Fish Passage Site 20300970

Coordinates (dec. deg.): 60.35083°, -151.21720°
Legal Description: S003N011W17
Region: South Central
Road Name: Sterling Highway

Datum: NAD83
Quad Name / ITM: Kenai B-4
AWC Stream #: 244-30-10050-2015
Stream Name: Coal 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-NK005

Observers: Cecil Rich, Michael Lund, Tracy Smith

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: None

Culvert Measurements

ID: 1 Structure Type: Closed-bottom arch (Strutural Metal Plate) Fish Passage Rating:
 
Length(ft): 108.0
Inlet Type: Mitered
Outlet Type:
Corrugation Depth(in.): 2.0
Corrugation Width(in.): 6.0
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):7.5 7.5
Height(ft):8.5 8.5
Apron Length(ft):
Water Depth(ft):1.48 1.44
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 0.44
Outfall Type:
Constriction Ratio: 0.53
Culvert Gradient: 1.60%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelNone
Subdominant:SandNone
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 54.0 14.00
Downstream ordinary high water 65.0 14.00
Downstream ordinary high water 116.0 12.00
Upstream ordinary high water 5.0 9.30
Upstream ordinary high water 50.0 16.40
Upstream ordinary high water 100.0 11.80

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Thalweg 77.81
D/S Water Surface Elev 0.00 116.0 82.29
D/S Thalweg 0.00 116.0 81.87
D/S OHW Elev 0.00 116.0 82.92
D/S Thalweg 51.00 65.0 81.96
D/S Water Surface Elev 51.00 65.0 82.48
D/S OHW Elev 51.00 65.0 82.75
D/S Tailcrest or 1st Thalweg 62.00 54.0 77.88
OHW Left Bank 62.00 54.0 78.77
D/S Water Surface Elev 62.00 54.0 78.85
OHW Left Bank 111.00 5.0 82.06
Max Pool Depth 111.00 5.0 78.31
OHW Left Bank 111.00 5.0 82.79
Outlet Invert 1 116.00 0.0 81.06
Outlet Thalweg 1 116.00 0.0 81.06
Outlet Rustline Height 1 116.00 0.0 83.77
Outlet Culvert Top 1 116.00 0.0 89.17
Road Elev 170.00 97.23
Road Elev 170.00 97.23
Inlet Rustline Height 1 224.00 0.0 85.00
Inlet Culvert Top 1 224.00 0.0 89.96
Inlet Culvert Invert 1 224.00 0.0 82.79
Inlet Thalweg 1 224.00 0.0 82.79
U/S Thalweg 1 225.00 1.0 82.83
U/S Thalweg 1 229.00 5.0 82.33
U/S Water Surface Elev 1 229.00 5.0 84.17
U/S OHW elevation 1 229.00 5.0 84.52
U/S Thalweg 1 239.00 15.0 82.17
U/S Thalweg 274.00 50.0 81.42
U/S Water Surface Elev 274.00 50.0 84.15
U/S Headwater 274.00 50.0 83.56
U/S Headwater 324.00 100.0 84.54
U/S Thalweg 324.00 100.0 81.42

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 (B) Trap Duration(h): 2.58
 
Gear Type: Minnow Trap (B) Trap Duration(h): 2.33

Fish Observations

Species: juvenile/adult Dolly Varden Life History: Unknown
Total Fish Observed: 2 Fish Measured: 1 Fork Lengths (mm) Min: 124 Max: 124 Mean: 124
Collected/Observed by Gear Type: Downstream Minnow Trap (2)  Upstream Minnow Trap (2)  
 
Species: juvenile Chinook salmon Life History: Anadromous
Total Fish Observed: 4 Fish Measured: 2 Fork Lengths (mm) Min: 67 Max: 86 Mean: 76
Collected/Observed by Gear Type: Downstream Minnow Trap (2)  Upstream Minnow Trap (2)  
 
Species: juvenile coho salmon Life History: Anadromous
Total Fish Observed: 59 Fish Measured: 20 Fork Lengths (mm) Min: 57 Max: 109 Mean: 77
Collected/Observed by Gear Type: Downstream Minnow Trap (32)  Upstream Minnow Trap (32)  
 
Species: juvenile/adult rainbow trout Life History: Resident
Total Fish Observed: 2 Fish Measured: 1 Fork Lengths (mm) Min: 113 Max: 113 Mean: 113
Collected/Observed by Gear Type: Downstream Minnow Trap (2)  Upstream Minnow Trap (2)  
 
Species: juvenile rainbow trout Life History: Resident
Total Fish Observed: 8 Fish Measured: 4 Fork Lengths (mm) Min: 65 Max: 70 Mean: 67
Collected/Observed by Gear Type:
 
Species: juvenile/adult sculpin-unspecified Life History: Resident
Total Fish Observed: 2 Fish Measured: 1 Fork Lengths (mm) Min: 57 Max: 57 Mean: 57
Collected/Observed by Gear Type: Downstream Minnow Trap (2)  Upstream Minnow Trap (2)  

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