Fish Passage Site 20400215
Coordinates (dec. deg.): 61.18513°, -149.77287°
Legal Description: S013N003W26
Region: South Central
Road Name: Reflection Drive
Quad Name / ITM: Anchorage A-8
AWC Stream #: 247-50-10050-2040
Stream Name: Chester Creek South Fork
Site Comments: CHESTER CREEK WATERSHED
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Project Supervisor: Kim Clark, ADFG
— Anchorage, AK
Observers: Kim Clark, Michael Mazzacavallo
Overall Fish Passage Rating:
Step Pools: No
- Culvert sagging in middle
- Constriction ratio red
Comments: Culvert length was measured across road with laser. Not enough room to shoot within pipe. Upstream of inlet there is a build up of debris behind 4x4 posts. Stickleback observed upstream. Stickleback and juvenile coho observed downstream. Garbage in stream at site.
|ID: 1||Structure Type: Circular pipe (Corrugated steel)||Fish Passage Rating:|
Comments: outlet height of Pipe#1 is with rod gently on top of silt and muck. If rod is pushed through silt and muck, height is 2.1.
|ID: 2||Structure Type: Circular pipe (Corrugated plastic)||Fish Passage Rating:|
Comments: substrate throughout the pipe.
|Stream Width Type||Distance From
|Upstream ordinary high water||53.0||9.10|
|Upstream ordinary high water||61.0||7.30|
|Upstream ordinary high water||67.0||7.30|
|Road Elev (Road Surface)||101.25|
|D/S Grade Ctrl (Thalweg)||0.00||98.45|
|D/S Water Surface Elev||0.00||99.39|
|Outlet Culvert Top (Top of Pipe 2)||8.00||100.25|
|Outlet Invert (Pipe 2 outlet invert)||8.00||98.19|
|D/S Water Surface Elev (Outlet water surface Pipe 2)||8.00||99.41|
|Outlet Culvert Top (Top of Pipe 1)||8.00||100.00|
|Outlet Invert (Outlet invert Pipe 1)||8.00||98.04|
|D/S Water Surface Elev (Outlet water surface Pipe 1)||8.00||99.41|
|Inlet Culvert Top (Top of Pipe 1)||79.30||100.51|
|Inlet Culvert Invert (Inlet invert Pipe 1)||79.30||98.84|
|U/S Water Surface Elev (Inlet water surface Pipe 1)||79.30||99.47|
|Inlet Culvert Top (Top of Pipe 2)||81.01||98.86|
|Inlet Culvert Invert (Inlet invert Pipe 2)||81.01||98.86|
|U/S Water Surface Elev (Inlet water surface Pipe 2)||81.01||99.44|
|U/S Water Surface Elev||101.01||100.13|
|U/S Water Surface Elev||145.01||100.74|
- River distance is measured continuously throughout the survey reach along the thalweg of the stream.
- Measured from each end of the crossing along the thalweg of the stream.
Fish Sampling Efforts
No fish sampling occurred during this survey.
No fish observations occurred during this survey.
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