Fish Passage Site 20300943

Coordinates (dec. deg.): 60.51357°, -149.47038°
Legal Description: S005N001W21
Region: South Central
Road Name: Seward Highway

Datum: NAD83
Quad Name / ITM: Seward C-7
AWC Stream #:
Stream Name: Moose Creek

Elevation:

Site Comments: Milepost 34 approximately

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-EK067

Observers: Cecil Rich, James Maple

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: None

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 113.6
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 3.0
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: Gravel
Outlet Substrate: Cobble
InletOutlet
Width(ft):2.1 1.9
Height(ft):2.15 1.48
Apron Length(ft):
Water Depth(ft):0.63 0.75
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 0.13
Outfall Type:
Constriction Ratio:
Culvert Gradient: 1.98%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:BoulderGravel
Subdominant:CobbleCobble
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)
Stream
Width (ft)
Upstream ordinary high water 5.0 3.10

Elevations

Locator ID Culvert
Number
River
Distance (ft)1
Distance From
Crossing (ft)2
Relative
Elevation (ft)
D/S Thalweg 77.96
OHW Left Bank 0.00 5.0 78.79
OHW Left Bank 0.00 5.0 78.62
OHW Left Bank 1.90 3.1 78.75
D/S Tailcrest or 1st Thalweg 1.90 3.1 78.08
D/S Water Surface Elev 1.90 3.1 78.52
Outlet Invert 1 5.00 0.0 78.00
Outlet Thalweg 1 5.00 0.0 78.00
Outlet Rustline Height 1 5.00 0.0 78.79
Outlet Culvert Top 1 5.00 0.0 79.48
Road Elev 61.50 96.96
Road Elev 61.50 97.29
Inlet Rustline Height 1 118.00 0.0 81.44
Inlet Culvert Invert (estimated) 1 118.00 0.0 80.25
Inlet Thalweg 1 118.00 0.0 80.25
Inlet Culvert Top 1 118.00 0.0 82.40
U/S Thalweg 1 119.00 1.0 80.58
U/S Thalweg 1 122.00 4.0 80.73
U/S Water Surface Elev 1 123.00 5.0 81.23
U/S OHW elevation 1 123.00 5.0 81.71
U/S Thalweg 1 123.00 5.0 80.44

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): 0.45
 
Gear Type: Minnow Trap (B) Trap Duration(h): 0.5
Comments: Two additional fish observed (approx. 150 cm) in culvert outlet

Fish Observations

Species: juvenile Dolly Varden Life History: Resident
Total Fish Observed: 2 Fish Measured: 1 Fork Lengths (mm) Min: 140 Max: 140 Mean: 140
Collected/Observed by Gear Type: Downstream Minnow Trap (2)  
Comments: Two additional fish observed (approx. 150 cm) in culvert outlet
 
Species: no fish collected or observed Life History: Not Applicable
Total Fish Observed: 0 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Upstream Minnow Trap (0)  

Photos

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