Aquatic System - Toronto and Region Conservation Authority

Table 8-3: : Management Recommendations for Priority Barriers in the Rouge River WatershedPriority FMZReach (ifapplicable)Strategic ExistingBarriers to Remainfor SpeciesPartitioningProposed Priority Barriers to beMitigated or RemovedProposed New Barriersfor Species Partitioningand AIS ManagementRationale1* 3 Large concrete dam upstreamof Stouffville Road should beremoved or bypass channelcreated2* 3 Large concrete dam on privateproperty between StouffvilleRd. and Bethesda Rd.Thermal impacts from topdraw dam;Barrier to fish movement(brook trout zone)Thermal impacts from topdraw dam; Barrier to fishmovement (brook troutzone)3* 3 Bruce's Mill Dam Barrier to fish movement(potential to extendredside dace habitat)4* 3 Low dam/weir u/s of Elgin MillsRd., W. of Kennedy5* 3 Old concrete dam u/s of ElginMills,east of KennedyBarrier to redside daceand non-jumping fishmovementBarrier to fish movement(redside dace zone)* The top 5 priority barriers, if removed would open a significant amount of upstream habitat (>500m). The condition of that habitat variesbetween sites but would provide incentive for enhancement, rehabilitation or restoration.6 4 KennedyTributaryLarge concrete dam south ofStouffville Rd. should beremoved, bypassed orconverted to bottom drawThermal impacts from topdraw dam; Barrier to fishmovement (redside dacezone)7 4 McCowanTributaryLarge concrete dam d/s of 19thshould be removed, bypassedor converted to bottom drawThermal impacts from topdraw dam; Barrier to fishmovement (brook troutzone)8-21