Fish Passage Site 20300968

Coordinates (dec. deg.): 60.43344°, -151.12212°
Legal Description: S004N011W13
Region: South Central
Road Name: Arc Loop Road

Datum: NAD83
Quad Name / ITM: Kenai B-3
AWC Stream #: 244-30-10010-2030
Stream Name: Slikok Creek

Elevation:

Site Comments: DOT replaced this culvert in 2002.

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-NK003

Observers: Cecil Rich, Steve Albert, Michael Lund

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: Short pipe; erosion at inlet and fill slope erosion runoff from road causing gullying. DOTreplaced this culvert in 2002.

Culvert Measurements

ID: 1 Structure Type: Pipe-arch (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 30.6
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 2.0
Corrugation Width(in.): 6.0
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: Cobble
Outlet Substrate: None
InletOutlet
Width(ft):9.5 9.0
Height(ft):5.85 6.25
Apron Length(ft):
Water Depth(ft):1.34 1.33
Rustline Height(ft):
Substrate Depth(ft):0.09 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 0.08
Outfall Type:
Constriction Ratio: 0.74
Culvert Gradient: -0.23%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:Silt/ClayCobble
Subdominant:GravelGravel
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)
Stream
Width (ft)
Downstream ordinary high water 12.7 46.00
Downstream ordinary high water 13.0 50.00
Downstream ordinary high water 13.5 100.00
Upstream ordinary high water 5.0 18.00
Upstream ordinary high water 50.0 9.90
Upstream ordinary high water 100.0 15.70

Elevations

Locator ID Culvert
Number
River
Distance (ft)1
Distance From
Crossing (ft)2
Relative
Elevation (ft)
D/S Thalweg 86.00
OHW Left Bank 89.08
D/S OHW Elev 0.00 100.0 88.75
D/S Thalweg 0.00 100.0 86.58
D/S Water Surface Elev 0.00 100.0 85.79
D/S Thalweg 50.00 50.0 88.31
D/S Water Surface Elev 50.00 50.0 88.58
D/S OHW Elev 50.00 50.0 89.58
OHW Left Bank 54.00 46.0 89.58
D/S Tailcrest or 1st Thalweg 54.00 46.0 88.25
D/S Water Surface Elev 54.00 46.0 88.58
OHW Left Bank 95.00 5.0 88.67
Max Pool Depth 95.00 5.0 87.58
Outlet Invert 1 100.00 0.0 87.42
Outlet Thalweg 1 100.00 0.0 87.42
Outlet Rustline Height 1 100.00 0.0 91.00
Outlet Culvert Top 1 100.00 0.0 93.67
Road Elev 115.00 96.58
Road Elev 115.00 96.67
Inlet Rustline Height 1 130.00 0.0 91.04
Inlet Culvert Top 1 130.00 0.0 93.21
Inlet Thalweg 1 130.00 0.0 87.46
Inlet Culvert Invert 1 130.00 0.0 87.35
U/S Thalweg 1 131.00 1.0 87.46
U/S Thalweg 1 135.00 5.0 87.83
U/S OHW elevation 1 135.00 5.0 89.06
U/S Water Surface Elev 1 135.00 5.0 88.92
U/S Thalweg 1 149.00 19.0 86.83
U/S Thalweg 180.00 50.0 85.37
U/S Water Surface Elev 180.00 50.0 88.98
U/S Headwater 180.00 50.0 90.27
U/S Headwater 230.00 100.0 88.98
U/S Thalweg 230.00 100.0 86.69
U/S Water Surface Elev 230.00 100.0 88.71

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): 1.66
 
Gear Type: Minnow Trap (B) Trap Duration(h): 1.66

Fish Observations

Species: adult stickleback-unspecified Life History: Resident
Total Fish Observed: 16 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Minnow Trap (6)  Upstream Minnow Trap (10)  
 
Species: juvenile Chinook salmon Life History: Anadromous
Total Fish Observed: 49 Fish Measured: 16 Fork Lengths (mm) Min: 73 Max: 97 Mean: 84
Collected/Observed by Gear Type: Downstream Minnow Trap (37)  Upstream Minnow Trap (12)  
 
Species: adult sculpin-unspecified Life History: Resident
Total Fish Observed: 2 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Minnow Trap (1)  Upstream Minnow Trap (1)  

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