Nitrate in groundwater in Portugal
Portugal: Nitrate in groundwater was 15.7 Milligrams per litre in 2023. ▼ Falling
Latest (2023)
15.7 Milligrams per litre
Change on year
up 1.6%
World rank
13th
of 31 countries
All-time high
17.65 Milligrams per litre
in 2007
All-time low
14.87 Milligrams per litre
in 2017
Years of data
17
2007–2023
Nitrate in groundwater in Portugal, 2007–2023
Source: Eurostat. Measured in Milligrams per litre.
Analysis
Portugal recorded 15.7 Milligrams per litre for nitrate in groundwater in 2023.
The figure is up 1.6% on the previous year and up 1.0% over ten years.
Over the whole period, nitrate in groundwater in Portugal peaked at 17.65 Milligrams per litre in 2007 and was at its lowest, 14.87 Milligrams per litre, in 2017.
That places Portugal 13th out of 31 countries with data for 2023, putting it in the middle of the range.
The long-run direction has been consistently falling across the 17 years of available data.
Nitrate in groundwater in Portugal, year by year
| Year | Milligrams per litre | Change |
|---|---|---|
| 2007 | 17.65 Milligrams per litre | — |
| 2008 | 17.21 Milligrams per litre | -2.5% |
| 2009 | 16.82 Milligrams per litre | -2.3% |
| 2010 | 16.46 Milligrams per litre | -2.1% |
| 2011 | 16.13 Milligrams per litre | -2.0% |
| 2012 | 15.83 Milligrams per litre | -1.9% |
| 2013 | 15.54 Milligrams per litre | -1.8% |
| 2014 | 15.29 Milligrams per litre | -1.6% |
| 2015 | 15.07 Milligrams per litre | -1.4% |
| 2016 | 14.93 Milligrams per litre | -0.9% |
| 2017 | 14.87 Milligrams per litre | -0.4% |
| 2018 | 14.89 Milligrams per litre | +0.1% |
| 2019 | 14.98 Milligrams per litre | +0.6% |
| 2020 | 15.12 Milligrams per litre | +0.9% |
| 2021 | 15.28 Milligrams per litre | +1.1% |
| 2022 | 15.46 Milligrams per litre | +1.2% |
| 2023 | 15.7 Milligrams per litre | +1.6% |
Portugal compared with similar countries
- Portugal's 15.7 Milligrams per litre is above the median for Europe & Central Asia, which is 15.61 Milligrams per litre, 1.0× the median. (24 countries reporting)
- Portugal's 15.7 Milligrams per litre is above the median for high income countries, which is 15.7 Milligrams per litre, 1.0× the median. (23 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 17.23 Milligrams per litre | 16.82 Milligrams per litre | 17.65 Milligrams per litre | 3 |
| 2010s | 15.4 Milligrams per litre | 14.87 Milligrams per litre | 16.46 Milligrams per litre | 10 |
| 2020s | 15.39 Milligrams per litre | 15.12 Milligrams per litre | 15.7 Milligrams per litre | 4 |
Countries ranked near Portugal
More environment data for Portugal
- Historical exposure to drought — Land soil moisture anomaly -0.6043 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -0.5127 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.44 °C (2025)
- Temperature change 2.15 °C (2025)
- Wood-based panels — Production, annual growth rate 3.41 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual -3.29 % 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 0.1607 % change on previous year (2024)
Frequently asked questions
- What is nitrate in groundwater in Portugal?
- Nitrate in groundwater in Portugal was 15.7 Milligrams per litre in 2023, according to Eurostat.
- What is the highest nitrate in groundwater recorded in Portugal?
- The highest recorded value was 17.65 Milligrams per litre in 2007.
- What is the lowest nitrate in groundwater recorded in Portugal?
- The lowest recorded value was 14.87 Milligrams per litre in 2017.
- How does Portugal rank for nitrate in groundwater?
- Portugal ranks 13th out of 31 countries with data for 2023.
- Is nitrate in groundwater rising or falling in Portugal?
- Over the last ten years it is up 1.0%. The long-run trend across the full record is falling.
- Where does this Portugal data come from?
- The figures come from Eurostat, published as part of Nitrate in groundwater. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 17 observations, free to reuse under CC BY 4.0 (Eurostat).