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STREAM CHANNEL
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The original natural stream channel has been altered by flood control and engineering works.
The main channel has been straightened and the banks reinforced.
Catch basins and culverts were installed. The estuary was filled in.
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The upper watershed and some sections in the mid-watershed were not changed.
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Also see: Watershed Management - Stream Channel
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CHANNEL CONDITIONS
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| Debris Flow Control
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Debris Basin at Evergreen
- Mosquito Creek
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| Flood Control
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Channelization:
Rip rap installed, creeks straightened
(1980's)
Culverts:
Underground 850m culvert u/s Queens Road
- Mosquito Creek (GVRD 1960's)
Open 200m culvert previously underground
- Thain Creek (CNV 1999)
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| Storm Water
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| Catch basins and drains on streets carry surface runoff to outfalls at creek edges which drain into creeks.
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