per liter | 0.0352 milligrams per liter | 10 |
| 2010s | 0.0292 milligrams per liter | 0.0217 milligrams per liter | 0.0586 milligrams per liter | 10 |
| 2020s | 0.0253 milligrams per liter | 0.0249 milligrams per liter | 0.0258 milligrams per liter | 2 |
Countries ranked near Ireland
More environment data for Ireland
- Historical exposure to drought — Land soil moisture anomaly 2.51 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly 2.17 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.412 °C (2025)
- Temperature change 1.89 °C (2025)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual -1.13 % 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 -0.0083 % 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 ammonium concentration in freshwater in Ireland?
- Average ammonium concentration in freshwater in Ireland was 0.0249 milligrams per liter in 2021, according to European Environment Agency (2023) – with minor processing by Our World in Data.
- What is the highest average ammonium concentration in freshwater recorded in Ireland?
- The highest recorded value was 0.0586 milligrams per liter in 2016.
- What is the lowest average ammonium concentration in freshwater recorded in Ireland?
- The lowest recorded value was 0.0115 milligrams per liter in 1996.
- How does Ireland rank for average ammonium concentration in freshwater?
- Ireland ranks 26th out of 32 countries with data for 2021.
- Is average ammonium concentration in freshwater rising or falling in Ireland?
- Over the last ten years it is up 9.5%. The long-run trend across the full record is rising.
- Where does this Ireland data come from?
- The figures come from European Environment Agency (2023) – with minor processing by Our World in Data, published as part of Average ammonium 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 ammonium in lakes.