Fish Passage Site 50101556

Coordinates (dec. deg.): 64.85204°, -163.69919°
Legal Description: K007S025W27
Region: Arctic
Road Name: Council Road

Datum: NAD83
Quad Name / ITM: Solomon D-4
AWC Stream #:
Stream Name: Unnamed

Elevation:

Site Comments: Mile 70.8

Survey Date: Jun 30, 2006

Survey SEW05-COR01

Project Supervisor: Dave Ryland,
Observers: Dave Ryland, Kyle Negri

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Culvert is poorly aligned
  2. Culvert gradient red

Comments: chanel is u-shaped e-type. d/s substrate = sand/ silt; u/s channel = silt/ mud.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 46.7
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.75
Condition Rating(1-5): 3
Approach Angle: 78.0
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):3.94 3.7
Height(ft):3.94 3.75
Apron Length(ft):
Water Depth(ft): 0.27
Rustline Height(ft):0.54
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height: 0.13
Outfall Type:
Constriction Ratio: 0.98
Culvert Gradient: 1.16%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert is poorly aligned
  2. Culvert gradient red

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:Silt/ClayGravel
Subdominant:SandGravel
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 71.0 1.50
Downstream ordinary high water 114.0 4.00
Upstream bank full 75.0 5.20
Upstream bank full 100.0 6.00
Upstream bank full 125.0 2.30
Upstream bank full 150.0 3.30
Upstream bed width
Upstream ordinary high water 75.0 4.80
Upstream ordinary high water 100.0 6.00
Upstream ordinary high water 125.0 2.00
Upstream ordinary high water 150.0 3.30

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Max Pool Depth 2.70
Outlet Pool Water Elev 95.58
D/S Grade Ctrl (Thalweg) 0.00 114.0 94.04
D/S Grade Ctrl (Thalweg) 43.00 71.0 94.29
D/S Tailcrest or 1st Thalweg 93.00 21.0 95.38
Bankfull 93.00 21.0 96.32
OHW (Outlet Tailcrest) 93.00 21.0 95.57
D/S Thalweg 107.00 7.0 93.07
D/S Thalweg 109.00 5.0 2.65
D/S Thalweg 114.00 0.0 94.41
Outlet Invert 1 114.00 0.0 95.44
Road Elev 137.00 102.53
Inlet Culvert Invert 1 160.00 0.0 95.98
U/S Thalweg 161.00 1.0 96.01
U/S Thalweg 169.00 9.0 93.85
U/S Thalweg 189.00 29.0 96.18
U/S Thalweg 195.00 35.0 94.16
U/S Thalweg 235.00 75.0 93.37
U/S Thalweg 310.00 150.0 94.94

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.

Questions or comments about this report can be directed to dfg.dsf.webmaster@alaska.gov