Fish Passage Site 50101590

Coordinates (dec. deg.): 65.37403°, -164.66959°
Legal Description: K001S029W29
Region: Arctic
Road Name: Kougarok Road

Datum: NAD83
Quad Name / ITM: Bendeleben B-6
AWC Stream #:
Stream Name: Unnamed

Elevation:

Site Comments: Mile 80.8

Survey Date: Sep 16, 2005

Survey SEW05-KR02

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

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Culvert is poorly aligned
  2. Outfall height red
  3. Culvert gradient gray
  4. Constriction ratio gray

Comments: Survey at bankfull, at normal flows the culvert is probably perched more.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 83.2
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.): 0.75
Corrugation Width(in.): 2.75
Condition Rating(1-5): 3
Approach Angle: 25.0
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):5.9
Height(ft):5.9
Apron Length(ft):
Water Depth(ft): 1.2
Rustline Height(ft):2.5
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height: 0.56
Outfall Type: Free Fall In To Pool
Constriction Ratio: 0.58
Culvert Gradient: 1.97%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert is poorly aligned
  2. Culvert gradient gray
  3. Outfall height red
  4. Constriction ratio gray

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelGravel
Subdominant:GravelGravel
Stream Slope(deg.):
Stream Flow Stage:High
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water
Downstream ordinary high water 107.0 3.20
Upstream bank full 75.0 23.10
Upstream bank full 100.0 27.30
Upstream bank full 125.0 24.30
Upstream bank full 150.0 21.60
Upstream bed width 75.0 2.50
Upstream bed width 100.0 8.80
Upstream bed width 125.0 6.70
Upstream bed width 150.0 14.40
Upstream ordinary high water 75.0 4.60
Upstream ordinary high water 100.0 10.60
Upstream ordinary high water 125.0 9.40
Upstream ordinary high water 150.0 16.10

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Max Pool Depth 6.00
Outlet Pool Water Elev 94.44
U/S Thalweg 97.13
D/S Grade Ctrl (Thalweg) 0.00 107.0 91.38
D/S Tailcrest or 1st Thalweg 55.00 52.0 93.02
OHW (Outlet Tailcrest) 55.00 52.0 93.58
Bankfull 55.00 52.0 94.42
D/S Thalweg 102.00 5.0 5.90
Outlet Invert 1 107.00 0.0 93.80
Road Elev 148.50 104.01
Inlet Culvert Invert 1 190.00 0.0 95.44
U/S Thalweg 202.00 12.0 94.34
U/S Grade Ctrl (Thalweg) 270.00 80.0 94.48

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.

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