water level

• Niveau ou hauteur de la surface d'un plan d'eau, tel qu'une rivière, un lac ou un océan, souvent mesuré par rapport à un point de référence.

The height or elevation of the surface of a body of water, such as a river, lake, or ocean, often measured relative to a reference point.

1. Height of water surfaceB1formal

   The height or elevation of the surface of a body of water, such as a river, lake, or reservoir.

   niveau de l'eau

   • The water level in the lake has dropped significantly due to the drought.
   • Engineers monitor the water level of the river to prevent flooding.
   • Heavy rainfall caused the water level to rise rapidly.

2. Underground water tableB2formal

   The level below the Earth's surface where the ground is saturated with water.

   nappe phréatique

   • The water level in the well has fallen over the years.
   • Farmers are concerned about the dropping water level in the aquifer.
   • The water level determines how deep you need to dig for a well.