Fish Passage Site 20300984

Coordinates (dec. deg.): 59.85144°, -151.79056°
Legal Description: S004S015W12
Region: South Central
Road Name: Sterling Highway

Datum: NAD83
Quad Name / ITM: Seldovia D-5
AWC Stream #: 244-10-10050
Stream Name: Stariski Creek

Elevation:

Site Comments: Eroding embankment gully above outlet.

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-NK019

Observers: Cecil Rich, Tracy Smith, Michael Lund

Overall Fish Passage Rating: Black

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: Eroding embankment gully above outlet. At inlet river and pipe eroding deeply on each side - should be a bridge here! Right culvert only functions at high water. Inlet erosion codes - FIBO

Culvert Measurements

ID: 1 Structure Type: Closed-bottom arch (Strutural Metal Plate) Fish Passage Rating:
 
Length(ft): 130.81
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: None
Outlet Substrate: None
InletOutlet
Width(ft):9.58 9.79
Height(ft):10.83 10.79
Apron Length(ft):
Water Depth(ft):2.0 2.25
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: -0.02
Outfall Type:
Constriction Ratio: 0.74
Culvert Gradient: -0.36%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Hydraulic flows exceeded capacity
ID: 2 Structure Type: Closed-bottom arch (Strutural Metal Plate) Fish Passage Rating:
 
Length(ft): 130.81
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: None
Outlet Substrate: None
InletOutlet
Width(ft):9.58 9.75
Height(ft):10.81 10.81
Apron Length(ft):
Water Depth(ft):1.14 2.29
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: -0.02
Outfall Type:
Constriction Ratio: 0.74
Culvert Gradient: -0.31%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Hydraulic flows exceeded capacity

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelGravel
Subdominant:CobbleCobble
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 62.0 38.90
Downstream ordinary high water 147.0 33.10
Downstream ordinary high water 200.0 38.00
Upstream ordinary high water 5.0 19.50
Upstream ordinary high water 85.0 22.20
Upstream ordinary high water 182.0 29.90

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Thalweg 82.52
D/S Thalweg 0.00 200.0 86.10
D/S Water Surface Elev 0.00 200.0 86.98
D/S OHW Elev 0.00 200.0 87.10
D/S Water Surface Elev 53.00 147.0 87.35
D/S OHW Elev 53.00 147.0 87.58
D/S Thalweg 53.00 147.0 86.42
D/S Tailcrest or 1st Thalweg 141.00 59.0 87.15
OHW Left Bank 141.00 59.0 88.60
D/S Water Surface Elev 141.00 59.0 88.31
OHW Left Bank 195.00 5.0 88.35
Max Pool Depth 195.00 5.0 84.44
OHW Left Bank 195.00 5.0 89.00
Outlet Culvert Top 2 200.00 0.0 96.85
Outlet Culvert Top 1 200.00 0.0 96.87
Outlet Invert 2 200.00 0.0 86.04
Outlet Thalweg 2 200.00 0.0 86.04
Outlet Invert 1 200.00 0.0 86.08
Outlet Thalweg 1 200.00 0.0 86.08
Outlet Rustline Height 1 200.00 0.0 88.62
Outlet Rustline Height 2 200.00 0.0 88.62
Road Elev 265.00 114.29
Road Elev 265.00 114.39
Inlet Rustline Height 1 330.00 0.0 88.15
Inlet Culvert Top 1 330.00 0.0 96.44
Inlet Culvert Top 2 330.00 0.0 96.44
Inlet Rustline Height 2 330.00 0.0 86.46
Inlet Culvert Invert 1 330.00 0.0 85.61
Inlet Thalweg 1 330.00 0.0 85.61
Inlet Culvert Invert 2 330.00 0.0 85.63
Inlet Thalweg 2 330.00 0.0 85.63
U/S Thalweg 1 331.00 1.0 85.11
U/S Thalweg 2 331.00 1.0 88.75
U/S Thalweg 2 335.00 5.0 88.69
U/S Water Surface Elev 1 335.00 5.0 87.75
U/S OHW elevation 1 335.00 5.0 87.94
U/S Thalweg 1 335.00 5.0 85.59
U/S Thalweg 1 349.20 19.2 86.79
U/S Thalweg 2 349.20 19.2 86.79
U/S Thalweg 415.00 85.0 87.29
U/S Water Surface Elev 415.00 85.0 88.38
U/S Headwater 415.00 85.0 88.96
U/S Headwater 512.00 182.0 89.50
U/S Water Surface Elev 512.00 182.0 88.88
U/S Thalweg 512.00 182.0 88.04

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): 2.0
 
Gear Type: Minnow Trap (B) Trap Duration(h): 2.25

Fish Observations

Species: juvenile Dolly Varden Life History: Resident
Total Fish Observed: 31 Fish Measured: 15 Fork Lengths (mm) Min: 82 Max: 122 Mean: 101
Collected/Observed by Gear Type: Downstream Minnow Trap (21)  Upstream Minnow Trap (10)  
 
Species: juvenile Chinook salmon Life History: Anadromous
Total Fish Observed: 2 Fish Measured: 1 Fork Lengths (mm) Min: 93 Max: 93 Mean: 93
Collected/Observed by Gear Type: Upstream Minnow Trap (2)  
Comments: observed > 15 adult chinnook spawning/ holding in outlet pool - none seen upstream
 
Species: juvenile coho salmon Life History: Anadromous
Total Fish Observed: 4 Fish Measured: 2 Fork Lengths (mm) Min: 71 Max: 72 Mean: 71
Collected/Observed by Gear Type: Downstream Minnow Trap (4)  
 
Species: juvenile rainbow trout Life History: Resident
Total Fish Observed: 12 Fish Measured: 6 Fork Lengths (mm) Min: 88 Max: 124 Mean: 101
Collected/Observed by Gear Type: Downstream Minnow Trap (10)  Upstream Minnow Trap (2)  
 
Species: juvenile sculpin-unspecified Life History: Resident
Total Fish Observed: 2 Fish Measured: 1 Fork Lengths (mm) Min: 102 Max: 102 Mean: 102
Collected/Observed by Gear Type: Downstream Minnow Trap (2)  

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