headwaters

plural of headwater
as in tributary
the beginning part of a stream the first exploration of the Missouri River from its mouth to its headwaters was made by Meriwether Lewis and William Clark in the early 1800s

Synonyms & Similar Words

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of headwaters The headwaters of the Colorado River, a vital source of water for 35 million people and 5 million acres of farmland, is drier than anyone can remember, my colleague Ian James reports. Noah Haggerty, Los Angeles Times, 2 July 2026 Its headwaters are in Indian River County, its mouth in the Atlantic near Jacksonville, which is the furthest place Sanders Fish House delivers its wild catch. Amy Drew Thompson, The Orlando Sentinel, 28 June 2026 Lake Assinica in the Broadback headwaters has attracted world-wide attention for its giant squaretails the past two years. Marc Terziev, Outdoor Life, 25 June 2026 Long-term drought fueled by climate change has shrunk the Colorado River’s flows as federal officials and water leaders in the seven basin states — including Colorado, home to its headwaters — struggle to agree on longer-term plans for the river’s management. Elise Schmelzer, Denver Post, 21 June 2026 While the river’s headwaters are near Salem, most of the outfitters are located in Steelville. Kelsey Yandura, Midwest Living, 17 June 2026 These burn areas create barriers around villages, headwaters and sensitive sites, protecting them from wildfires during peak drought. ABC News, 7 June 2026 The Cassai Life Atlas discoveries build on a decade's worth of surveys led by the National Geographic Okavango Wilderness Project within the Okavango and Lungwevungu headwaters, which uncovered a combined total of over 70 species confirmed new to science, according to The Wilderness Project. Bailey Richards, PEOPLE, 3 June 2026 The headwaters of the Yadkin River were not located in the area of heaviest rainfall and the threat for flooding has ended there. Nc Weather Bot, Charlotte Observer, 27 May 2026
Recent Examples of Synonyms for headwaters
Noun
  • Rough weather rolled over the Colorado community of Evergreen on Wednesday night, swelling Bear Creek and tributaries and tossing debris and mud into homes and downtown.
    Alan Gionet, CBS News, 25 June 2026
  • The property features over a mile of frontage along Fall River and controls two of the river’s primary spring-fed tributaries — Spring Creek and Lava Creek, according to Hall and Hall.
    David Caraccio, Sacbee.com, 23 June 2026
Noun
  • The Sacramento Housing and Redevelopment Agency will search for new funding sources for environmental cleanup at a River District property slated for affordable senior housing, after the organization was passed over for a federal grant.
    Sacbee.com, Sacbee.com, 8 July 2026
  • If multiple people become infected within a neighborhood, a typical source would be a cooling tower, hot tub or spray fountain, NYC Health wrote on its website.
    Amethyst Martinez, USA Today, 8 July 2026

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“Headwaters.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/headwaters. Accessed 11 Jul. 2026.

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