Spring Freshet Series Video #2 Of the 30 water control structures along the Mississippi River watershed, MVCA operates 18; 11 of which they own and maintain. How those dams are managed is especially critical this time of year.
Frazil ice begins forming when turbulent, open water becomes super-cooled (i.e., water temperatures reach 0 degrees Celsius, or colder) normally when windchill drops below minus 18C. Frazil ice is characterized as fine particles of ice suspended in the flowing water and resembles slus
Understanding Carleton Place Dam Mississippi Lake, one of the largest inland lakes in south-eastern Ontario, is the last major lake on the river system and is found in the Townships Drummond/North Elmsley, Beckwith and Mississippi Mills. Mississippi Lake has two basins separated by a
Understanding Mississagagon Lake Dam Mississagagon Lake is a head water lake and is located on Swamp Creek, a small tributary of Buckshot Creek that connects with the Mississippi River at Mud Lake. Mississagagon Lake is located in the Township of North Frontenac, and has the least imp
Understanding Big Gull Lake Dam Big Gull Lake (a.k.a. Clarendon Lake) is a headwater lake, which flows into Crotch Lake through Gull Creek and is located in the Township of North Frontenac. Big Gull Lake Dam is a water control structure that is located at the outlet of Big Gull Lake.
Understanding Kashwakamak Lake Dam Located on the main channel of the Mississippi River, Kashwakamak Lake (a.k.a. Long Lake) is dominated by numerous inlets and shallow bays and is located in the Township of North Frontenac. The Mississippi River enters the west end of the lake from t
Understanding Mazinaw Lake Dam The Mazinaw Lake Dam is used for water control purposes and is located at the south end of Mazinaw Lake, which flows into Marble Lake. The Mazinaw Lake Dam is a concrete structure consisting of two sluices each containing seven 0.25 m x 0.30 m x 3.95 m
Get to Know Big Gull Lake Big Gull Lake is located in the Townships of Central and North Frontenac. It has an elevation of 253 metres above sea level and has an area of 24.2 square kilometres. The lake perimeter is approximately 176 kilometres and the deepest point is 26 metres. Big
Mississippi Valley Conservation Authority, waterpower producers and the Ontario Ministry of Natural Resources and Forestry (MNRF) completed a water management plan which establishes regulated water flows and levels for five waterpower facilities on the Mississippi River system. Missis
Water Control has a long history along the Mississippi River Water control structures were first constructed on the Mississippi River and its tributaries in the mid 1800s, predominantly for timber or grist mill purposes. Around the turn of the century many of these structures fell apa