Restoration Options with Map Labels
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Map LabelProject TypeLocationArea #DescriptionRationaleOpportunitiesConstraintsPreliminary work requiredKey PeopleResources
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1aOff-channel Habitat EnhancementPuntledge Side-channel 1Construct a side-channel through floodplain along right side of river across the bend between the Condensory Rd bridge and the Tsolum/Puntledge confluence.Potentially highly valuable rearing habitat, similar to that provided to coho along the condenser side-channel.Construct a side-channel across existing floodplain along low area where flood flows have already scoured a route and connect to river below Tsolum/Puntledge confluence.Unknown ownership of land, likely some private land issues and negotiations required. Constructed side-channels can be difficult to maintain, and are prone to plugging with materials. A side channel of this scale would have to have major engineering and design studies completed prior to any construction. DFO may not accept liability for the future maintenance of side channels. Possible low flow problems from splitting flow. Possible stranding issues in summer.Consultations with DFO, City of Courtenay, BC Hydro, K'omox First Nation, neighbouring landowners; clear identification of goals and objectives, design options, assessment of risks of project failure and potential impacts from changes. Hydrological and fish habitat survey. Fisheries and Oceans, City of Courtenay, K'omox First Nation, BC Hydro, landownersBC Hydro gauging information
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1bMainstem ComplexingCourtenay River Mainstem1Channel complexing along 200m of riffle/rapids in river below Tsolum/Puntledge confluence.This is a swift section of creek that could pose a velocity barrier to upstream migrating fish, and can flush downstream fry into saline waters at high tides and flows. Sampling in an eddy just below this section of river found coho, chum and pink fry mortalities and contusions and scale loss on live fish after a storm event. Reasons unknown but possible related to high velocities and lack of velocity refuge through this section.Create velocity refuge habitat through shoreline complexing, and benching with Carex spp..Access to this section with machinery difficult due to private property along left bank and natural impediments along left bank. Structures placed in mainstem may pose a trapping hazard to recreational boaters and tubers.Consultations, clear identification of goals and objectives, design options, assessment of risks of project failure and potential impacts from changes. Hydrological and fish habitat survey.DFO, landowners, City of Courtenay, BC Hydro; BC Hydro gauging information
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1cOff-channel Habitat EnhancementTsolum Relic Channel 1Clear out current channel to accommodate lower flowsOpportunity for creation of high value off-channel habitatAlready a channel there that is slowing infilling and heavily vegetatedConstraints to this project, especially low flows in the Tsolum, make this project low priority. Private land ownership, not enough flows from the Tsolum to feed this channel during low summer flows, current ecosystem is thriving, provides good chinook and coho fry rearing habitat near mouth where it meets the Courtenay River during high tides. Current aggradation processes may hinder constructed channel integrity. DFO previously considered this option and found that splitting flow of Tsolum River through this old channel may compromise mainstem Tsolum fish habitat during low flows.Consultations, clear identification of goals and objectives, design options, assessment of risks of project failure and potential impacts from changes. Hydrological and fish habitat survey.Fisheries and Oceans, Tsolum River Restoration Society, Ministry of Environment: Water Stewardship, Landowners affected by flow diversionJack Minard of TSSR; Mel Sheng, DFO
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1dShoreline Rehabilitation/Bank StabilizationCourtenay River: Left Bank1Concrete wall removal and re-contouring of channel banks, restoring them to provide greater ecological function. This section of river is highly channelized, providing little in the way for refuge from flows and predators.Natural engineering options are available so that flood risk is minimized while habitat values are maximized. Public space provides opportunities for access to do the works. Opportunities to educate public while works underway.Walkway and park facilities near the banks may be restrictive when re-grading channel banks. Downstream flooding concerns if project constricts channel beyond capacity. Concerns over bridge downstream and impacts to infrastructure from changes in channel hydraulics.Consultations, clear identification of goals and objectives, design options, assessment of risks of project failure and potential impacts from changes.Fisheries and Oceans, City of Courtenay
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1eCourtenay River: Right Bank1Removal of sheet piling and replacement with engineered options that provide more fish habitat. Section along Puntledge with sheet piling creates marginal conditions for fish migration and refuge. Seals use sheet piling to trap juvenile salmonids, including Puntledge summer chinook and prey on them. Removal of sheet piling and replacement with more natural habitat feature would provide increased fish habitat.Natural engineering options are available so that flood risk is minimized while habitat values are maximized. Private land along this section could make access and permissions a challenge. Building occurs close to shore, limiting bank stabilization options. Softer engineering options in channel may decrease capacity of channel to convey flood flows.Fisheries and Oceans, City of Courtenay, landowners
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