water level

noun

1

: an instrument to show the level by means of the surface of water in a trough or in a U-shaped tube

2

: the surface of still water: such as

a

: the level assumed by the surface of a particular body or column of water

b

: the waterline of a vessel

Examples of water level in a Sentence

Check the water level of the swimming pool.

We should have good water levels through the summer after all this rain.

Recent Examples on the Web

Because of its massive volume, even small changes in lake water levels carry huge implications for regional water security, hydropower planning, ecosystems, and recreation. —Amanda Greenwood, MSNBC Newsweek, 29 Mar. 2026

The map tracks live observations of water levels statewide, as well as long-range flood forecasts for the next three months. —Maia Pandey, jsonline.com, 25 Mar. 2026

After the lake’s water level reached a historic low in 2022, Utah is experiencing its worst snowpack on record. —Shawn Regan, Washington Post, 24 Mar. 2026

Visitors should be cautious about going into a sea cave without a guide, as a swell can flow into it and dramatically raise the water level in a matter of seconds, pushing kayaks into rocks and leaving little air for those trapped inside. —Kate Bradshaw, Mercury News, 23 Mar. 2026

Word History

First Known Use

circa 1560, in the meaning defined at sense 2

Rhymes for water level

• multilevel
• bevel
• devil
• daredevil
• sublevel
• mediaeval