Fish Passage Site 20300934

Coordinates (dec. deg.): 60.50470°, -149.43952°
Legal Description: S005N001W22
Region: South Central
Road Name: Seward Highway

Datum: NAD83
Quad Name / ITM: Seward C-7
AWC Stream #: 244-30-10010-2225-3013
Stream Name: Moose Creek

Elevation:

Site Comments: None

Multiple surveys have been conducted at this site — click on the drop down
arrow to the right of the survey date below to choose a different report for this site.

Survey KPCS1-EK050

Observers: Cecil Rich, William Glick

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: Two 5.5 ft squash pipes perched about 1 foot at outlet and jacked up at inlet. Aggradation above inlet control.

Culvert Measurements

ID: 1 Structure Type: Pipe-arch (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 67.0
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.6
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):5.4 5.5
Height(ft):3.6 3.43
Apron Length(ft):
Water Depth(ft):2.77 0.9
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 1.12
Outfall Type:
Constriction Ratio: 0.31
Culvert Gradient: 2.13%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type
ID: 2 Structure Type: Pipe-arch (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 67.0
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.6
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):5.4 5.5
Height(ft):3.5 3.36
Apron Length(ft):
Water Depth(ft):3.31 0.83
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 1.12
Outfall Type:
Constriction Ratio: 0.31
Culvert Gradient: 2.18%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:SandGravel
Subdominant:GravelGravel
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 20.0 15.80
Downstream ordinary high water 60.0 16.20
Downstream ordinary high water 100.0 25.00
Upstream ordinary high water 72.0 37.20
Upstream ordinary high water 131.0 32.00

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Thalweg 0.00 100.0 91.56
D/S Water Surface Elev 0.00 100.0 92.56
D/S OHW Elev 0.00 100.0 93.19
D/S Water Surface Elev 40.00 60.0 92.98
D/S OHW Elev 40.00 60.0 93.15
D/S Thalweg 40.00 60.0 91.90
D/S Tailcrest or 1st Thalweg 80.00 20.0 92.58
D/S Water Surface Elev 80.00 20.0 93.83
OHW Left Bank 80.00 20.0 94.31
OHW Left Bank 95.00 5.0 94.15
OHW Left Bank 95.00 5.0 93.79
Max Pool Depth 95.00 5.0 91.48
D/S Thalweg 95.00 5.0 91.48
Outlet Invert 2 100.00 0.0 94.08
Outlet Thalweg 2 100.00 0.0 94.08
Outlet Invert 1 100.00 0.0 94.15
Outlet Thalweg 1 100.00 0.0 94.15
Outlet Rustline Height 2 100.00 0.0 95.29
Outlet Rustline Height 1 100.00 0.0 95.40
Outlet Culvert Top 2 100.00 0.0 97.44
Outlet Culvert Top 1 100.00 0.0 97.58
Road Elev 133.50 102.93
Road Elev 133.50 106.22
Inlet Culvert Top 2 167.00 0.0 99.04
Inlet Culvert Top 1 167.00 0.0 99.18
Inlet Culvert Invert 2 167.00 0.0 95.54
Inlet Thalweg 2 167.00 0.0 95.54
Inlet Culvert Invert 1 167.00 0.0 95.58
Inlet Thalweg 1 167.00 0.0 95.58
Inlet Rustline Height 2 167.00 0.0 96.37
Inlet Rustline Height 1 167.00 0.0 96.77
U/S Thalweg 1 168.00 1.0 95.04
U/S Thalweg 2 168.00 1.0 95.14
U/S OHW elevation 1 172.00 5.0 97.20
U/S OHW elevation 2 172.00 5.0 97.22
U/S Thalweg 1 172.00 5.0 94.60
U/S Thalweg 2 172.00 5.0 94.85
U/S Water Surface Elev 1 172.00 5.0 96.35
U/S Water Surface Elev 2 172.00 5.0 96.35
U/S Thalweg 2 177.90 10.9 95.08
U/S Thalweg 1 177.90 10.9 94.52
U/S Thalweg 239.00 72.0 94.60
U/S Water Surface Elev 239.00 72.0 96.39
U/S Headwater 239.00 72.0 97.02
U/S Water Surface Elev 298.00 131.0 96.47
U/S Headwater 298.00 131.0 96.85
U/S Thalweg 298.00 131.0 95.04

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

Gear Type: Minnow Trap (A) Trap Duration(h): 2.25
 
Gear Type: Minnow Trap (B) Trap Duration(h): 1.4

Fish Observations

Species: juvenile Dolly Varden Life History: Resident
Total Fish Observed: 46 Fish Measured: 14 Fork Lengths (mm) Min: 55 Max: 117 Mean: 92
Collected/Observed by Gear Type: Downstream Minnow Trap (38)  Upstream Minnow Trap (8)  
 
Species: juvenile coho salmon Life History: Anadromous
Total Fish Observed: 39 Fish Measured: 19 Fork Lengths (mm) Min: 50 Max: 115 Mean: 68
Collected/Observed by Gear Type: Downstream Minnow Trap (20)  Upstream Minnow Trap (19)  

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