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49-521: The Puyallup River is the largest freshwater stream emptying into the bay. Others include Ruston Creek , Mason Creek , Asarco Creek , Puget Creek , Hylebos Creek , and Wapato Creek . Lieutenant Charles Wilkes of the United States Exploring Expedition named Commencement Bay in 1841, commemorating the place where he started his survey of southern Puget Sound. The first Euro-American habitation on Commencement Bay

98-427: A hierarchical pattern . Other terms for a drainage basin are catchment area , catchment basin , drainage area , river basin , water basin , and impluvium . In North America, they are commonly called a watershed , though in other English-speaking places, "watershed" is used only in its original sense, that of the drainage divide line. A drainage basin's boundaries are determined by watershed delineation ,

147-476: A Puyallup. Drainage basin A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth , or flows into another body of water , such as a lake or ocean . A basin is separated from adjacent basins by a perimeter, the drainage divide , made up of a succession of elevated features, such as ridges and hills . A basin may consist of smaller basins that merge at river confluences , forming

196-602: A Superfund site in 1983. In 1991, the Environmental Protection Agency announced that the St. Paul Waterway, once among the most contaminated parts of Commencement Bay, had been the first marine Superfund site in the nation to be cleansed of pollution. 47°17′23″N 122°27′29″W  /  47.2897°N 122.4580°W  / 47.2897; -122.4580 Puyallup River The Puyallup River ( / p juː ˈ æ l ə p / pyew- AL -əp )

245-437: A common task in environmental engineering and science. In a closed drainage basin, or endorheic basin , rather than flowing to the ocean, water converges toward the interior of the basin, known as a sink , which may be a permanent lake, a dry lake , or a point where surface water is lost underground . Drainage basins are similar but not identical to hydrologic units , which are drainage areas delineated so as to nest into

294-454: A drainage basin, and there are different ways to interpret that data. In the unlikely event that the gauges are many and evenly distributed over an area of uniform precipitation, using the arithmetic mean method will give good results. In the Thiessen polygon method, the drainage basin is divided into polygons with the rain gauge in the middle of each polygon assumed to be representative for

343-540: A drainage boundary is referred to as watershed delineation . Finding the area and extent of a drainage basin is an important step in many areas of science and engineering. Most of the water that discharges from the basin outlet originated as precipitation falling on the basin. A portion of the water that enters the groundwater system beneath the drainage basin may flow towards the outlet of another drainage basin because groundwater flow directions do not always match those of their overlying drainage network. Measurement of

392-479: A large smelting facility was operated by ASARCO on the shore of Commencement Bay near Point Defiance. The town of Ruston surrounds the former ASARCO plant. Tailing waste was dumped into the bay, eventually forming a long peninsula. Today it is a project area within the Commencement Bay Superfund site. The Thea Foss Waterway , an arm of Commencement Bay near downtown Tacoma, was declared

441-602: A multi-level hierarchical drainage system . Hydrologic units are defined to allow multiple inlets, outlets, or sinks. In a strict sense, all drainage basins are hydrologic units but not all hydrologic units are drainage basins. About 48.71% of the world's land drains to the Atlantic Ocean . In North America , surface water drains to the Atlantic via the Saint Lawrence River and Great Lakes basins,

490-499: A rich and complex habitat for fish and other animals. In addition, the river's mouth at Commencement Bay occupied an extensive tidal flat and wetland estuary delta. Urbanization and an extensive system of flood control structures such as dams, levees, and culverts, have radically altered much of the Puyallup River and its tributaries. The estuary delta at the mouth of the Puyallup River has been almost completely replaced with

539-476: Is a river in the U.S. state of Washington . About 45 miles (72 km) long, it is formed by glaciers on the west side of Mount Rainier . It flows generally northwest, emptying into Commencement Bay , part of Puget Sound . The river and its tributaries drain an area of about 948 square miles (2,460 km ) in Pierce County and southern King County . The river's watershed is the youngest in

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588-487: Is referred to as " watershed management ". In Brazil , the National Policy of Water Resources, regulated by Act n° 9.433 of 1997, establishes the drainage basin as the territorial division of Brazilian water management. When a river basin crosses at least one political border, either a border within a nation or an international boundary, it is identified as a transboundary river . Management of such basins becomes

637-614: Is the Dead Sea . Drainage basins have been historically important for determining territorial boundaries, particularly in regions where trade by water has been important. For example, the English crown gave the Hudson's Bay Company a monopoly on the fur trade in the entire Hudson Bay basin, an area called Rupert's Land . Bioregional political organization today includes agreements of states (e.g., international treaties and, within

686-713: The African Great Lakes , the interiors of Australia and the Arabian Peninsula , and parts in Mexico and the Andes . Some of these, such as the Great Basin, are not single drainage basins but collections of separate, adjacent closed basins. In endorheic bodies of water where evaporation is the primary means of water loss, the water is typically more saline than the oceans. An extreme example of this

735-607: The Eastern Seaboard of the United States, the Canadian Maritimes , and most of Newfoundland and Labrador . Nearly all of South America east of the Andes also drains to the Atlantic, as does most of Western and Central Europe and the greatest portion of western Sub-Saharan Africa , as well as Western Sahara and part of Morocco . The two major mediterranean seas of the world also flow to

784-735: The Mississippi (3.22 million km ), and the Río de la Plata (3.17 million km ). The three rivers that drain the most water, from most to least, are the Amazon, Ganges , and Congo rivers. Endorheic basin are inland basins that do not drain to an ocean. Endorheic basins cover around 18% of the Earth's land. Some endorheic basins drain to an Endorheic lake or Inland sea . Many of these lakes are ephemeral or vary dramatically in size depending on climate and inflow. If water evaporates or infiltrates into

833-809: The Nile River ), Southern , Central, and Eastern Europe , Turkey , and the coastal areas of Israel , Lebanon , and Syria . The Arctic Ocean drains most of Western Canada and Northern Canada east of the Continental Divide , northern Alaska and parts of North Dakota , South Dakota , Minnesota , and Montana in the United States, the north shore of the Scandinavian peninsula in Europe, central and northern Russia, and parts of Kazakhstan and Mongolia in Asia , which totals to about 17% of

882-726: The Puget Sound region , having been formed from a series of lahars starting about 5,600 years ago. The valley's 150,000 residents are at risk from future lahars. For this reason, the United States Geological Survey has installed a lahar warning system. The Puyallup River begins in two forks, the North Puyallup River and the South Puyallup River. Both originate at glaciers on Mount Rainier. The North Puyallup River flows from

931-789: The Andes. The Indian Ocean 's drainage basin also comprises about 13% of Earth's land. It drains the eastern coast of Africa, the coasts of the Red Sea and the Persian Gulf , the Indian subcontinent , Burma, and most parts of Australia . The five largest river basins (by area), from largest to smallest, are those of the Amazon (7 million km ), the Congo (4 million km ), the Nile (3.4 million km ),

980-726: The Atlantic. The Caribbean Sea and Gulf of Mexico basin includes most of the U.S. interior between the Appalachian and Rocky Mountains , a small part of the Canadian provinces of Alberta and Saskatchewan , eastern Central America , the islands of the Caribbean and the Gulf, and a small part of northern South America. The Mediterranean Sea basin, with the Black Sea , includes much of North Africa , east-central Africa (through

1029-472: The Puyallup River, splitting Commencement Bay between the two counties. In 1901 the border was changed, giving Pierce County the entire bay. Seattle-Tacoma Shipbuilding operated out of the bay during World War 2 producing escort carriers and auxiliaries as one of the yards belonging to the Todd Corporation , which included a nearby yard on Harbor Island, Seattle . For much of the 20th century

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1078-466: The Puyallup River. These rights were ignored for decades until Bob Satiacum was arrested in 1954 for fishing illegally on the river. His legal case continued for years and resulted in the 1974 Boldt Decision , which granted half of all fishing rights in Washington state to native tribes. The Puyallup tribe continues to maintain several buildings and properties on reservation lands near the mouth of

1127-538: The Puyallup from the east. Below the Mowich confluence, the Puyallup River flows through a rugged region of mountains and foothills. The river is dammed at Electron Diversion Dam shortly below the Mowich confluence. The dam diverts a portion of the Puyallup River into a long flume , which runs for several miles to Electron, where the water is passed through turbines in a hydroelectric powerhouse before being returned to

1176-623: The US, interstate compacts ) or other political entities in a particular drainage basin to manage the body or bodies of water into which it drains. Examples of such interstate compacts are the Great Lakes Commission and the Tahoe Regional Planning Agency . In hydrology , the drainage basin is a logical unit of focus for studying the movement of water within the hydrological cycle . The process of finding

1225-626: The White River, have been subjected to major modifications during the 20th century. The Puyallup River between Sumner and its mouth at Tacoma was straightened . A diversion dam was built at Game Farm Park in 1914 to prevent the White River from flowing on its natural course into the Green River at Auburn; since then it has flowed into the Puyallup River instead of the Green River. Flood protection structures were built along many rivers in

1274-507: The basin, including extensive levees . A flood storage reservoir, Mud Mountain Lake, was created on the White River with the construction of Mud Mountain Dam . As part of the flood control efforts, river channels and embankments have been generally kept clear of debris such as gravel bars, large trees, logjams, and other woody debris. These modifications have radically altered the natural character of

1323-406: The basin, it can form tributaries that change the structure of the land. There are three different main types, which are affected by the rocks and ground underneath. Rock that is quick to erode forms dendritic patterns, and these are seen most often. The two other types of patterns that form are trellis patterns and rectangular patterns. Rain gauge data is used to measure total precipitation over

1372-430: The discharge of water from a basin may be made by a stream gauge located at the basin's outlet. Depending on the conditions of the drainage basin, as rainfall occurs some of it seeps directly into the ground. This water will either remain underground, slowly making its way downhill and eventually reaching the basin, or it will permeate deeper into the soil and consolidate into groundwater aquifers. As water flows through

1421-441: The drainage area is dependent on the soil type. Certain soil types such as sandy soils are very free-draining, and rainfall on sandy soil is likely to be absorbed by the ground. However, soils containing clay can be almost impermeable and therefore rainfall on clay soils will run off and contribute to flood volumes. After prolonged rainfall even free-draining soils can become saturated , meaning that any further rainfall will reach

1470-697: The drainage basin to the mouth, and may accumulate there, disturbing the natural mineral balance. This can cause eutrophication where plant growth is accelerated by the additional material. Because drainage basins are coherent entities in a hydrological sense, it has become common to manage water resources on the basis of individual basins. In the U.S. state of Minnesota , governmental entities that perform this function are called " watershed districts ". In New Zealand, they are called catchment boards. Comparable community groups based in Ontario, Canada, are called conservation authorities . In North America, this function

1519-498: The facilities of the Port of Tacoma, with less than 5% of the original estuarine habitat remaining. A fall run of chinook salmon occurs on the river. coho , chum , and pink salmon are also found in the river, along with steelhead , sea-run coastal cutthroat trout , and a threatened species, bull trout . Sockeye salmon are considered indigenous to the basin, but are rarely seen today. The Puyallup River and its main tributary,

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1568-435: The ground and along rivers it can pick up nutrients , sediment , and pollutants . With the water, they are transported towards the outlet of the basin, and can affect the ecological processes along the way as well as in the receiving water body . Modern use of artificial fertilizers , containing nitrogen (as nitrates ), phosphorus , and potassium , has affected the mouths of drainage basins. The minerals are carried by

1617-781: The ground at its terminus, the area can go by several names, such playa, salt flat, dry lake , or alkali sink . The largest endorheic basins are in Central Asia , including the Caspian Sea , the Aral Sea , and numerous smaller lakes. Other endorheic regions include the Great Basin in the United States, much of the Sahara Desert , the drainage basin of the Okavango River ( Kalahari Basin ), highlands near

1666-454: The railroad reached the bay in 1883 it caused a boom of development in Tacoma. The railroad facilities were located near the extensive tide flats by the mouth of the Puyallup River, about a mile from the original site of Tacoma. Not only did the tide flats provide level ground compared to the steep slopes surrounding the rest of the bay, but dredging work would quickly provide deep water access to

1715-466: The railyards and warehouses. A new town, called New Tacoma, quickly grew up by the railroad hub. "Old town" Tacoma and New Tacoma soon merged. Large land grants were provided to the Northern Pacific, including a significant part of the coast of Commencement Bay. Over time the city of Tacoma bought up this land. Originally the boundary between Pierce and King counties ran east from the mouth of

1764-418: The rainfall on the area of land included in its polygon. These polygons are made by drawing lines between gauges, then making perpendicular bisectors of those lines form the polygons. The isohyetal method involves contours of equal precipitation are drawn over the gauges on a map. Calculating the area between these curves and adding up the volume of water is time-consuming. Isochrone maps can be used to show

1813-631: The responsibility of the countries sharing it. Nile Basin Initiative , OMVS for Senegal River , Mekong River Commission are a few examples of arrangements involving management of shared river basins. Management of shared drainage basins is also seen as a way to build lasting peaceful relationships among countries. The catchment is the most significant factor determining the amount or likelihood of flooding . Catchment factors are: topography , shape, size, soil type, and land use (paved or roofed areas). Catchment topography and shape determine

1862-676: The river is joined by the White River , another glacier-fed river. At the White River confluence, the Puyallup River turns northwest, flowing by the cities of Puyallup and Fife , and through the Puyallup Indian Reservation , before emptying into Commencement Bay at the Port of Tacoma , part of the city of Tacoma . The Puyallup River and its main tributaries originate in the glaciers of Mount Rainier. These glaciers continually provide sediment such as silt and gravel to

1911-461: The river rather than being absorbed by the ground. If the surface is impermeable the precipitation will create surface run-off which will lead to higher risk of flooding; if the ground is permeable, the precipitation will infiltrate the soil. Land use can contribute to the volume of water reaching the river, in a similar way to clay soils. For example, rainfall on roofs, pavements , and roads will be collected by rivers with almost no absorption into

1960-600: The river. The Puyallup River passes through a steep and narrow gorge between Electron Dam and the powerhouse. After Electron the river turns north and flows by the city of Orting , where it is joined by the Carbon River from the east. Like the Mowich, the Carbon River also originates at a glacier on Mount Rainier (the Carbon Glacier ). The Puyallup continues its northernly course after Orting. At Sumner ,

2009-534: The river. They are stakeholders in many issues about the river, such as the amount of water diverted at Electron Diversion Dam. The first known European to explore the Puyallup River valley was William Fraser Tolmie , who in August 1833 made a journey to the Mount Rainier area via the Puyallup and Mowich river valleys. Two Native American guides accompanied Tolmie, Lachalet, a Nisqually Indian, and Nuckalkat,

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2058-573: The rivers, creating sand and gravel bars. The thick sediment deposits in the stream beds lower water capacity, which causes the river to meander and flood during periods of high streamflow. It also causes the rivers to become braided and meandering . During the summer glacial meltwater dominates the streamflow, turning the Puyallup River turbid . In addition, the glaciers delay the onset of spring-summer runoff , compared to unglaciated river basins. Historically, these factors resulted in frequent flooding and extensive floodplain wetlands , and provided

2107-633: The rivers. River widths have been generally reduced. Water now fills nearly all of the land between river banks, instead of the historic pattern of braided meanders and wetlands. The river is named for the Puyallup tribe , who lived throughout the river basin. After the Treaty of Medicine Creek and the Puget Sound War the Puyallup were granted a reservation on the lower Puyallup River. The Treaty of Medicine Creek recognized native fishing rights on

2156-418: The speed with which the runoff reaches a river. A long thin catchment will take longer to drain than a circular catchment. Size will help determine the amount of water reaching the river, as the larger the catchment the greater the potential for flooding. It is also determined on the basis of length and width of the drainage basin. Soil type will help determine how much water reaches the river. The runoff from

2205-415: The time taken for rain to reach the river, while catchment size, soil type, and development determine the amount of water to reach the river. Generally, topography plays a big part in how fast runoff will reach a river. Rain that falls in steep mountainous areas will reach the primary river in the drainage basin faster than flat or lightly sloping areas (e.g., > 1% gradient). Shape will contribute to

2254-477: The time taken for runoff water within a drainage basin to reach a lake, reservoir or outlet, assuming constant and uniform effective rainfall. Drainage basins are the principal hydrologic unit considered in fluvial geomorphology . A drainage basin is the source for water and sediment that moves from higher elevation through the river system to lower elevations as they reshape the channel forms. Drainage basins are important in ecology . As water flows over

2303-406: The toe of Puyallup Glacier , while the South Puyallup River flows from Tahoma Glacier . The two streams flow through the western part of Mount Rainier National Park , joining just outside the park boundary and forming the Puyallup River proper. The main Puyallup River flows north and northwest from Mount Rainier. The tributary Mowich River , which also flows from glaciers on Mount Rainier, joins

2352-789: The world's land. Just over 13% of the land in the world drains to the Pacific Ocean . Its basin includes much of China, eastern and southeastern Russia, Japan, the Korean Peninsula , most of Indochina, Indonesia and Malaysia, the Philippines, all of the Pacific Islands , the northeast coast of Australia , and Canada and the United States west of the Continental Divide (including most of Alaska), as well as western Central America and South America west of

2401-512: Was by Swede Nicolas Delin (b. ca. 1817). He built a water-powered sawmill in 1852 where a creek entered the head of the bay. A small community grew up around the operation, but the settlers evacuated during the Puget Sound War of 1855–56 and did not return. In 1873 the Northern Pacific Railway , the first transcontinental railroad in the northern United States, announced it would locate its terminus at Commencement Bay. When

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