Fish Passage Site 50101648

Coordinates (dec. deg.): 64.57227°, -165.63173°
Legal Description: K010S035W35
Region: Arctic
Road Name: Teller Road

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

Elevation:

Site Comments: Mile 11.1

Survey Date: Oct 04, 2005

Survey SEW05-TR09

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

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: Yes

Step Pools: No
Construction Year:


Site Observations:

  1. Constriction ratio gray

Comments: d/s channel braids through dense willows. u/s flow very slow and channel choked with dense willows.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Green
 
Length(ft): 57.0
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.): 0.75
Corrugation Width(in.): 2.75
Condition Rating(1-5): 3
Approach Angle: 19.0
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):4.0
Height(ft):4.1
Apron Length(ft):
Water Depth(ft): 1.0
Rustline Height(ft):1.0
Substrate Depth(ft):0.0 0.0
Backwatered?: Yes
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 0.58
Culvert Gradient: 0.63%
Max Slope:
Max Slope Length:
 

Comments: culvert is backwatered; d/s channel braided trough dense willow
  Culvert Observations:
  1. Constriction ratio gray

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:SandGravel
Subdominant:Silt/ClaySand
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water
Downstream ordinary high water 31.0 11.30
Upstream bank full 75.0 13.50
Upstream bank full 100.0 21.00
Upstream bank full 125.0 12.20
Upstream bank full 150.0 19.00
Upstream bed width 75.0 3.70
Upstream bed width 100.0 6.00
Upstream bed width 125.0 2.30
Upstream bed width 150.0 2.70
Upstream ordinary high water 75.0 6.20
Upstream ordinary high water 100.0 9.00
Upstream ordinary high water 125.0 6.50
Upstream ordinary high water 150.0 5.80

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Max Pool Depth 0.90
Outlet Pool Water Elev 97.55
U/S Thalweg 97.64
D/S Grade Ctrl (Thalweg) 0.00 31.0 95.72
D/S Tailcrest or 1st Thalweg 25.50 5.5 97.12
OHW (Outlet Tailcrest) 25.50 5.5 97.53
D/S Thalweg 26.00 5.0 0.50
Outlet Invert 1 31.00 0.0 96.53
Road Elev 59.50 103.28
Inlet Culvert Invert 1 88.00 0.0 96.89
U/S Thalweg 96.00 8.0 96.35
U/S Thalweg 163.00 75.0 97.07
U/S Thalweg 238.00 150.0 99.64

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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