Fish Passage Site 50101577

Coordinates (dec. deg.): 64.61663°, -164.39375°
Legal Description: K010S029W13
Region: Arctic
Road Name: Council Road

Datum: NAD83
Quad Name / ITM: Solomon C-5
AWC Stream #:
Stream Name: Solomon River tributary

Elevation:

Site Comments: Mile 38.3. Confluence with the Colomon River is directly d/s. Solomon River abuts road.

Survey Date: Jul 06, 2006

Survey SEW05-COR22

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

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: Yes

Step Pools: No
Construction Year:


Site Observations:

  1. Constriction ratio gray

Comments: confluence with Solomon River imm d/s of outlets, water too deep to wade; woody debris at outlet of pipes.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Structural steel plate) Fish Passage Rating: Green
 
Length(ft): 114.5
Inlet Type: Flush
Outlet Type: Flush
Corrugation Depth(in.): 2.0
Corrugation Width(in.): 6.0
Condition Rating(1-5): 3
Approach Angle: 39.0
Sedimentation At Inlet:
Inlet Substrate: Silt/Clay
Outlet Substrate: Silt/Clay
InletOutlet
Width(ft):13.7 12.7
Height(ft):13.7 13.5
Apron Length(ft):
Water Depth(ft): 1.2
Rustline Height(ft):6.3
Substrate Depth(ft):2.5 2.6
Backwatered?: Yes
Baffles Present: No
Embedded?: Yes
Embedded Depth(ft): 2.5
Outfall Height: 0.0
Outfall Type:
Constriction Ratio: 0.47
Culvert Gradient: 0.13%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert is poorly aligned
  2. Constriction ratio gray
ID: 2 Structure Type: Circular pipe (Structural steel plate) Fish Passage Rating: Green
 
Length(ft): 114.5
Inlet Type: Flush
Outlet Type: Flush
Corrugation Depth(in.): 2.0
Corrugation Width(in.): 6.0
Condition Rating(1-5): 3
Approach Angle: 39.0
Sedimentation At Inlet:
Inlet Substrate: Silt/Clay
Outlet Substrate: Silt/Clay
InletOutlet
Width(ft):13.6 13.5
Height(ft):13.5 13.7
Apron Length(ft):
Water Depth(ft): 3.85
Rustline Height(ft):5.5
Substrate Depth(ft):0.8 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height: 0.0
Outfall Type:
Constriction Ratio: 0.47
Culvert Gradient: 0.70%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert is poorly aligned
  2. Constriction ratio gray

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelGravel
Subdominant:Silt/ClayCobble
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)
Stream
Width (ft)
Downstream ordinary high water
Upstream bank full 150.0 55.60
Upstream bank full 200.0 44.00
Upstream bank full 250.0 37.30
Upstream bank full 300.0 34.70
Upstream bed width
Upstream ordinary high water 150.0 52.40
Upstream ordinary high water 200.0 42.00
Upstream ordinary high water 250.0 35.20
Upstream ordinary high water 300.0 32.60

Elevations

Locator ID Culvert
Number
River
Distance (ft)1
Distance From
Crossing (ft)2
Relative
Elevation (ft)
Outlet Pool Water Elev 89.90
U/S Thalweg 1 90.03
U/S Thalweg 2 90.04
D/S Thalweg 0.00 100.0 89.94
Outlet Invert 2 100.00 0.0 86.05
Outlet Invert 1 100.00 0.0 88.70
Road Elev 157.00 106.78
Inlet Culvert Invert 1 214.00 0.0 88.85
Inlet Culvert Invert 2 214.00 0.0 86.85
U/S Grade Ctrl (Thalweg) 247.00 33.0 89.09
U/S Grade Ctrl (Thalweg) 285.00 71.0 88.94
U/S Grade Ctrl (Thalweg) 323.00 109.0 89.03
U/S Grade Ctrl (Thalweg) 792.00 578.0 90.15

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