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If you have any questions on the information presented, or require additional report data or attachments, please contact the Report Contact
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LBIS# 11250-85_EN12TCF055
Forsite consultants was retained to complete fish passage culvert inspections throughout several watersheds around Chilliwack, BC; in total eight
watersheds were assessed. Each stream crossing structure was evaluated to determine fish
passage potential. The eight watersheds were tendered out in two groups of four:
Tender A: Wahleach Creek, Cogburn Creek, Tretheway Creek and Trio Creek.
Tender B: Bremner Creek, Statlu Creek, Bear Creek and Tipella Creek,
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Author: Forsite
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Date Published: Feb 2012
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Report ID: 42992
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Audience: Government and Public
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A total of 103 crossing structures were found to require inspection. Of those, sixty-one were
close bottomed structures (CBS), thirty-four were open bottomed structures (OBS), and 8 were
Other (i.e. Fords). 539 km of road were anticipated for inspection, and 547 km were available
including new smaller roads.
Group A included 47 CBS, 15 OBS, and 7 Others. The average fish passage score for CBS here
was 25, and all but one CBS structures required replacement or were potential barriers. The
average HGI for group A was 0.29, indicating very little additional habitat was available upstream
of the crossing locations.
Group B included 14 CBS, 18 OBS, and 1 Other. The average fish passage score was 28 on the
CBS in this group, and they all were scored as potential or total barriers to fish passage. The
average HGI for group B was 0.68, indicating little additional habitat was available upstream of
the crossing locations.
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Report Type
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Fish and Aquatic Habitat Information |
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Subject
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Region - Lower Mainland |
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Fish and Fish Habitat - Culvert Fish Passage |
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