water level


Definition of water level

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

Levees force water into a narrow channel, which makes water levels higher and faster, Nicholas Pinter, a geologist and the associate director of the Center for Watershed Sciences at the University of California, Davis, told NPR. Sara Sneath, NOLA.com, "Report: Are Mississippi River levees making flooding worse?," 23 May 2018 Efforts to track water levels in streams, reservoirs, and wells have been around for a long time, but satellites have added new options. Scott K. Johnson, Ars Technica, "GPS tracked the land sink under the weight of Hurricane Harvey’s rain," 20 Sep. 2018 Phil Gonsalves, a forecaster for the weather service, said the precipitable water level, which is a measure of the amount of water vapor in the air, was higher than has ever been recorded in San Diego on July 10. Robert Krier, sandiegouniontribune.com, "Steamy weather might include thunderstorms," 10 July 2018 But Narongsak said earlier that recent mild weather and falling water levels had created optimal conditions for an underwater evacuation. Author: Tassanee Vejpongsa, Kaweewit Kaewjinda, Anchorage Daily News, "4 rescued from Thai cave in risky operation; 9 remain inside," 9 July 2018 Rescuers are scrambling to lower water levels with pumps and prepare the group for a perilous, hours-long extraction that would include diving through pitch-black water with scuba gear. Fortune, "Elon Musk’s Team Due in Thailand to Help Rescue Soccer Team Trapped in Flooded Cave," 7 July 2018 Heavy rains pushed the water level inside the cave above 20 feet Tuesday, and authorities said more pumps would be installed to flush water from the cave. John Bacon, USA TODAY, "'We must find the children today': Desperate cave search underway for Thai soccer team," 26 June 2018 Monday's failure is just one of several pumps that were stressed and eventually burned out after the water levels of the Ohio River skyrocketed over a record rainy weekend. Thomas Novelly, The Courier-Journal, "Louisville MSD said another flood pump failed Monday morning," 26 Feb. 2018 In Washington, where many streams are glacier-fed, water levels can rise over the course of the day. Crystal Paul, The Seattle Times, "Expert tips and 10 essentials for staying safe in the wilderness," 21 Aug. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'water level.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of water level

circa 1560, in the meaning defined at sense 2

Keep scrolling for more

Learn More about water level

Statistics for water level

Last Updated

12 Apr 2019

Look-up Popularity

Time Traveler for water level

The first known use of water level was circa 1560

See more words from the same year

Keep scrolling for more

More Definitions for water level

water level


English Language Learners Definition of water level

: the height of the surface of water in a lake, river, etc.

More from Merriam-Webster on water level

Rhyming Dictionary: Words that rhyme with water level

Britannica.com: Encyclopedia article about water level

Comments on water level

What made you want to look up water level? Please tell us where you read or heard it (including the quote, if possible).


not to be persuaded, moved, or stopped

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Latin Quiz

  • roman forum
  • Which of the following months comes from a Latin word for “ten”?
True or False

Test your knowledge - and maybe learn something along the way.


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!