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Lower Welland River Characterization Report - Niagara Peninsula ...

Lower Welland River Characterization Report - Niagara Peninsula ...

Lower

Lower Welland River Study Area Characterization Report Municipal Drains Under the Ontario Drainage Act (R.S.O. 1990, Chapter D.17) drainage works “include a drain constructed by any means, including the improving of a natural watercourse, and includes works necessary to regulate the water table or water level within or on any lands or to regulate the level of the waters of a drain, reservoir, lake or pond, and includes a dam, embankment, wall, protective works or any combination thereof.” Even though their purpose is to remove excess water from the land, municipal and agricultural drains do contain fish habitat. To better manage these drains, Fisheries and Oceans Canada has developed a classification system that identifies municipal drains as Types A through F using variables such as flow conditions, temperature, fish species present, and the length of time since the last clean out (Fisheries and Oceans Canada No Date). This classification system has been created for use by municipal drainage superintendents for the purpose of drain maintenance. There is roughly 7 kilometers of municipal drain present in the Lower Welland River study area; Allanport Drain in Thompsons Creek subwatershed (Figure 10). Approximately 4 kilometers is Class C and the remaining 3 kilometers is Class F. Class C drains have a permanent flow but with warm water temperatures and baitfish present in the drain. Class F drains are characterized by intermittent flow (Fisheries and Oceans Canada No Date). 36

Lower Welland River Study Area Characterization Report Figure 10: Municipal Drains 37

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