Fish Passage Site 50101624

Coordinates (dec. deg.): 64.63983°, -165.29806°
Legal Description: K010S033W09
Region: Arctic
Road Name: Kougarok Road

Datum: NAD83
Quad Name / ITM: Nome C-1
AWC Stream #:
Stream Name: Banner Creek

Elevation:

Site Comments: Mile 12.2.

Survey Date: Sep 27, 2005

Survey SEW05-KR36

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. Outfall height red
  2. Culvert gradient red
  3. Constriction ratio red

Comments: Overflow pipe 135" south of crossing

Culvert Measurements

ID: 1 Structure Type: Pipe-arch (Structural steel plate) Fish Passage Rating: Red
 
Length(ft): 96.8
Inlet Type: Flush
Outlet Type: Flush
Corrugation Depth(in.): 2.0
Corrugation Width(in.): 6.0
Condition Rating(1-5): 4
Approach Angle: 2.0
Sedimentation At Inlet: Yes
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):13.0 13.0
Height(ft):9.7 9.7
Apron Length(ft):
Water Depth(ft): 1.0
Rustline Height(ft):0.9
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height: 2.13
Outfall Type: Free Fall In To Pool
Constriction Ratio: 0.32
Culvert Gradient: 4.55%
Max Slope:
Max Slope Length:
 

Comments: Rustline hgt estimated
  Culvert Observations:
  1. Outfall height red
  2. Culvert gradient red
  3. Constriction ratio red

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelGravel
Subdominant:GravelGravel
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water
Downstream ordinary high water 250.0 13.10
Upstream bank full 75.0 35.20
Upstream bank full 100.0 42.70
Upstream bank full 125.0 59.40
Upstream bank full 150.0 63.90
Upstream bed width 75.0 8.90
Upstream bed width 100.0 6.80
Upstream bed width 125.0 6.30
Upstream bed width 150.0 11.20
Upstream ordinary high water 75.0 31.30
Upstream ordinary high water 100.0 38.90
Upstream ordinary high water 125.0 41.70
Upstream ordinary high water 150.0 50.70

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Outlet Pool Water Elev 88.63
Max Pool Depth 2.60
U/S Thalweg 95.58
D/S Grade Ctrl (Thalweg) 0.00 250.0 84.51
D/S Tailcrest or 1st Thalweg 223.00 27.0 87.68
OHW (Outlet Tailcrest) 223.00 27.0 88.68
D/S Thalweg 245.00 5.0 2.40
Outlet Invert 1 250.00 0.0 89.76
Road Elev 298.00 104.28
Inlet Culvert Invert 1 346.00 0.0 94.16
U/S Thalweg 372.00 26.0 94.14
U/S Thalweg 372.00 26.0 95.55
U/S Thalweg 434.00 88.0 95.13

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