In Latvia, for example, intensive and unbalanced use of groundwater had caused large underground depression fields in the Liepaja and Riga aquifers, but a decrease in water consumption during the 1990s, resulting from the implementation of water consumption accounting and economic instruments, has led to a gradual rise in the water level (see fig.
Cependant, la consommation d'eau ayant baissé pendant les années 90 grâce à la mise en œuvre de sa comptabilisation et d'instruments économiques, le niveau de l'eau est progressivement remonté (voir le graphique II).