Fish Passage Site 50101596

Coordinates (dec. deg.): 64.98272°, -164.73804°
Legal Description: K006S030W10
Region: Arctic
Road Name: Kougarok Road

Datum: NAD83
Quad Name / ITM: Solomon D-6
AWC Stream #:
Stream Name: Unnamed

Elevation:

Site Comments: None

Survey Date: Sep 19, 2005

Survey SEW05-KR08

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

Overall Fish Passage Rating: Red

Tidal: No
Backwatered:

Step Pools:
Construction Year:


Site Observations:

  1. Culvert is poorly aligned
  2. Hydraulic flows exceeded capacity
  3. Outfall height red
  4. Constriction ratio gray
  5. Culvert gradient red

Comments: None

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 40.5
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.): 0.75
Corrugation Width(in.): 2.75
Condition Rating(1-5): 3
Approach Angle: 31.0
Sedimentation At Inlet:
Inlet Substrate: Gravel
Outlet Substrate: Gravel
InletOutlet
Width(ft):6.0
Height(ft):6.0
Apron Length(ft):
Water Depth(ft): 1.9
Rustline Height(ft):1.9
Substrate Depth(ft):0.2 0.8
Backwatered?:
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height: 1.57
Outfall Type:
Constriction Ratio: 0.62
Culvert Gradient: 2.40%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert is poorly aligned
  2. Hydraulic flows exceeded capacity
  3. Outfall height red
  4. Culvert gradient red
  5. Constriction ratio gray

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 100.0 14.00
Upstream bank full 75.0 12.60
Upstream bank full 100.0 12.60
Upstream bank full 125.0 13.20
Upstream bank full 150.0 16.90
Upstream bed width 75.0 9.60
Upstream bed width 100.0 6.80
Upstream bed width 125.0 5.90
Upstream bed width 150.0 7.30
Upstream ordinary high water 75.0 10.40
Upstream ordinary high water 100.0 8.00
Upstream ordinary high water 125.0 9.30
Upstream ordinary high water 150.0 11.30

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Max Pool Depth 2.10
Outlet Pool Water Elev 91.68
U/S Thalweg 94.75
D/S Grade Ctrl (Thalweg) 0.00 100.0 86.00
D/S Tailcrest or 1st Thalweg 88.00 12.0 89.22
OHW (Outlet Tailcrest) 88.00 12.0 90.84
D/S Thalweg 95.00 5.0 1.90
Outlet Invert 1 100.00 0.0 91.35
Road Elev 120.00 101.16
Inlet Culvert Invert 1 140.00 0.0 92.32
U/S Thalweg 152.00 12.0 94.04
U/S Thalweg 240.00 100.0 96.52

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

No fish sampling occurred during this survey.

Fish Observations

No fish observations occurred during this survey.

Photos

No photos available.

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