Average nitrate concentration in freshwater in Bulgaria

Bulgaria: Average nitrate concentration in freshwater was 29.34 milligrams per litre in 2021. ▲ Rising

Latest (2021)
29.34 milligrams per litre
Change on year
unchanged
World rank
4th
of 34 countries
All-time high
29.34 milligrams per litre
in 2020
All-time low
20.26 milligrams per litre
in 2011
Years of data
22
2000–2021

Average nitrate concentration in freshwater in Bulgaria, 2000–2021

01020302000201020212000: 23.3 milligrams per litre2001: 24.3 milligrams per litre2002: 24.3 milligrams per litre2003: 23.3 milligrams per litre2004: 23.9 milligrams per litre2005: 22.5 milligrams per litre2006: 21.4 milligrams per litre2007: 24 milligrams per litre2008: 22.9 milligrams per litre2009: 23.7 milligrams per litre2010: 20.7 milligrams per litre2011: 20.3 milligrams per litre2012: 22.2 milligrams per litre2013: 22.9 milligrams per litre2014: 25.6 milligrams per litre2015: 28.8 milligrams per litre2016: 29 milligrams per litre2017: 29.3 milligrams per litre2018: 27.1 milligrams per litre2019: 27 milligrams per litre2020: 29.3 milligrams per litre2021: 29.3 milligrams per litre

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 Bulgaria is 29.34 milligrams per litre, measured in 2021. That is the highest value across all 22 years on record.

The figure is up 44.8% over ten years.

Over the whole period, average nitrate concentration in freshwater in Bulgaria peaked at 29.34 milligrams per litre in 2020 and was at its lowest, 20.26 milligrams per litre, in 2011.

Bulgaria ranks 4th of 34 countries on this measure, in the top 10%.

The long-run direction has been consistently rising across the 22 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
2000s 23.37 milligrams per litre 21.45 milligrams per litre 24.26 milligrams per litre 10
2010s 25.27 milligrams per litre 20.26 milligrams per litre 29.28 milligrams per litre 10
2020s 29.34 milligrams per litre 29.34 milligrams per litre 29.34 milligrams per litre 2

Countries ranked near Bulgaria

  1. 1 Greece 115.65 milligrams per litre compare
  2. 2 Spain 36.93 milligrams per litre compare
  3. 5 Belgium 27.71 milligrams per litre compare
  4. 6 Germany 25.79 milligrams per litre compare
  5. 7 Montenegro 22.87 milligrams per litre compare

See the full ranking of 34 places →

More environment data for Bulgaria

All data for Bulgaria →

Frequently asked questions

What is average nitrate concentration in freshwater in Bulgaria?
Average nitrate concentration in freshwater in Bulgaria was 29.34 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 Bulgaria?
The highest recorded value was 29.34 milligrams per litre in 2020.
What is the lowest average nitrate concentration in freshwater recorded in Bulgaria?
The lowest recorded value was 20.26 milligrams per litre in 2011.
How does Bulgaria rank for average nitrate concentration in freshwater?
Bulgaria ranks 4th out of 34 countries with data for 2021.
Is average nitrate concentration in freshwater rising or falling in Bulgaria?
Over the last ten years it is up 44.8%. The long-run trend across the full record is rising.
Where does this Bulgaria 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 — 22 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Average nitrate concentration in freshwater
Unit
milligrams per litre
Source
European Environment Agency (2023) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
34 places, 655 data points, 1992–2021
Last refreshed

Average annual concentration of nitrate in groundwater.