Average ammonium concentration in freshwater in Romania
Romania: Average ammonium concentration in freshwater was 0.0643 milligrams per liter in 2021. ◆ Volatile
Average ammonium concentration in freshwater in Romania, 2002–2021
Source: European Environment Agency (2023) – with minor processing by Our World in Data. Measured in milligrams per liter.
Analysis
Romania recorded 0.0643 milligrams per liter for average ammonium concentration in freshwater in 2021. That is the lowest value across all 20 years on record.
That represents a change of down 25.3% on the previous year and down 79.1% over ten years.
Over the whole period, average ammonium concentration in freshwater in Romania peaked at 0.6686 milligrams per liter in 2006 and was at its lowest, 0.0643 milligrams per liter, in 2021.
That places Romania 18th out of 32 countries with data for 2021, putting it in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Average ammonium concentration in freshwater in Romania, year by year
| Year | milligrams per liter | Change |
|---|---|---|
| 2002 | 0.6271 milligrams per liter | — |
| 2003 | 0.4577 milligrams per liter | -27.0% |
| 2004 | 0.4307 milligrams per liter | -5.9% |
| 2005 | 0.301 milligrams per liter | -30.1% |
| 2006 | 0.6686 milligrams per liter | +122.1% |
| 2007 | 0.2985 milligrams per liter | -55.4% |
| 2008 | 0.2359 milligrams per liter | -21.0% |
| 2009 | 0.2221 milligrams per liter | -5.8% |
| 2010 | 0.3147 milligrams per liter | +41.7% |
| 2011 | 0.3075 milligrams per liter | -2.3% |
| 2012 | 0.2087 milligrams per liter | -32.1% |
| 2013 | 0.1151 milligrams per liter | -44.8% |
| 2014 | 0.1324 milligrams per liter | +15.1% |
| 2015 | 0.1112 milligrams per liter | -16.0% |
| 2016 | 0.1475 milligrams per liter | +32.7% |
| 2017 | 0.1417 milligrams per liter | -3.9% |
| 2018 | 0.1799 milligrams per liter | +26.9% |
| 2019 | 0.191 milligrams per liter | +6.2% |
| 2020 | 0.0861 milligrams per liter | -54.9% |
| 2021 | 0.0643 milligrams per liter | -25.3% |
Romania compared with similar countries
- Romania's 0.0643 milligrams per liter is below the median for Europe & Central Asia, which is 0.0703 milligrams per liter, 92% of the median. (31 countries reporting)
- Romania's 0.0643 milligrams per liter is below the median for high income countries, which is 0.0673 milligrams per liter, 96% of the median. (28 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 0.4052 milligrams per liter | 0.2221 milligrams per liter | 0.6686 milligrams per liter | 8 |
| 2010s | 0.185 milligrams per liter | 0.1112 milligrams per liter | 0.3147 milligrams per liter | 10 |
| 2020s | 0.0752 milligrams per liter | 0.0643 milligrams per liter | 0.0861 milligrams per liter | 2 |
Countries ranked near Romania
More environment data for Romania
- Historical exposure to drought — Land soil moisture anomaly -4.68 Percentage change (2025)
- Historical exposure to drought — Cropland soil moisture anomaly -5.2 Percentage change (2025)
- Standard Deviation, annual growth rate 0 % change on previous year (2025)
- Standard Deviation 0.634 °C (2025)
- Temperature change 2.03 °C (2025)
- Wood-based panels — Production, annual growth rate 0 % change on previous year (2024)
- Total greenhouse gas emissions excluding LULUCF (Mt CO2e), annual 0.5647 % 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 -0.1112 % change on previous year (2024)
Frequently asked questions
- What is average ammonium concentration in freshwater in Romania?
- Average ammonium concentration in freshwater in Romania was 0.0643 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 Romania?
- The highest recorded value was 0.6686 milligrams per liter in 2006.
- What is the lowest average ammonium concentration in freshwater recorded in Romania?
- The lowest recorded value was 0.0643 milligrams per liter in 2021.
- How does Romania rank for average ammonium concentration in freshwater?
- Romania ranks 18th out of 32 countries with data for 2021.
- Is average ammonium concentration in freshwater rising or falling in Romania?
- Over the last ten years it is down 79.1%. The long-run trend across the full record is volatile.
- Where does this Romania 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.
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CSV · JSON — 20 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Average annual concentration of ammonium in lakes.