Mosquito Creek Watershed
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STREAM CHANNEL

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.
The upper watershed and some sections in the mid-watershed were not changed.

HYDROLOGY CONDITIONS
Debris Flow Control Debris Basin at Evergreen
Flood Control Channelization:
Rip rap installed, creeks straightened
(1980's)
Culverts:
Underground 850m culvert u/s Queens Road (GVRD 1960's)
Open 200m culvert Thain (CNV 1999) previously underground
Storm Water Catch basins and drains on streets carry surface runoff to outfalls at creek edges which drain into creeks

HYDROLOGY MANAGEMENT
ACTIVITIES IN WATERSHED
Slope and Erosion Control 19th Street east slope (CNV 1995)
u/s Westview culvert (CNV 1999)
Thain Creek Biotech slope (DNV 2000)
Low Level Bridge rip rap (CNV 1998)
Flow Gauge Water Survey of Canada:
Station No.1: 08GA049
Stream Mapping Features and Location:
GPS - all streams (DNV 1997)
Features:
measurements, photos - Mosquito Creek, Thain Creek (NSK/MCSS 1997)
Erosion Points:
photos - Mosquito, Wagg, Lower Mission, MacKay Creek (CNV 1998)