Fish Passage Site 20700877
Coordinates (dec. deg.): 57.76503°, -152.50283°
Legal Description: S028S020W10
Road Name: Tom Stiles Road
Quad Name / ITM: Kodiak D-2
AWC Stream #:
Stream Name: Lake Catherine outlet
Site Comments: Site is on the stream that connect upstream Lake Catherine to Lake Loiuse downstream.
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Project Supervisor: Kim Clark, ADFG
— Anchorage, AK
Observers: Kim Clark, Michael Mazzacavallo
Overall Fish Passage Rating:
Step Pools: No
Construction Year: 2019
Comments: 1 juvenile salmon observed in pipe near inlet. Revegetation looks good. Overflow pipe present. Dry tributary on left bank below outlet fed by storm drain across Pt Sherman Rd. Upstream stream gradient is 2.6% and downstream stream gradient is 0.57% per pre design surveys.
|ID: 1||Structure Type: Box culvert (Structural aluminum plate)||Fish Passage Rating:|
Comments: Culvert gradient measured as Top: 0.89%, Water surface 0.79%, Invert 0.44% Culvert dimensions per design are 19'5" x 6'11"
|Stream Width Type||Distance From
|Upstream ordinary high water||66.0||12.65|
|Upstream ordinary high water||89.0||13.61|
|Upstream ordinary high water||110.0||13.80|
|Upstream ordinary high water||155.0||14.90|
|D/S Thalweg (max pool depth)||0.00||92.79|
|D/S Water Surface Elev||0.00||93.93|
|D/S Thalweg (pool crest)||9.00||93.26|
|D/S Water Surface Elev||9.00||93.94|
|D/S Water Surface Elev||21.00||94.03|
|D/S Water Surface Elev||31.00||94.08|
|Outlet Culvert Top (on rib)||47.00||99.15|
|D/S Water Surface Elev||47.00||94.32|
|Inlet Culvert Top (on rib)||142.01||100.00|
|Inlet Culvert Invert||142.01||94.27|
|U/S Water Surface Elev||142.01||95.07|
|U/S Water Surface Elev||155.01||95.12|
|U/S Water Surface Elev||182.01||95.72|
|U/S Water Surface Elev||244.01||96.93|
|U/S Water Surface Elev||258.01||98.67|
- 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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