Denmark vs Italy: Average nitrate concentration in freshwater

Denmark

20.05 milligrams per litre

in 2021

Italy

19.92 milligrams per litre

in 2021

Denmark rank

11th

Italy rank

12th

Average nitrate concentration in freshwater over time

Denmark currently reports 20.05 milligrams per litre against 19.92 milligrams per litre in Italy, a difference of 0.1383 milligrams per litre.

The two have swapped places 5 times across 22 shared years of data; in 2000 it was Italy ahead.

Denmark ranks 11th and Italy ranks 12th 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.