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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 Figure 17: Thompsons Creek 62

Lower Welland River Study Area Characterization Report Table 12: Lower Welland River Subwatershed Characteristics Attribute Description Comments Area 20.7 km 2 Land Use Mix of Residential, Rural Residential, Agriculture, Institutional, Light-medium Industrial, and Vacant lands Municipal Water and Sewer Yes Some of the rural areas in tributaries without municipal servicing Services Aquatic Resources Length of Watercourse Fish Habitat Municipal Drains Water Quality Groundwater Vulnerability 38.8 km Critical: Main Channel between Welland Canal and Power Canal Important: Between Power Canal and Niagara River N/A Station: WR010 Water Quality Index: Marginal BioMAP Rating: Sampling not conducted due to access restrictions Predominantly Low Groundwater Vulnerability with areas of medium vulnerability. In addition, pockets of high vulnerability to groundwater contamination are present Most of the smaller tributaries have not been evaluated in terms of importance for fish habitat. Water quality is improved at this site by direct mixing with backflow from the Niagara River as it is redirected up the Welland River as part of the hydroelectric operations. The Source Water Protection Program has identified a few areas posing a high vulnerability to groundwater contamination; these areas include transport pathways such as private wells (active and inactive), unknown status oil and gas wells Natural Heritage Resources Riparian Cover 19.1 EC recommends 75% with 30m buffer Upland Habitat 27.6 EC recommends 30% to support viable wildlife population Wetland Habitat 14.0 EC recommends 10% or to historic value Restoration Projects Completed to date Riparian Enhancement 2 projects:2009 1.Bioengineering for bank stabilization/erosion control 2.Demostration Project: Bi-O-Blocks for shoreline protection & buffer plantings Reforestation 1 project: 2002 In total 21,358 bareroot trees were planted. Restoration Opportunities: Recommended Actions for Public and Private Lands NPCA Water Quality Improvement Program Riparian •riparian habitat is currently significantly lower than EC recommendations (19.1%). 63

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