Fish Passage Site 50101649

Coordinates (dec. deg.): 64.57163°, -165.58122°
Legal Description: K010S035W36
Region: Arctic
Road Name: Teller Road

Datum: NAD83
Quad Name / ITM: Nome C-2
AWC Stream #:
Stream Name: Sunset Creek

Elevation:

Site Comments: Mile 9.5

Survey Date: Oct 04, 2005

Survey SEW05-TR10

Project Supervisor: Dave Ryland,
Observers: Dave Ryland, Jason Cheney

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Outfall height red
  2. Culvert gradient red

Comments: Dolly Varden caught at site

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Structural steel plate) Fish Passage Rating: Red
 
Length(ft): 107.0
Inlet Type: Flush
Outlet Type: Flush
Corrugation Depth(in.): 2.0
Corrugation Width(in.): 6.0
Condition Rating(1-5): 3
Approach Angle: 34.0
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):5.9
Height(ft):5.9
Apron Length(ft):
Water Depth(ft): 0.8
Rustline Height(ft):1.1
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height: 0.7
Outfall Type: Free Fall In To Pool
Constriction Ratio: 1.08
Culvert Gradient: 4.34%
Max Slope:
Max Slope Length:
 

Comments: large pond u/s of inlets
  Culvert Observations:
  1. Outfall height red
  2. Culvert gradient red
ID: 2 Structure Type: Circular pipe (Structural steel plate) Fish Passage Rating: Red
 
Length(ft): 107.1
Inlet Type: Flush
Outlet Type: Flush
Corrugation Depth(in.): 2.0
Corrugation Width(in.): 6.0
Condition Rating(1-5): 3
Approach Angle: 34.0
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):5.9
Height(ft):5.9
Apron Length(ft):
Water Depth(ft): 0.6
Rustline Height(ft):1.0
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height: 0.47
Outfall Type: Free Fall In To Pool
Constriction Ratio: 1.08
Culvert Gradient: 4.58%
Max Slope:
Max Slope Length:
 

Comments: DV trapped in outlet pool and +/- 100 meters u/s of inlet
  Culvert Observations:
  1. Outfall height red
  2. Culvert gradient red

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelGravel
Subdominant:CobbleCobble
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water
Downstream ordinary high water 149.0 16.40
Upstream bank full 213.0 46.90
Upstream bank full 238.0 13.00
Upstream bank full 263.0 12.70
Upstream bank full 288.0 17.80
Upstream bed width 213.0 8.50
Upstream bed width 238.0 4.20
Upstream bed width 263.0 5.10
Upstream bed width 288.0 5.20
Upstream ordinary high water 213.0 8.50
Upstream ordinary high water 238.0 7.90
Upstream ordinary high water 263.0 7.00
Upstream ordinary high water 288.0 7.50

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Max Pool Depth 1 2.20
Max Pool Depth 2 2.10
Outlet Pool Water Elev 76.79
U/S Thalweg 82.14
D/S Grade Ctrl (Thalweg) 0.00 149.0 74.32
D/S Tailcrest or 1st Thalweg 119.00 30.0 76.01
OHW (Outlet Tailcrest) 119.00 30.0 76.75
D/S Thalweg 2 144.00 5.0 1.90
D/S Thalweg 1 144.00 5.0 2.10
Outlet Invert 2 149.00 0.0 76.66
Outlet Invert 1 149.00 0.0 76.69
Road Elev 202.50 100.08
Inlet Culvert Invert 1 256.00 0.0 81.33
Inlet Culvert Invert 2 256.00 0.0 81.56
U/S Thalweg 2 268.00 12.0 78.89
U/S Thalweg 1 268.00 12.0 79.22
U/S Thalweg 394.00 138.0 81.28
U/S Thalweg 469.00 213.0 81.69
U/S Thalweg 544.00 288.0 83.46

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): 19
Channel Type: Main Channel (>50% of water flow)
Comments: u/sof inlet pool to culvert
 
Gear Type: Minnow Trap (B) Trap Duration(h): 19
Channel Type: Main Channel (>50% of water flow)
Comments: Outlet pool of culvert
 
Gear Type: Minnow Trap (A) Trap Duration(h): 19
Comments: Backwater located 225' d/s of culvert

Fish Observations

Species: Dolly Varden Life History: Unknown
Total Fish Observed: 3 Fish Measured: 3 Fork Lengths (mm) Min: 94 Max: 135 Mean: 113
Collected/Observed by Gear Type: Downstream Minnow Trap (1)  Downstream Minnow Trap (1)  Upstream Minnow Trap (1)  
Comments: See Photos

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