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Lake Saint-Charles

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Lake in Quebec, Canada For places with similar names, see Lac-Saint-Charles (disambiguation).
Lake Saint-Charles
Lake Saint-Charles is located in Quebec CityLake Saint-CharlesLake Saint-Charles
LocationCapitale-Nationale, Quebec
Coordinates46°56′28″N 71°23′14″W / 46.94111°N 71.38722°W / 46.94111; -71.38722
TypeDam lake
Primary inflows(Sens horaire, à partir de l'embouchure) Ruisseau de la Courte Botte, ruisseau Talbot (via la Baie Charles-Talbot), décharge du Lac Delage, rivière des Hurons.
Primary outflowsSaint-Charles River
Catchment area167.7 km (64.7 sq mi)
Basin countriesCanada
Max. length5.5 km (2.1 sq mi)
Max. width1.2 km (0.46 sq mi)
Surface area3.6 km (1.4 sq mi)
Max. depth16.5 m (54 ft)
Water volume14,810,000 m (523,000,000 cu ft)
Surface elevation150.42 m (493.5 ft)
SettlementsQuebec City, Stoneham-et-Tewkesbury
References

Lake Saint-Charles (French: Lac Saint-Charles) is a lake located in the Capitale-Nationale region of Quebec, Canada. It is located partially within the Quebec City borough of La Haute-Saint-Charles (section West) and partially within the united township municipality of Stoneham-et-Tewkesbury (section East).

Lake Saint-Charles is the source of the Saint-Charles River. Located less than 20 minutes from downtown Quebec City, it is an important natural habitat to Quebec City area residents. Lac-Delage and the borough of Charlesbourg also administer a portion of its drainage basin.

Lac Saint-Charles is served on the east side mainly by the Grande Ligne road and on the west side by the Lac-Saint-Charles road for the needs of recreational tourism and forestry.

The surface of Lake Saint-Charles is generally frozen from the beginning of December to the end of March; safe circulation on the ice is generally done from the end of December to the beginning of March.

Geography

Bird's eye-view of the lake

The town of Quebec, by the borough of La Haute-Saint-Charles, and the united townships of Stoneham-et-Tewkesbury, are the municipalities bordering the lake. The Lac-Delage and the borough of Charlesbourg also administers part of its watershed.

The dam Cyrille-Delage raises the level of Lake Saint-Charles because it constitutes the reservoir for the water supply of the drinking water treatment plant in the city of Quebec. Erected at the exit of the lake in 1934, it was replaced in 1948 and the lake raised again. As a result of this dam, the surrounding lowlands were submerged over widths up to 50 metres (160 ft). Today, the lake level is higher than it was originally about 2 metres (6 ft 7 in). This impoundment therefore upset the physical and biological balance by modifying the morphometry of the lake, bringing a massive supply of sediment and periodically creating a significant deficit in oxygen over half of the water column. A new problem appeared at Lake Saint-Charles in the fall of 2006 when the presence of blue algae, or cyanobacteria, was detected. The causes of this phenomenon are currently being studied, but actions have already been taken to limit phosphorus supplies.

Lake Saint-Charles has good recreational tourism potential. Guided hikes in rabaska are offered to discover the lake and many people take advantage of it every year. The rental of boats (canoes, kayaks, rowboats, pedal boats) is also possible, whether for hiking or for fishing northern pike. In addition, a few sites near the lake have strong archaeological potential, notably in the Charles-Talbot bay sector.

The lake is the starting point of the Linear park of the Saint-Charles and Berger rivers.

Features

The Saint-Charles Lake circa 1800 by George Heriot.
Nature reserve of Marais-du-Nord.
  • Shape: Lake Saint-Charles has two pools (north and south) giving it a shape of "8"
  • Lake area: 3.6 square kilometres (1.4 sq mi)
  • Maximum length: 5.5 kilometres (3.4 mi) in a north–south axis
  • Maximum depth: 17.5 metres (57 ft) (in its northern basin)
  • Volume: 15 of cubic meters
  • Area of the watershed: 170 square kilometres (66 sq mi)

Tributaries

See also

External links

  • Site of Agiro, formerly of the Association for the Protection of the Environment of Lake Saint-Charles and the Northern Marshes (APEL)
  • Brodeur, C., F. Lewis, E. Huet-Alegre, Y. Ksouri, M.-C. Leclerc and D. Viens. 2007. Portrait of the Saint-Charles river basin. Saint-Charles river basin council. 216 p + 9 annexes 217-340 pp
  • Nautical Club of Lac-Saint-Charles website

References

  1. "Le lac Saint-Charles". Association pour la protection de l’environnement du lac Saint-Charles et des Marais du Nord (APEL). Retrieved 21 September 2013.
  2. Open Street Map - Accessed on February 15, 2020
  3. Town hall of the city of Québec (2008). "Eau" (in French). Archived from the original on 11 May 2009. Retrieved 18 August 2018..
  4. "nautical Club of Saint-Charles Lake". Archived from the original on 2014-06-25. Retrieved 2020-02-15.
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