page_title: Montmorency River
section_title: Development and use
hierarchical_section_title: Montmorency River / Development and use
caption_attribution_description: Deutsch: Die Chuttes de Montmorency befinden sich auf dem Stadtgebiet von Québec direkt bei der Hängebrücke auf die Ile d'Orléans. Sie sind mit ca. 80 m deutlich höher als die Niagarafälle. English: Montmorency Falls
context_page_description: The Montmorency River is a tributary of North-East bank of St. Lawrence river, flowing in the administrative region of Capitale-Nationale, in the province of Quebec, Canada. Le course of the river successively crosses the regional county municipality of:
  MRC La Côte-de-Beaupré Regional County Municipality: Lac-Jacques-Cartier, Château-Richer, L'Ange-Gardien, Boischatel;
  MRC La Jacques-Cartier Regional County Municipality: Sainte-Brigitte-de-Laval
  Agglomération de Québec.
  It drains into the Saint Lawrence River, about 9 kilometres downstream from Quebec City. It is especially known for the impressive Montmorency Falls near its mouth.
  It has an average flow of 35.6 m³/s. Typical average summer flow is about 25 m³/s, whereas during spring run-off, the river could swell anywhere from 130 to 650 m³/s. Above 770 m³/s is considered an exceptional flood condition, and the Montmorency experienced a record flow of 1,100 m³/s in November 1966.
context_section_description: There are 48 dams in all on the Montmorency River and its tributaries. Of these, 14 are used to regulate water flow, five to provide drinking water, and only one is used exclusively for hydro-electric power generation. The Hydro-Québec power station at the Montmorency Falls is no longer in operation, but not far upstream is the Marches-Naturelles Hydro-electric Power Station. It has an installed capacity of 4.16 MW.
  All municipalities along its course rely on the Montmorency or tributaries for its drinking water supply. Only Sainte-Brigitte-de-Laval treats its waste waters before pumping it back into the Montmorency. Boischatel and Beauport put their waste water into the Saint Lawrence River. The municipalities of L’Ange-Gardien, Château-Richer, Lac-Beauport, Stoneham-et-Tewkesbury do not impact the water quality of the Montmorency since their population centres lie outside the rivers basin, and therefore the water quality is very good.
  A total of 76 bridges cross the Montmorency River. Of these, only 3 are public road bridges: Quebec Route 40, Avenue Royale between Beauport and Boischatel, and one at Enchanteresse Island.
caption: Montmorency Falls
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