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
  • Irrigators and power plant operators can call water to their facilities from upstream reservoirs, like Green Mountain Reservoir, which is on the Blue River -- a tributary of the Colorado River -- north of Silverthorne.
    Elise Schmelzer, Denver Post, 16 July 2026
  • Hazmat materials got dumped right into rivers and tributaries.
    Patt Morrison, Los Angeles Times, 15 July 2026
Noun
  • Having gained a new source of leverage over the global economy, Tehran is fighting hard to keep it.
    David Goldman, CNN Money, 15 July 2026
  • Alex Crippen Choose CNBC as your preferred source on Google and never miss a moment from the most trusted name in business news.
    Lim Hui Jie, CNBC, 15 July 2026

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Cite this Entry

“Headwaters.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/headwaters. Accessed 18 Jul. 2026.

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