Nitrate in groundwater in Ireland

Ireland: Nitrate in groundwater was 12.69 Milligrams per litre in 2023. ▬ Flat

Latest (2023)
12.69 Milligrams per litre
Change on year
up 1.2%
World rank
18th
of 31 countries
All-time high
13.12 Milligrams per litre
in 2007
All-time low
11.63 Milligrams per litre
in 2015
Years of data
17
2007–2023

Nitrate in groundwater in Ireland, 2007–2023

0510152007201520232007: 13.1 Milligrams per litre2008: 12.7 Milligrams per litre2009: 12.4 Milligrams per litre2010: 12.1 Milligrams per litre2011: 11.9 Milligrams per litre2012: 11.8 Milligrams per litre2013: 11.8 Milligrams per litre2014: 11.7 Milligrams per litre2015: 11.6 Milligrams per litre2016: 11.7 Milligrams per litre2017: 11.8 Milligrams per litre2018: 11.9 Milligrams per litre2019: 12.1 Milligrams per litre2020: 12.3 Milligrams per litre2021: 12.4 Milligrams per litre2022: 12.5 Milligrams per litre2023: 12.7 Milligrams per litre

Source: Eurostat. Measured in Milligrams per litre.

Analysis

Ireland recorded 12.69 Milligrams per litre for nitrate in groundwater in 2023.

That represents a change of up 1.2% on the previous year and up 7.7% over ten years.

Over the whole period, nitrate in groundwater in Ireland peaked at 13.12 Milligrams per litre in 2007 and was at its lowest, 11.63 Milligrams per litre, in 2015.

Ireland ranks 18th of 31 countries on this measure, in the middle of the range.

Nitrate in groundwater in Ireland, year by year

Annual values for Nitrate in groundwater in Ireland, 2007 to 2023.
Year Milligrams per litre Change
2007 13.12 Milligrams per litre —
2008 12.72 Milligrams per litre -3.0%
2009 12.37 Milligrams per litre -2.8%
2010 12.06 Milligrams per litre -2.5%
2011 11.92 Milligrams per litre -1.2%
2012 11.85 Milligrams per litre -0.6%
2013 11.78 Milligrams per litre -0.6%
2014 11.69 Milligrams per litre -0.8%
2015 11.63 Milligrams per litre -0.5%
2016 11.65 Milligrams per litre +0.2%
2017 11.75 Milligrams per litre +0.9%
2018 11.91 Milligrams per litre +1.4%
2019 12.09 Milligrams per litre +1.5%
2020 12.27 Milligrams per litre +1.5%
2021 12.42 Milligrams per litre +1.2%
2022 12.54 Milligrams per litre +1.0%
2023 12.69 Milligrams per litre +1.2%

Ireland compared with similar countries

  • Ireland's 12.69 Milligrams per litre is below the median for Europe & Central Asia, which is 15.61 Milligrams per litre, 81% of the median. (24 countries reporting)
  • Ireland's 12.69 Milligrams per litre is below the median for high income countries, which is 15.7 Milligrams per litre, 81% of the median. (23 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
2000s 12.74 Milligrams per litre 12.37 Milligrams per litre 13.12 Milligrams per litre 3
2010s 11.83 Milligrams per litre 11.63 Milligrams per litre 12.09 Milligrams per litre 10
2020s 12.48 Milligrams per litre 12.27 Milligrams per litre 12.69 Milligrams per litre 4

Countries ranked near Ireland

  1. 15 Slovenia 15.48 Milligrams per litre compare
  2. 15 Slovenia 15.48 Milligrams per litre compare
  3. 17 Switzerland 14.42 Milligrams per litre compare
  4. 19 Serbia 9.12 Milligrams per litre compare
  5. 20 Poland 8.59 Milligrams per litre compare
  6. 20 Poland 8.59 Milligrams per litre compare

See the full ranking of 32 places →

More environment data for Ireland

All data for Ireland →

Frequently asked questions

What is nitrate in groundwater in Ireland?
Nitrate in groundwater in Ireland was 12.69 Milligrams per litre in 2023, according to Eurostat.
What is the highest nitrate in groundwater recorded in Ireland?
The highest recorded value was 13.12 Milligrams per litre in 2007.
What is the lowest nitrate in groundwater recorded in Ireland?
The lowest recorded value was 11.63 Milligrams per litre in 2015.
How does Ireland rank for nitrate in groundwater?
Ireland ranks 18th out of 31 countries with data for 2023.
Is nitrate in groundwater rising or falling in Ireland?
Over the last ten years it is up 7.7%. The long-run trend across the full record is flat.
Where does this Ireland data come from?
The figures come from Eurostat, published as part of Nitrate in groundwater. Statizoid updates them automatically from the source API.

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Nitrate in groundwater in Ireland. Statizoid, drawing on Eurostat. Retrieved 26 September 2026, from https://environment.statizoid.com/stat/nitrate-in-groundwater/ireland/

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About this data

Indicator
Nitrate in groundwater
Unit
Milligrams per litre
Source
Eurostat
Licence
CC BY 4.0 (Eurostat)
Coverage
32 places, 544 data points, 2007–2023
Last refreshed