Fish Passage Site 20103767

Coordinates (dec. deg.): 61.40504°, -143.00044°
Legal Description: C005S013E25
Region: South Central
Road Name: Kennicott River Airstrip Road

Datum: NAD83
Quad Name / ITM: Mc Carthy B-6
AWC Stream #:
Stream Name: Swift Creek

Elevation:

Site Comments: DOT ID: 64336

Survey Date: Jul 21, 2017

Survey CRWP17-Ken3

Observers: Kirsti Jurica, Hoots Witsoe

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Constriction ratio gray
  2. Culvert gradient gray
  3. Outfall height red

Comments: Road built up at crossing. Numerous juvenile Dolly Varden char caught upstream and downstream.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 29.0
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.75
Condition Rating(1-5): 4
Approach Angle: 10.0
Sedimentation At Inlet: Yes
Inlet Substrate: Gravel
Outlet Substrate: Gravel
InletOutlet
Width(ft):5.45 5.1
Height(ft):5.06 4.4
Apron Length(ft):
Water Depth(ft): 1.13
Rustline Height(ft):1.5
Substrate Depth(ft):0.2 0.4
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.4
Outfall Type: Cascade Over Rip-Rap
Constriction Ratio: 0.5
Culvert Gradient: 1.28%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert gradient gray
  2. Constriction ratio gray
  3. Outfall height red

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelGravel
Subdominant:SandSand
Stream Slope(deg.):1.5
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 12.10
Downstream ordinary high water 8.80
Downstream ordinary high water 11.80
Upstream ordinary high water 11.90
Upstream ordinary high water 9.10
Upstream ordinary high water 11.80

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 101.38
D/S Water Surface Elev 0.00 95.71
D/S Grade Ctrl (Thalweg) 0.00 94.81
D/S Water Surface Elev 30.00 95.74
D/S Tailcrest or 1st Thalweg 30.00 94.10
Outlet Pool Water Elev 42.00 95.96
Max Pool Depth 42.00 95.18
Outlet Invert (on substrate) 46.00 95.23
D/S Water Surface Elev 46.00 96.36
Outlet Culvert Top 46.00 99.63
Inlet Culvert Top 75.00 100.00
U/S Water Surface Elev 75.00 96.37
Inlet Culvert Invert (on substrate) 75.00 94.94
U/S Grade Ctrl (Thalweg) 89.00 95.47
U/S Water Surface Elev 89.00 96.47
U/S Water Surface Elev 132.00 96.69
U/S Grade Ctrl (Thalweg) 132.00 95.74

Notes:

  1. River distance is measured continuously throughout the survey reach along the thalweg of the stream.
  2. Measured from each end of the crossing along the thalweg of the stream.

Fish Sampling Efforts

Gear Type: Minnow Trap (A) Trap Duration(h): 22.0
 
Gear Type: Minnow Trap (B) Trap Duration(h): 22.0
 
Gear Type: Minnow Trap (C) Trap Duration(h): 22.0
Comments: No fish caught
 
Gear Type: Minnow Trap (D) Trap Duration(h): 22.0
 
Gear Type: Minnow Trap (E) Trap Duration(h): 22.0
 
Gear Type: Minnow Trap (F) Trap Duration(h): 22.0

Fish Observations

Species: juvenile coho salmon Life History: Anadromous
Total Fish Observed: 3 Fish Measured: 3 Fork Lengths (mm) Min: 50 Max: 65 Mean: 58
Collected/Observed by Gear Type: Not Recorded Minnow Trap (1)  Not Recorded Minnow Trap (2)  
 
Species: juvenile/adult Dolly Varden Life History: Unknown
Total Fish Observed: 17 Fish Measured: 10 Fork Lengths (mm) Min: 60 Max: 100 Mean: 80
Collected/Observed by Gear Type: Not Recorded Minnow Trap (5)  Not Recorded Minnow Trap (5)  Not Recorded Minnow Trap (3)  Not Recorded Minnow Trap (2)  Not Recorded Minnow Trap (2)  

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