Cougar Creek in Delta: Future Prospects

Cougar Creek has good potential for restored stream health and wild salmon runs.  Culverting is not extensive, native streamside vegetation is fairly abundant (especially in Cougar Canyon Environmental Reserve and bordering the Delta Nature Reserve), and there are many potential rearing areas where juvenile salmon can take shelter.

Torrential stormwater runoff during rain events, followed by low water levels during dry spells, are among the greatest challenges facing this and other urban/suburban creeks. Recognizing this problem, the Corporation of Delta has undertaken numerous infiltration drainage projects in the Cougar Creek Watershed and beyond.

The very popular Delta School Rain Garden Program is an important part of these initiatives, and brings together the efforts of Delta Engineering, Cougar Creek Streamkeepers and Delta School District staff & students. You can read more about these rain garden projects if you’re interested. 

Other serious challenges include pollution from storm drains, potential leaks from the Metro Vancouver sewage lines, leachate from the lumber yard, culverts and debris traps that discourage fish passage, lack of shade in some areas, and habitat damage from heavy pedestrian/dog/bicycle traffic (especially along the Northeast Interceptor).  The planned South Fraser Perimeter Road presents both challenges and opportunities for improving fish habitat and passage.

Miraculously, salmon, cutthroat trout and other fish continue to survive in Cougar Creek – enough to indicate that, with improved stormwater management and community education, this creek could become a showpiece for the integration of healthy fish populations in an urban/suburban fabric. 

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