Average nitrate concentration in freshwater in Ireland
Ireland: Average nitrate concentration in freshwater was 12.13 milligrams per litre in 2021. ▼ Falling
Average nitrate concentration in freshwater in Ireland, 1992–2021
Source: European Environment Agency (2023) – with minor processing by Our World in Data. Measured in milligrams per litre.
Analysis
The most recent figure for average nitrate concentration in freshwater in Ireland is 12.13 milligrams per litre, measured in 2021.
The figure is down 6.2% on the previous year and down 11.6% over ten years.
Over the whole period, average nitrate concentration in freshwater in Ireland peaked at 22.53 milligrams per litre in 1993 and was at its lowest, 11.01 milligrams per litre, in 2009.
Ireland ranks 22nd of 34 regions on this measure, in the middle of the range.
The long-run direction has been consistently falling across the 30 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 19.01 milligrams per litre | 17.11 milligrams per litre | 22.53 milligrams per litre | 8 |
| 2000s | 16.09 milligrams per litre | 11.01 milligrams per litre | 17.26 milligrams per litre | 10 |
| 2010s | 12.87 milligrams per litre | 11.62 milligrams per litre | 14.82 milligrams per litre | 10 |
| 2020s | 12.53 milligrams per litre | 12.13 milligrams per litre | 12.94 milligrams per litre | 2 |
Countries ranked near Ireland
More environment data for Ireland
- Total greenhouse gas emissions excluding LULUCF 59.68 Mt CO2e (2024)
- Total greenhouse gas emissions excluding LULUCF per capita 11.06 t CO2e/capita (2024)
- Methane (CH4) emissions from Agriculture 15.58 Mt CO2e (2024)
- Methane (CH4) emissions from Building (Energy) 0.0879 Mt CO2e (2024)
- Methane (CH4) emissions from Fugitive Emissions (Energy) 1.23 Mt CO2e (2024)
- Methane (CH4) emissions from Industrial Combustion (Energy) 0.0115 Mt CO2e (2024)
- Methane (CH4) emissions (total) excluding LULUCF 18.11 Mt CO2e (2024)
- Methane (CH4) emissions from Power Industry (Energy) 0.0209 Mt CO2e (2024)
- Methane (CH4) emissions from Transport (Energy) 0.0087 Mt CO2e (2024)
- Methane (CH4) emissions from Waste 1.16 Mt CO2e (2024)
Frequently asked questions
- What is average nitrate concentration in freshwater in Ireland?
- Average nitrate concentration in freshwater in Ireland was 12.13 milligrams per litre 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 Ireland?
- The highest recorded value was 22.53 milligrams per litre in 1993.
- What is the lowest average nitrate concentration in freshwater recorded in Ireland?
- The lowest recorded value was 11.01 milligrams per litre in 2009.
- How does Ireland rank for average nitrate concentration in freshwater?
- Ireland ranks 22nd out of 34 regions with data for 2021.
- Is average nitrate concentration in freshwater rising or falling in Ireland?
- Over the last ten years it is down 11.6%. The long-run trend across the full record is falling.
- 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 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.