Fish Passage Site 50101571

Coordinates (dec. deg.): 64.69702°, -164.18634°
Legal Description: K009S028W24
Region: Arctic
Road Name: Council Road

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

Elevation:

Site Comments: Mile 47.9

Survey Date: Jul 04, 2006

Survey SEW05-COR16

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: Deep, e-type channel. No d/s width meas;

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 100.9
Inlet Type: Flush
Outlet Type: Flush
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.75
Condition Rating(1-5): 3
Approach Angle: 55.0
Sedimentation At Inlet:
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):3.0 2.95
Height(ft):3.2 3.1
Apron Length(ft):
Water Depth(ft): 0.7
Rustline Height(ft):1.3
Substrate Depth(ft):0.85 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 0.83
Culvert Gradient: 3.80%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert is poorly aligned
  2. Culvert gradient red

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:SandGravel
Subdominant:Silt/ClayGravel
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water
Upstream bank full 196.0 4.60
Upstream bank full 235.0 4.60
Upstream bank full 260.0 4.50
Upstream bank full 300.0 3.80
Upstream bed width
Upstream ordinary high water 196.0 3.80
Upstream ordinary high water 235.0 3.80
Upstream ordinary high water 260.0 3.60
Upstream ordinary high water 300.0 3.30

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Outlet Pool Water Elev 92.77
Max Pool Depth 1.60
D/S Grade Ctrl (Thalweg) 0.00 89.0 90.65
D/S Grade Ctrl (Thalweg) 23.00 66.0 91.02
D/S Tailcrest or 1st Thalweg 75.00 14.0 92.29
OHW (Outlet Tailcrest) 75.00 14.0 92.96
Bankfull 75.00 14.0 93.60
D/S Thalweg 84.00 5.0 0.60
D/S Grade Ctrl (Thalweg) 87.50 1.5 91.30
Outlet Invert 1 89.00 0.0 92.07
Road Elev 139.00 104.36
Inlet Culvert Invert 1 189.00 0.0 95.90
U/S Grade Ctrl (Thalweg) 204.00 15.0 96.48
U/S Grade Ctrl (Thalweg) 209.00 20.0 96.67
U/S Grade Ctrl (Thalweg) 220.00 31.0 96.70
U/S Grade Ctrl (Thalweg) 242.00 53.0 97.48
U/S Grade Ctrl (Thalweg) 299.00 110.0 98.18
U/S Grade Ctrl (Thalweg) 314.00 125.0 98.22
U/S Grade Ctrl (Thalweg) 341.00 152.0 98.41
U/S Grade Ctrl (Thalweg) 372.00 183.0 99.32
U/S Grade Ctrl (Thalweg) 413.00 224.0 99.80
U/S Grade Ctrl (Thalweg) 449.00 260.0 100.02

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