Czechia vs Denmark: Average nitrate concentration in freshwater

Czechia

18.66 milligrams per litre

in 2021

Denmark

20.05 milligrams per litre

in 2021

Czechia rank

14th

Denmark rank

11th

Average nitrate concentration in freshwater over time

Denmark currently reports 20.05 milligrams per litre against 18.66 milligrams per litre in Czechia, a difference of 1.39 milligrams per litre.

That makes Denmark's figure about 1.1 times Czechia's.

Across all 23 years both countries report, Denmark has been ahead every year.

Czechia ranks 14th and Denmark ranks 11th of 34 countries.

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: 07 August 2026

Average annual concentration of nitrate in groundwater.