Nitrate in groundwater

Last updated time
20/01/2026 11:00
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Annual
Nitrate in groundwater
Milligrams per litre
Poland

Nitrate in groundwater

20072023

Nitrate concentration in groundwater by country in 2023 (nitrate in groundwater, milligrams per litre)

In 2023, Spain had the highest value (31.74) among 24 countries, while Latvia had the lowest (1.82).

#CountryValueChange
1Spain31.74-1.6%
2Belgium29.96-0.6%
3Bulgaria29.18+1.7%
4Denmark23.89-0.1%
5Germany22.19-0.2%
6Austria20.91-0.7%