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Fish can access Thain Creek from its confluence at Mosquito Creek up to Windsor. Culverts and a catch basin block further passage.
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Above Windsor, Thain Creek and Upper Mission Creek have not been accessible to salmon for several decades.
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Downstream, long sections of the creek between Queens Road and Windsor, between Westview and Queens, and south of Westview, were also not available to fish for many years.
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However, salmon access to stream habitat was improved dramatically in 1999 and 2003 when culverts at Westview and Queens were altered.
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- Queens Road Culvert Adjustment Project ---- main stream
District of North Vancouver
2003
Voluntary
Up until 2003, spawning salmon could not go past the Queens Road culvert.
The District of North Vancouver could have waited until it was time to replace the culvert, but that may have meant another ten or more years. Instead, a fish ladder and fish baffles were installed in the existing structure.
Spawners now have access up to the Windsor culvert. Habitat in this section of stream is of good quality.
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- Thain Creek Culvert Replacement Project ---- main stream
City of North Vancouver
1999
Voluntary
From 1958 to 1999, the most formidable barrier for salmon was the 200 metre (650 feet) Thain Creek culvert at Westview.
It was discouraging to see spawners wasted in trying to get upstream, over the years. No more.
There is now a fish passable short culvert under Westview Drive and a new open stream channel, providing access upstream.
The project, located in and undertaken by the City of North Vancouver, was completed in October 1999 and will become more fish friendly as streamside vegetation grows in.
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Thain Channel Construction - September 1999
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Thain Creek Open Channel - October 1999
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Thain Creek Open Channel - September 2000
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Thain Creek Open Channel - September 2000
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