South Saskatchewan River
Encyclopedia
The South Saskatchewan River (French: rivière Saskatchewan Sud) is a major river in Canada
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

 that flows through the provinces of Alberta
Alberta
Alberta is a province of Canada. It had an estimated population of 3.7 million in 2010 making it the most populous of Canada's three prairie provinces...

 and Saskatchewan
Saskatchewan
Saskatchewan is a prairie province in Canada, which has an area of . Saskatchewan is bordered on the west by Alberta, on the north by the Northwest Territories, on the east by Manitoba, and on the south by the U.S. states of Montana and North Dakota....

.

For the first half of the 20th century, the South Saskatchewan would completely freeze over during winter, creating spectacular ice breaks and dangerous conditions in Saskatoon, Medicine Hat
Medicine Hat, Alberta
Medicine Hat, known to locals as "The Hat", is a city of 61,097 people located in the southeastern part of the province of Alberta, Canada. It is enclaved within Cypress County along with the nearby Town of Redcliff, although neither is part of the county....

 and elsewhere. At least one bridge in Saskatoon was destroyed by ice carried by the river. The construction of the Gardiner Dam
Gardiner Dam
The Gardiner Dam on the South Saskatchewan River in Saskatchewan is the largest embankment dam in Canada and one of the largest embankment dams in the world...

 in the 1960s, however, lessened the power of the river by diverting a substantial portion of the South Saskatchewan's natural flow into the Qu'Appelle River
Qu'Appelle River
The Qu'Appelle River is a Canadian river that flows 430 km east from Lake Diefenbaker in southwestern Saskatchewan to join the Assiniboine River in Manitoba, just south of Lake of the Prairies, near the village of St. Lazare....

. By the 1980s many permanent sandbars had formed due to the lowering of the level of the river.

From the headwaters of the Bow River
Bow River
The Bow River is a river in the Canadian province of Alberta. It is a tributary of the South Saskatchewan River, and is considered the headwater of the Nelson River....

, the South Saskatchewan flows for 1392 kilometres (865 mi). At its mouth at Saskatchewan River Forks
Saskatchewan River Forks
Saskatchewan River Forks refers to the area in Canada where the North Saskatchewan and South Saskatchewan rivers merge to create the Saskatchewan River...

, it has an average discharge of 280 m³/s, and has a watershed of 146100 square kilometre, 1,800 of which are in Montana
Montana
Montana is a state in the Western United States. The western third of Montana contains numerous mountain ranges. Smaller, "island ranges" are found in the central third of the state, for a total of 77 named ranges of the Rocky Mountains. This geographical fact is reflected in the state's name,...

 in the USA, and 144300 square kilometre in Alberta and Saskatchewan.

Course

The river originates at the confluence of the Bow
Bow River
The Bow River is a river in the Canadian province of Alberta. It is a tributary of the South Saskatchewan River, and is considered the headwater of the Nelson River....

 and Oldman River
Oldman River
The Oldman River is a river in southern Alberta, Canada. It flows roughly west to east from the Rocky Mountains, through the communities of Fort Macleod, Lethbridge, Taber, and on to Grassy Lake, where it joins with the Bow River to form the South Saskatchewan River, which eventually drains into...

s near Grassy Lake, Alberta
Grassy Lake, Alberta
Grassy Lake is a hamlet in Alberta, Canada within the Municipal District of Taber. It is located on the Crowsnest Highway , between Burdett and Taber. It has an elevation of ....

. The waters of these two rivers, in turn, originate from glacier
Glacier
A glacier is a large persistent body of ice that forms where the accumulation of snow exceeds its ablation over many years, often centuries. At least 0.1 km² in area and 50 m thick, but often much larger, a glacier slowly deforms and flows due to stresses induced by its weight...

s in the Rocky Mountains
Rocky Mountains
The Rocky Mountains are a major mountain range in western North America. The Rocky Mountains stretch more than from the northernmost part of British Columbia, in western Canada, to New Mexico, in the southwestern United States...

 near the British Columbia
British Columbia
British Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...

 border. The Red Deer River
Red Deer River
The Red Deer River is a river in Alberta, Canada. It is a major tributary of the South Saskatchewan River.Red Deer River has a total length of and a drainage area of...

 is a major tributary
Tributary
A tributary or affluent is a stream or river that flows into a main stem river or a lake. A tributary does not flow directly into a sea or ocean...

 of the South Saskatchewan merging 16 kilometres (9.9 mi) east of the Alberta-Saskatchewan border. The Lake Diefenbaker
Lake Diefenbaker
Lake Diefenbaker is a reservoir in Southern Saskatchewan, Canada. It was formed by the construction of Gardiner Dam and the Qu'Appelle River Dam across the South Saskatchewan and Qu'Appelle Rivers respectively. Construction began in 1959 and the lake was filled in 1967. The lake is long with...

 reservoir was created with the construction of the Gardiner
Gardiner Dam
The Gardiner Dam on the South Saskatchewan River in Saskatchewan is the largest embankment dam in Canada and one of the largest embankment dams in the world...

 and Qu'Appelle River
Qu'Appelle River Dam
The Qu'appelle River Dam is the smaller of two embankment dams: which created Lake Diefenbaker in Saskatchewan, Canada. The larger dam is Gardiner Dam, the biggest embankment dam in Canada and one of the biggest in the world. Construction of both dams began in the 1959 and was completed in 1967...

 dam
Dam
A dam is a barrier that impounds water or underground streams. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees are used to manage or prevent water flow into specific land regions. Hydropower and pumped-storage hydroelectricity are...

s in Saskatchewan
Saskatchewan
Saskatchewan is a prairie province in Canada, which has an area of . Saskatchewan is bordered on the west by Alberta, on the north by the Northwest Territories, on the east by Manitoba, and on the south by the U.S. states of Montana and North Dakota....

. Water from the South Saskatchewan flowing through the dams provides much of the electricity in the province.

Downstream from the dam the river flows north through Saskatoon and joins the North Saskatchewan River
North Saskatchewan River
The North Saskatchewan River is a glacier-fed river that flows east from the Canadian Rockies to central Saskatchewan. It is one of two major rivers that join to make up the Saskatchewan River....

 east of Prince Albert
Prince Albert, Saskatchewan
Prince Albert is the third-largest city in Saskatchewan, Canada. It is situated in the centre of the province on the banks of the North Saskatchewan River. The city is known as the "Gateway to the North" because it is the last major centre along the route to the resources of northern Saskatchewan...

 at the Saskatchewan River Forks
Saskatchewan River Forks
Saskatchewan River Forks refers to the area in Canada where the North Saskatchewan and South Saskatchewan rivers merge to create the Saskatchewan River...

 — thus forming the Saskatchewan River
Saskatchewan River
The Saskatchewan River is a major river in Canada, approximately long, flowing roughly eastward across Saskatchewan and Manitoba to empty into Lake Winnipeg...

. For approximately 60 km near Saskatoon, the Meewasin Valley Authority
Meewasin Valley Authority
The Meewasin Valley Authority is a conservation organization created by the Provincial Government of Saskatchewan in Canada and is dedicated to conserving the cultural and natural resources of the South Saskatchewan River Valley. The authorities activities include education, development and...

 is responsible for conservation of the river environment. Numerous lakes in the Saskatoon area were formed by oxbows
Oxbow lake
An oxbow lake is a U-shaped body of water formed when a wide meander from the main stem of a river is cut off to create a lake. This landform is called an oxbow lake for the distinctive curved shape, named after part of a yoke for oxen. In Australia, an oxbow lake is called a billabong, derived...

 of the South Saskatchewan River, most notably Moon Lake and Pike Lake
Pike Lake Provincial Park
Pike Lake Provincial Park is a primarily recreational park located approximately 32 km southwest of Saskatoon, Saskatchewan. It is located at the southern terminus of Highway 60 on the shore of Pike Lake, an oxbow created by the South Saskatchewan River...

.

A study which analysed the river flow on ten major Canadian rivers has reported that the South Saskatchewan River is the most at risk. Climate change, agricultural and urban infrastructure water use, and dams
Gardiner Dam
The Gardiner Dam on the South Saskatchewan River in Saskatchewan is the largest embankment dam in Canada and one of the largest embankment dams in the world...

 producing hydroelectricity
Hydroelectricity
Hydroelectricity is the term referring to electricity generated by hydropower; the production of electrical power through the use of the gravitational force of falling or flowing water. It is the most widely used form of renewable energy...

, have all combined to reduce the flow of the South Saskatchewan River by 70%. Developers and governments have been cautioned to protect and restore the river with sustainable projects and limit water diversion. Dickson Dam regulates water supply downstream on the Red Deer River; the Bassano Dam and 11 other dams divert water on the Bow River and in the Bow River basin; and the Oldman River Dam and Waterton-St. Mary Headworks System manage water flow downstream of the Oldman River. The proposed Meridian dam 30 kilometres (18.6 mi) west of Leader
Leader, Saskatchewan
Leader is a town in southwestern Saskatchewan, Canada, located approximately 350 km directly east of Calgary, Alberta and is near the border between Saskatchewan and Alberta. It has a population of 881 as of 2006.-History:...

 and 95 kilometres (59 mi) north east of Medicine Hat
Medicine Hat, Alberta
Medicine Hat, known to locals as "The Hat", is a city of 61,097 people located in the southeastern part of the province of Alberta, Canada. It is enclaved within Cypress County along with the nearby Town of Redcliff, although neither is part of the county....

 was cancelled due to project costs outweighing the irrigation benefits.
The South Saskatchewan River (French: rivière Saskatchewan Sud) is a major river in Canada
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

 that flows through the provinces of Alberta
Alberta
Alberta is a province of Canada. It had an estimated population of 3.7 million in 2010 making it the most populous of Canada's three prairie provinces...

 and Saskatchewan
Saskatchewan
Saskatchewan is a prairie province in Canada, which has an area of . Saskatchewan is bordered on the west by Alberta, on the north by the Northwest Territories, on the east by Manitoba, and on the south by the U.S. states of Montana and North Dakota....

.

For the first half of the 20th century, the South Saskatchewan would completely freeze over during winter, creating spectacular ice breaks and dangerous conditions in Saskatoon, Medicine Hat
Medicine Hat, Alberta
Medicine Hat, known to locals as "The Hat", is a city of 61,097 people located in the southeastern part of the province of Alberta, Canada. It is enclaved within Cypress County along with the nearby Town of Redcliff, although neither is part of the county....

 and elsewhere. At least one bridge in Saskatoon was destroyed by ice carried by the river. The construction of the Gardiner Dam
Gardiner Dam
The Gardiner Dam on the South Saskatchewan River in Saskatchewan is the largest embankment dam in Canada and one of the largest embankment dams in the world...

 in the 1960s, however, lessened the power of the river by diverting a substantial portion of the South Saskatchewan's natural flow into the Qu'Appelle River
Qu'Appelle River
The Qu'Appelle River is a Canadian river that flows 430 km east from Lake Diefenbaker in southwestern Saskatchewan to join the Assiniboine River in Manitoba, just south of Lake of the Prairies, near the village of St. Lazare....

. By the 1980s many permanent sandbars had formed due to the lowering of the level of the river.

From the headwaters of the Bow River
Bow River
The Bow River is a river in the Canadian province of Alberta. It is a tributary of the South Saskatchewan River, and is considered the headwater of the Nelson River....

, the South Saskatchewan flows for 1392 kilometres (865 mi). At its mouth at Saskatchewan River Forks
Saskatchewan River Forks
Saskatchewan River Forks refers to the area in Canada where the North Saskatchewan and South Saskatchewan rivers merge to create the Saskatchewan River...

, it has an average discharge of 280 m³/s, and has a watershed of 146100 square kilometre, 1,800 of which are in Montana
Montana
Montana is a state in the Western United States. The western third of Montana contains numerous mountain ranges. Smaller, "island ranges" are found in the central third of the state, for a total of 77 named ranges of the Rocky Mountains. This geographical fact is reflected in the state's name,...

 in the USA, and 144300 square kilometre in Alberta and Saskatchewan.
(Webpage shows that the South Saskatchewan River has a much higher flow than the Saskatchewan River. But since the South is a tributary of the Saskatchewan River, it must be assumed that the data is reversed.)

Course

The river originates at the confluence of the Bow
Bow River
The Bow River is a river in the Canadian province of Alberta. It is a tributary of the South Saskatchewan River, and is considered the headwater of the Nelson River....

 and Oldman River
Oldman River
The Oldman River is a river in southern Alberta, Canada. It flows roughly west to east from the Rocky Mountains, through the communities of Fort Macleod, Lethbridge, Taber, and on to Grassy Lake, where it joins with the Bow River to form the South Saskatchewan River, which eventually drains into...

s near Grassy Lake, Alberta
Grassy Lake, Alberta
Grassy Lake is a hamlet in Alberta, Canada within the Municipal District of Taber. It is located on the Crowsnest Highway , between Burdett and Taber. It has an elevation of ....

. The waters of these two rivers, in turn, originate from glacier
Glacier
A glacier is a large persistent body of ice that forms where the accumulation of snow exceeds its ablation over many years, often centuries. At least 0.1 km² in area and 50 m thick, but often much larger, a glacier slowly deforms and flows due to stresses induced by its weight...

s in the Rocky Mountains
Rocky Mountains
The Rocky Mountains are a major mountain range in western North America. The Rocky Mountains stretch more than from the northernmost part of British Columbia, in western Canada, to New Mexico, in the southwestern United States...

 near the British Columbia
British Columbia
British Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...

 border. The Red Deer River
Red Deer River
The Red Deer River is a river in Alberta, Canada. It is a major tributary of the South Saskatchewan River.Red Deer River has a total length of and a drainage area of...

 is a major tributary
Tributary
A tributary or affluent is a stream or river that flows into a main stem river or a lake. A tributary does not flow directly into a sea or ocean...

 of the South Saskatchewan merging 16 kilometres (9.9 mi) east of the Alberta-Saskatchewan border. The Lake Diefenbaker
Lake Diefenbaker
Lake Diefenbaker is a reservoir in Southern Saskatchewan, Canada. It was formed by the construction of Gardiner Dam and the Qu'Appelle River Dam across the South Saskatchewan and Qu'Appelle Rivers respectively. Construction began in 1959 and the lake was filled in 1967. The lake is long with...

 reservoir was created with the construction of the Gardiner
Gardiner Dam
The Gardiner Dam on the South Saskatchewan River in Saskatchewan is the largest embankment dam in Canada and one of the largest embankment dams in the world...

 and Qu'Appelle River
Qu'Appelle River Dam
The Qu'appelle River Dam is the smaller of two embankment dams: which created Lake Diefenbaker in Saskatchewan, Canada. The larger dam is Gardiner Dam, the biggest embankment dam in Canada and one of the biggest in the world. Construction of both dams began in the 1959 and was completed in 1967...

 dam
Dam
A dam is a barrier that impounds water or underground streams. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees are used to manage or prevent water flow into specific land regions. Hydropower and pumped-storage hydroelectricity are...

s in Saskatchewan
Saskatchewan
Saskatchewan is a prairie province in Canada, which has an area of . Saskatchewan is bordered on the west by Alberta, on the north by the Northwest Territories, on the east by Manitoba, and on the south by the U.S. states of Montana and North Dakota....

. Water from the South Saskatchewan flowing through the dams provides much of the electricity in the province.

Downstream from the dam the river flows north through Saskatoon and joins the North Saskatchewan River
North Saskatchewan River
The North Saskatchewan River is a glacier-fed river that flows east from the Canadian Rockies to central Saskatchewan. It is one of two major rivers that join to make up the Saskatchewan River....

 east of Prince Albert
Prince Albert, Saskatchewan
Prince Albert is the third-largest city in Saskatchewan, Canada. It is situated in the centre of the province on the banks of the North Saskatchewan River. The city is known as the "Gateway to the North" because it is the last major centre along the route to the resources of northern Saskatchewan...

 at the Saskatchewan River Forks
Saskatchewan River Forks
Saskatchewan River Forks refers to the area in Canada where the North Saskatchewan and South Saskatchewan rivers merge to create the Saskatchewan River...

 — thus forming the Saskatchewan River
Saskatchewan River
The Saskatchewan River is a major river in Canada, approximately long, flowing roughly eastward across Saskatchewan and Manitoba to empty into Lake Winnipeg...

. For approximately 60 km near Saskatoon, the Meewasin Valley Authority
Meewasin Valley Authority
The Meewasin Valley Authority is a conservation organization created by the Provincial Government of Saskatchewan in Canada and is dedicated to conserving the cultural and natural resources of the South Saskatchewan River Valley. The authorities activities include education, development and...

 is responsible for conservation of the river environment. Numerous lakes in the Saskatoon area were formed by oxbows
Oxbow lake
An oxbow lake is a U-shaped body of water formed when a wide meander from the main stem of a river is cut off to create a lake. This landform is called an oxbow lake for the distinctive curved shape, named after part of a yoke for oxen. In Australia, an oxbow lake is called a billabong, derived...

 of the South Saskatchewan River, most notably Moon Lake and Pike Lake
Pike Lake Provincial Park
Pike Lake Provincial Park is a primarily recreational park located approximately 32 km southwest of Saskatoon, Saskatchewan. It is located at the southern terminus of Highway 60 on the shore of Pike Lake, an oxbow created by the South Saskatchewan River...

.

A study which analysed the river flow on ten major Canadian rivers has reported that the South Saskatchewan River is the most at risk. Climate change, agricultural and urban infrastructure water use, and dams
Gardiner Dam
The Gardiner Dam on the South Saskatchewan River in Saskatchewan is the largest embankment dam in Canada and one of the largest embankment dams in the world...

 producing hydroelectricity
Hydroelectricity
Hydroelectricity is the term referring to electricity generated by hydropower; the production of electrical power through the use of the gravitational force of falling or flowing water. It is the most widely used form of renewable energy...

, have all combined to reduce the flow of the South Saskatchewan River by 70%. Developers and governments have been cautioned to protect and restore the river with sustainable projects and limit water diversion.
Dickson Dam regulates water supply downstream on the Red Deer River; the Bassano Dam and 11 other dams divert water on the Bow River and in the Bow River basin; and the Oldman River Dam and Waterton-St. Mary Headworks System manage water flow downstream of the Oldman River.
The proposed Meridian dam 30 kilometres (18.6 mi) west of Leader
Leader, Saskatchewan
Leader is a town in southwestern Saskatchewan, Canada, located approximately 350 km directly east of Calgary, Alberta and is near the border between Saskatchewan and Alberta. It has a population of 881 as of 2006.-History:...

 and 95 kilometres (59 mi) north east of Medicine Hat
Medicine Hat, Alberta
Medicine Hat, known to locals as "The Hat", is a city of 61,097 people located in the southeastern part of the province of Alberta, Canada. It is enclaved within Cypress County along with the nearby Town of Redcliff, although neither is part of the county....

 was cancelled due to project costs outweighing the irrigation benefits.
The South Saskatchewan River (French: rivière Saskatchewan Sud) is a major river in Canada
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...

 that flows through the provinces of Alberta
Alberta
Alberta is a province of Canada. It had an estimated population of 3.7 million in 2010 making it the most populous of Canada's three prairie provinces...

 and Saskatchewan
Saskatchewan
Saskatchewan is a prairie province in Canada, which has an area of . Saskatchewan is bordered on the west by Alberta, on the north by the Northwest Territories, on the east by Manitoba, and on the south by the U.S. states of Montana and North Dakota....

.

For the first half of the 20th century, the South Saskatchewan would completely freeze over during winter, creating spectacular ice breaks and dangerous conditions in Saskatoon, Medicine Hat
Medicine Hat, Alberta
Medicine Hat, known to locals as "The Hat", is a city of 61,097 people located in the southeastern part of the province of Alberta, Canada. It is enclaved within Cypress County along with the nearby Town of Redcliff, although neither is part of the county....

 and elsewhere. At least one bridge in Saskatoon was destroyed by ice carried by the river. The construction of the Gardiner Dam
Gardiner Dam
The Gardiner Dam on the South Saskatchewan River in Saskatchewan is the largest embankment dam in Canada and one of the largest embankment dams in the world...

 in the 1960s, however, lessened the power of the river by diverting a substantial portion of the South Saskatchewan's natural flow into the Qu'Appelle River
Qu'Appelle River
The Qu'Appelle River is a Canadian river that flows 430 km east from Lake Diefenbaker in southwestern Saskatchewan to join the Assiniboine River in Manitoba, just south of Lake of the Prairies, near the village of St. Lazare....

. By the 1980s many permanent sandbars had formed due to the lowering of the level of the river.

From the headwaters of the Bow River
Bow River
The Bow River is a river in the Canadian province of Alberta. It is a tributary of the South Saskatchewan River, and is considered the headwater of the Nelson River....

, the South Saskatchewan flows for 1392 kilometres (865 mi). At its mouth at Saskatchewan River Forks
Saskatchewan River Forks
Saskatchewan River Forks refers to the area in Canada where the North Saskatchewan and South Saskatchewan rivers merge to create the Saskatchewan River...

, it has an average discharge of 280 m³/s, and has a watershed of 146100 square kilometre, 1,800 of which are in Montana
Montana
Montana is a state in the Western United States. The western third of Montana contains numerous mountain ranges. Smaller, "island ranges" are found in the central third of the state, for a total of 77 named ranges of the Rocky Mountains. This geographical fact is reflected in the state's name,...

 in the USA, and 144300 square kilometre in Alberta and Saskatchewan.
(Webpage shows that the South Saskatchewan River has a much higher flow than the Saskatchewan River. But since the South is a tributary of the Saskatchewan River, it must be assumed that the data is reversed.)

Course

The river originates at the confluence of the Bow
Bow River
The Bow River is a river in the Canadian province of Alberta. It is a tributary of the South Saskatchewan River, and is considered the headwater of the Nelson River....

 and Oldman River
Oldman River
The Oldman River is a river in southern Alberta, Canada. It flows roughly west to east from the Rocky Mountains, through the communities of Fort Macleod, Lethbridge, Taber, and on to Grassy Lake, where it joins with the Bow River to form the South Saskatchewan River, which eventually drains into...

s near Grassy Lake, Alberta
Grassy Lake, Alberta
Grassy Lake is a hamlet in Alberta, Canada within the Municipal District of Taber. It is located on the Crowsnest Highway , between Burdett and Taber. It has an elevation of ....

. The waters of these two rivers, in turn, originate from glacier
Glacier
A glacier is a large persistent body of ice that forms where the accumulation of snow exceeds its ablation over many years, often centuries. At least 0.1 km² in area and 50 m thick, but often much larger, a glacier slowly deforms and flows due to stresses induced by its weight...

s in the Rocky Mountains
Rocky Mountains
The Rocky Mountains are a major mountain range in western North America. The Rocky Mountains stretch more than from the northernmost part of British Columbia, in western Canada, to New Mexico, in the southwestern United States...

 near the British Columbia
British Columbia
British Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...

 border. The Red Deer River
Red Deer River
The Red Deer River is a river in Alberta, Canada. It is a major tributary of the South Saskatchewan River.Red Deer River has a total length of and a drainage area of...

 is a major tributary
Tributary
A tributary or affluent is a stream or river that flows into a main stem river or a lake. A tributary does not flow directly into a sea or ocean...

 of the South Saskatchewan merging 16 kilometres (9.9 mi) east of the Alberta-Saskatchewan border. The Lake Diefenbaker
Lake Diefenbaker
Lake Diefenbaker is a reservoir in Southern Saskatchewan, Canada. It was formed by the construction of Gardiner Dam and the Qu'Appelle River Dam across the South Saskatchewan and Qu'Appelle Rivers respectively. Construction began in 1959 and the lake was filled in 1967. The lake is long with...

 reservoir was created with the construction of the Gardiner
Gardiner Dam
The Gardiner Dam on the South Saskatchewan River in Saskatchewan is the largest embankment dam in Canada and one of the largest embankment dams in the world...

 and Qu'Appelle River
Qu'Appelle River Dam
The Qu'appelle River Dam is the smaller of two embankment dams: which created Lake Diefenbaker in Saskatchewan, Canada. The larger dam is Gardiner Dam, the biggest embankment dam in Canada and one of the biggest in the world. Construction of both dams began in the 1959 and was completed in 1967...

 dam
Dam
A dam is a barrier that impounds water or underground streams. Dams generally serve the primary purpose of retaining water, while other structures such as floodgates or levees are used to manage or prevent water flow into specific land regions. Hydropower and pumped-storage hydroelectricity are...

s in Saskatchewan
Saskatchewan
Saskatchewan is a prairie province in Canada, which has an area of . Saskatchewan is bordered on the west by Alberta, on the north by the Northwest Territories, on the east by Manitoba, and on the south by the U.S. states of Montana and North Dakota....

. Water from the South Saskatchewan flowing through the dams provides much of the electricity in the province.

Downstream from the dam the river flows north through Saskatoon and joins the North Saskatchewan River
North Saskatchewan River
The North Saskatchewan River is a glacier-fed river that flows east from the Canadian Rockies to central Saskatchewan. It is one of two major rivers that join to make up the Saskatchewan River....

 east of Prince Albert
Prince Albert, Saskatchewan
Prince Albert is the third-largest city in Saskatchewan, Canada. It is situated in the centre of the province on the banks of the North Saskatchewan River. The city is known as the "Gateway to the North" because it is the last major centre along the route to the resources of northern Saskatchewan...

 at the Saskatchewan River Forks
Saskatchewan River Forks
Saskatchewan River Forks refers to the area in Canada where the North Saskatchewan and South Saskatchewan rivers merge to create the Saskatchewan River...

 — thus forming the Saskatchewan River
Saskatchewan River
The Saskatchewan River is a major river in Canada, approximately long, flowing roughly eastward across Saskatchewan and Manitoba to empty into Lake Winnipeg...

. For approximately 60 km near Saskatoon, the Meewasin Valley Authority
Meewasin Valley Authority
The Meewasin Valley Authority is a conservation organization created by the Provincial Government of Saskatchewan in Canada and is dedicated to conserving the cultural and natural resources of the South Saskatchewan River Valley. The authorities activities include education, development and...

 is responsible for conservation of the river environment. Numerous lakes in the Saskatoon area were formed by oxbows
Oxbow lake
An oxbow lake is a U-shaped body of water formed when a wide meander from the main stem of a river is cut off to create a lake. This landform is called an oxbow lake for the distinctive curved shape, named after part of a yoke for oxen. In Australia, an oxbow lake is called a billabong, derived...

 of the South Saskatchewan River, most notably Moon Lake and Pike Lake
Pike Lake Provincial Park
Pike Lake Provincial Park is a primarily recreational park located approximately 32 km southwest of Saskatoon, Saskatchewan. It is located at the southern terminus of Highway 60 on the shore of Pike Lake, an oxbow created by the South Saskatchewan River...

.

A study which analysed the river flow on ten major Canadian rivers has reported that the South Saskatchewan River is the most at risk. Climate change, agricultural and urban infrastructure water use, and dams
Gardiner Dam
The Gardiner Dam on the South Saskatchewan River in Saskatchewan is the largest embankment dam in Canada and one of the largest embankment dams in the world...

 producing hydroelectricity
Hydroelectricity
Hydroelectricity is the term referring to electricity generated by hydropower; the production of electrical power through the use of the gravitational force of falling or flowing water. It is the most widely used form of renewable energy...

, have all combined to reduce the flow of the South Saskatchewan River by 70%. Developers and governments have been cautioned to protect and restore the river with sustainable projects and limit water diversion.
Dickson Dam regulates water supply downstream on the Red Deer River; the Bassano Dam and 11 other dams divert water on the Bow River and in the Bow River basin; and the Oldman River Dam and Waterton-St. Mary Headworks System manage water flow downstream of the Oldman River.
The proposed Meridian dam 30 kilometres (18.6 mi) west of Leader
Leader, Saskatchewan
Leader is a town in southwestern Saskatchewan, Canada, located approximately 350 km directly east of Calgary, Alberta and is near the border between Saskatchewan and Alberta. It has a population of 881 as of 2006.-History:...

 and 95 kilometres (59 mi) north east of Medicine Hat
Medicine Hat, Alberta
Medicine Hat, known to locals as "The Hat", is a city of 61,097 people located in the southeastern part of the province of Alberta, Canada. It is enclaved within Cypress County along with the nearby Town of Redcliff, although neither is part of the county....

 was cancelled due to project costs outweighing the irrigation benefits.


Tributaries

  • Bow River
    Bow River
    The Bow River is a river in the Canadian province of Alberta. It is a tributary of the South Saskatchewan River, and is considered the headwater of the Nelson River....

  • Oldman River
    Oldman River
    The Oldman River is a river in southern Alberta, Canada. It flows roughly west to east from the Rocky Mountains, through the communities of Fort Macleod, Lethbridge, Taber, and on to Grassy Lake, where it joins with the Bow River to form the South Saskatchewan River, which eventually drains into...

  • Seven Persons Creek
  • Red Deer River
    Red Deer River
    The Red Deer River is a river in Alberta, Canada. It is a major tributary of the South Saskatchewan River.Red Deer River has a total length of and a drainage area of...

  • Teepee Creek
  • Landing Creek
  • Smith Creek
  • Valentine Creek
  • Pine Lake Creek
  • Brightwater Creek
  • Beaver Creek (Saskatchewan)
  • Fish Creek (Saskatchewan)
  • Swift Current Creek (Saskatchewan)

Islands

Partial list
  • McLean Island
    McLean Island (Saskatchewan)
    McLean Island is a small island in the South Saskatchewan River north of the Estuary ghost town in Saskatchewan, Canada. The island is just west of the Estuary Ferry....

  • Wilson Island (Saskatchewan)
    Wilson Island (Saskatchewan)
    Wilson Island is a small island in the South Saskatchewan River south of the city of Saskatoon, Saskatchewan, Canada. This island is protected by the Meewasin Valley Authority...

  • Yorath Island
    Yorath Island
    Yorath Island is a small island, in size, in the South Saskatchewan River just outside the southern boundaries of the city of Saskatoon, Saskatchewan, Canada. The island is relatively new, and did not exist when the land was first surveyed in 1903...


Fish species

Fish
Fish
Fish are a paraphyletic group of organisms that consist of all gill-bearing aquatic vertebrate animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups...

 species include walleye
Walleye
Walleye is a freshwater perciform fish native to most of Canada and to the northern United States. It is a North American close relative of the European pikeperch...

, sauger
Sauger
The sauger is a freshwater perciform fish of the family Percidae which resembles its close relative the walleye. They are members of the largest vertebrate order, Perciforms. They are the most migratory percid species in North America. Saugers obtain two dorsal fins, the first is spiny and the...

, yellow perch
Yellow perch
The yellow perch is a species of perch found in the United States and Canada, where it is often referred to by the shortform perch. Yellow perch look similar to the European perch, but are paler and more yellowish, with less red in the fins. They have six to eight dark, vertical bars on their sides...

, northern pike
Northern Pike
The northern pike , is a species of carnivorous fish of the genus Esox...

, lake trout
Lake trout
Lake trout is a freshwater char living mainly in lakes in northern North America. Other names for it include mackinaw, lake char , touladi, togue, and grey trout. In Lake Superior, they can also be variously known as siscowet, paperbellies and leans...

, rainbow trout
Rainbow trout
The rainbow trout is a species of salmonid native to tributaries of the Pacific Ocean in Asia and North America. The steelhead is a sea run rainbow trout usually returning to freshwater to spawn after 2 to 3 years at sea. In other words, rainbow trout and steelhead trout are the same species....

, atlantic salmon
Atlantic salmon
The Atlantic salmon is a species of fish in the family Salmonidae, which is found in the northern Atlantic Ocean and in rivers that flow into the north Atlantic and the north Pacific....

, goldeye
Goldeye
The goldeye, Hiodon alosoides, is a species of fish in the mooneye family . It occurs from as far down the Mackenzie River as Aklavik in the north to Mississippi in the south, and from Alberta in the west to Ohio south of the Great Lakes, with an isolated population south of James Bay. It is...

, lake whitefish
Lake whitefish
The lake whitefish , also called the Sault whitefish or gizzard fish, is a species of freshwater whitefish from North America. Lake whitefish are found throughout much of Canada and parts of the northern United States, including all of the Great Lakes. A valuable commercial fish, they are also...

, cisco
Cisco (fish)
The ciscoes are salmonid fish of the genus Coregonus that differ from other members of the genus in having upper and lower jaws of approximately equal length and high gillraker counts...

, lake sturgeon
Lake sturgeon
The lake sturgeon is a North American temperate freshwater fish, one of about 20 species of sturgeon. Like other sturgeons, this species is an evolutionarily ancient bottomfeeder with a partly cartilaginous skeleton and skin bearing rows of bony plates...

, burbot
Burbot
The burbot is the only gadiform fish inhabiting freshwaters. It is also known as mariah, the lawyer, and eelpout. It is closely related to the marine common ling and the cusk...

, longnose sucker
Longnose sucker
The longnose sucker, Catostomus catostomus, is a freshwater species of fish inhabiting cold, clear waters in North America from northern USA to the top of the continent. In addition, it is one of two species of sucker to inhabit Asia, specifically the rivers of eastern Siberia...

, white sucker
White Sucker
The White Sucker is a bottom-feeding freshwater fish inhabiting North America from Labrador in the north to Georgia and New Mexico in the south. It is a long, round-bodied fish with a dark green, grey, copper, brown, or black back and sides and a light underbelly. When fullgrown, it is between 12...

 and shorthead redhorse
Shorthead redhorse
-Introduction:The Shorthead Redhorse is a wide-ranging species in North America that needs to be monitored throughout its range. The Shorthead Redhorse is native to central and eastern North America. However, its range has expanded to include areas like the Hudson estuary and Grayson County, Texas...

.

See also


External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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