Mactaquac Dam, Fredericton

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The Mactaquac Dam is an embankment dam used to generate hydroelectricity in Mactaquac, New Brunswick. It dams the waters of the Saint John River and is operated by NB Power with a capacity to generate 670 megawatts of electricity from 6 turbines; this represents 20 percent of New Brunswick's power demand.LocationFormally called the Mactaquac Generating Station, the dam and power house are located approximately 19km upstream from the city of Fredericton. The dam is an embankment dam consisting of a rock-fill structure sealed by clay. It combines with two concrete spill-ways to form an arch across a narrow section of the river between the communities of Kingsclear on the west bank, and Keswick Ridge on the east bank.ConstructionRising 40 metres in height above the river level, the reservoir covers 87 square kilometres and extends 96 kilometres upstream, near Woodstock. The dam and powerhouse are a "run of the river" design, meaning that the reservoir has no additional holding capacity in the event of unusually high water flows, such as during the spring freshet.Kingsclear, NB is also the site of an Atlantic Salmon fish hatchery, located immediately downstream from the dam. The Mactaquac Dam also has a fishway to catch salmon and transport them upriver.
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  • Having enjoyed a visit many, many years ago with our daughters when they were young we looked forward to our return. The St. John's River never disappoints, tumbling down the spillway and creating a m...  more »
  • I went there to see the view, and that was what I got, nothing more than that. If you never saw a Dam, it is a good call. Otherwise, just pass by.  more »
  • i am getting up in age and have visited macaquac many times love area awesome dam but has both lanes ever been open .is this a make work long year project  more »
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21 days in New Brunswick BY A USER FROM CANADA June, historic sites, popular PREFERENCES: June, historic sites ATTRACTION STYLE: Popular PACE: Medium 25 days in New Brunswick BY A USER FROM UNITED KINGDOM September, popular PREFERENCES: September ATTRACTION STYLE: Popular PACE: Medium 59 days in New Brunswick BY A USER FROM CANADA June, culture, outdoors, relaxing, romantic, beaches, historic sites, museums, shopping, wildlife, popular PREFERENCES: June, culture, outdoors, relaxing, romantic, beaches, historic sites, museums, shopping, wildlife ATTRACTION STYLE: Popular PACE: Medium 31 days in New Brunswick BY A USER FROM ISRAEL May, relaxing, popular PREFERENCES: May, relaxing ATTRACTION STYLE: Popular PACE: Medium 37 days in New Brunswick BY A USER FROM CANADA April, culture, beaches, popular PREFERENCES: April, culture, beaches ATTRACTION STYLE: Popular PACE: Medium 31 days in New Brunswick BY A USER FROM CANADA August, popular PREFERENCES: August ATTRACTION STYLE: Popular PACE: Medium 19 days in Fredericton BY A USER FROM AUSTRALIA May, culture, outdoors, historic sites, wildlife, fast-paced, popular PREFERENCES: May, culture, outdoors, historic sites, wildlife ATTRACTION STYLE: Popular PACE: Fast-paced 14 days in Fredericton BY A USER FROM CANADA June, outdoors, beaches, historic sites, popular PREFERENCES: June, outdoors, beaches, historic sites ATTRACTION STYLE: Popular PACE: Medium 35 days in Fredericton BY A USER FROM CANADA September, culture, outdoors, romantic, beaches, wildlife, fast-paced, hidden gems PREFERENCES: September, culture, outdoors, romantic, beaches, wildlife ATTRACTION STYLE: Hidden gems PACE: Fast-paced 1 day in Fredericton BY A USER FROM CANADA September, popular PREFERENCES: September ATTRACTION STYLE: Popular PACE: Medium 15 days in New Brunswick BY A USER FROM CANADA September, culture, outdoors, relaxing, romantic, beaches, historic sites, museums, wildlife, popular PREFERENCES: September, culture, outdoors, relaxing, romantic, beaches, historic sites, museums, wildlife ATTRACTION STYLE: Popular PACE: Medium 1 day in Mactaquac BY A USER FROM CANADA August, beaches, popular PREFERENCES: August, beaches ATTRACTION STYLE: Popular PACE: Medium
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