This list embraces topographical watersheds and drainage basins and other topics focused on them.

Terms – different uses

*The source of a river or stream is the furthest place from its estuary or confluence with another river, and is alternatively known as a "watershed" and/or "headwaters" in some countries. *The

confluence In geography, a confluence (also: ''conflux'') occurs where two or more flowing bodies of water join to form a single channel. A confluence can occur in several configurations: at the point where a tributary joins a larger river (main stem); o ...

is the meeting of two rivers or streams, and may sometimes be known as "headwaters". *A drainage basin is an area of land where all surface water converges to a single point at a lower elevation. In North America, "watershed" is used for this sense, while elsewhere terms like "catchment" or "drainage area" are used. *A

drainage divide A drainage divide, water divide, ridgeline, watershed, water parting or height of land is elevated terrain that separates neighboring drainage basins. On rugged land, the divide lies along topographical ridges, and may be in the form of a singl ...

is the line that separates neighboring drainage basins. In English-speaking countries outside of North America, this is normally known as a "watershed".

Drainage divides

Drainage divides Drainage is the natural or artificial removal of a surface's water and sub-surface water from an area with excess of water. The internal drainage of most agricultural soils is good enough to prevent severe waterlogging (anaerobic condition ...

category *The European Watershed, the line dividing the drainage basins of the major rivers of Europe *The

Drainage divide A drainage divide, water divide, ridgeline, watershed, water parting or height of land is elevated terrain that separates neighboring drainage basins. On rugged land, the divide lies along topographical ridges, and may be in the form of a singl ...

s, the lines dividing drainage basins in North America (i.e.: Great Basin Divide and Great Basin hydrologic region)

Watersheds and drainage basins

* Basins category * Drainage basins category * List of drainage basins by area: A worldwide list of watersheds *

Drainage basins of the Atlantic Ocean Drainage is the natural or artificial removal of a surface's water and sub-surface water from an area with excess of water. The internal drainage of most agricultural soils is good enough to prevent severe waterlogging (anaerobic condition ...

category * Drainage basins of the Arctic Ocean category

Watersheds - basins by country

Watersheds of Canada Watershed is a hydrological term, which has been adopted in other fields in a more or less figurative sense. It may refer to: Hydrology * Drainage divide, the line that separates neighbouring drainage basins * Drainage basin, called a "watershe ...

category * Watersheds of the United States category * Drainage systems of Australia category

Examples

* Lake Erie Watershed (Pennsylvania) *

Guadalupe Watershed The Guadalupe River watershed consists of of land within northern California's Santa Clara County. The surface runoff from this area drains into the Guadalupe River, its tributary streams, reservoirs or other bodies of water which all eventually ...

* Hudson River Watershed *

Humber Watershed The Humber River ( oj, Gabekanaang-ziibi, p=Gabekanaang-ziibi, ''meaning: "little thundering waters"'') is a river in Southern Ontario, Canada. It is in the Great Lakes Basin, is a tributary of Lake Ontario and is one of two major rivers on e ...

Turtle Creek Watershed Turtle Creek is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed August 15, 2011 tributary of the Monongahela River in Allegheny and Westmoreland counties in the U.S. state of P ...

Watershed and drainage basin organisations and institutions

Management organisations

* Watershed management, the management of drainage basins * Watershed Protection and Flood Prevention Act, a United States law controlling drainage and water storage * Watershed district (Minnesota), one of a number of government entities in the US state of Minnesota which monitor and regulate the use of water in drainage basins *

Watershed district (Russia) A watershed district (russian: Бассейновый округ, Basseynovy okrug) in Russia is any of twenty groups of water bodies listed in the Water Code of Russian Federation, serving as the main unit of management in the field of use and pr ...

, one of twenty groups of water bodies listed in the Water Code of the Russian Federation

Examples

Council for Watershed Health The Council for Watershed Health (CWH) is a nonprofit environmental organization in the U.S. state of California. It was founded in 1996 by Dorothy Green to preserve, restore, and enhance the Los Angeles and San Gabriel River watersheds. To ...

Great Swamp Watershed Association The Great Swamp Watershed Association is a member-based, non-profit, 501(c)(3) conservation organization dedicated to preserving and protecting water and natural areas. Their programs serve all who live, work, or play in the Great Swamp watershed ...

Minnehaha Creek Watershed District The Minnehaha Creek Watershed District's mission is to collaborate with public and private partners to protect and improve land and water for current and future generations. The Minnehaha Creek in its name refers to the water link from Lake Minnet ...

Santa Fe Watershed Association The Santa Fe Watershed Association is a non-profit organization based in Santa Fe, New Mexico. The mission of the Santa Fe Watershed Association is to return the Santa Fe River to a living river, from its beginning at Lake Peak to its final ou ...

Walla Walla Basin Watershed Council The Walla Walla Basin Watershed Council (WWBWC) is a Non-profit organization, non-profit Grassroots democracy, grassroots organization in the U.S. states of Washington (U.S. state), Washington and Oregon that fosters education and cooperation among ...

Yukon River Inter-Tribal Watershed Council The Yukon River Inter-Tribal Watershed Council (YRITWC) is a multi-government advisory, advocacy, monitoring, and lobby group for protecting and cleaning up the Yukon River. It consists of 66 First Nations and tribes in Alaska, Yukon, and British ...

Study institutions

* University of South Carolina Upstate: Center for Watershed Ecology

Other uses

* Watershed College, Zimbabwe * Watershed Media Centre,

Bristol, England Bristol () is a city, ceremonial county and unitary authority in England. Situated on the River Avon, it is bordered by the ceremonial counties of Gloucestershire to the north and Somerset to the south. Bristol is the most populous city in S ...

* Stony Brook Millstone Watershed Arboretum *"River of Words"; watersheds as subject poetry competition {{DEFAULTSORT:watershed topics - List of Watershed topics

Watershed Watershed is a hydrological term, which has been adopted in other fields in a more or less figurative sense. It may refer to: Hydrology * Drainage divide, the line that separates neighbouring drainage basins * Drainage basin, called a "watershe ...

Water and the environment