Fish Passage Site 20300999

Coordinates (dec. deg.): 60.48787°, -149.78568°
Legal Description: S005N003W27
Region: South Central
Road Name: Snug Harbor Road

Datum: NAD83
Quad Name / ITM: Seward B-8
AWC Stream #:
Stream Name: Shackleford Creek

Elevation:

Site Comments: Very steep stream. According to adjacent landowner of 20 yrs. stream does not flow in winter.

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-NK044

Observers: Cecil Rich, James Maple

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: Very steep stream. Most of flow through right culvert. Substrate in left culvert but has an inlet control drop. According to adjacent landowner of 20 yrs. stream does not flow in winter.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 52.0
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: Boulder
Outlet Substrate: Cobble
InletOutlet
Width(ft):4.8 4.8
Height(ft):5.1 5.1
Apron Length(ft):
Water Depth(ft):2.0 1.1
Rustline Height(ft):
Substrate Depth(ft):4.5 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 3.38
Outfall Type:
Constriction Ratio: 0.71
Culvert Gradient: 4.02%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type
ID: 2 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 51.0
Inlet Type: Projecting
Outlet Type:
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5):
Approach Angle:
Sedimentation At Inlet:
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):5.1 5.1
Height(ft):5.1 5.27
Apron Length(ft):
Water Depth(ft):8.0 4.0
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: 3.38
Outfall Type:
Constriction Ratio: 0.71
Culvert Gradient: 3.27%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:CobbleGravel
Subdominant:BoulderBoulder
Stream Slope(deg.):
Stream Flow Stage:
Stream Width Type Distance From
Crossing (ft)
Stream
Width (ft)
Downstream ordinary high water 16.0 17.00
Downstream ordinary high water 47.0 11.50
Downstream ordinary high water 99.0 10.00
Upstream ordinary high water 5.0 21.00
Upstream ordinary high water 50.0 13.50
Upstream ordinary high water 94.0 14.20

Elevations

Locator ID Culvert
Number
River
Distance (ft)1
Distance From
Crossing (ft)2
Relative
Elevation (ft)
D/S Thalweg 0.00 99.0 88.71
D/S Water Surface Elev 0.00 99.0 89.71
D/S OHW Elev 0.00 99.0 90.17
D/S Thalweg 52.00 47.0 92.85
D/S OHW Elev 52.00 47.0 94.42
D/S Water Surface Elev 52.00 47.0 93.62
D/S Tailcrest or 1st Thalweg 84.00 15.0 93.92
D/S Water Surface Elev 84.00 15.0 95.12
OHW Left Bank 84.00 15.0 96.22
OHW Left Bank 94.00 5.0 96.08
Max Pool Depth 94.00 5.0 93.42
D/S Thalweg 94.00 5.0 93.42
OHW Left Bank 94.00 5.0 95.08
Outlet Culvert Top 1 99.00 0.0 99.67
Outlet Culvert Top 2 99.00 0.0 99.73
Outlet Invert 2 99.00 0.0 94.46
Outlet Thalweg 2 99.00 0.0 94.46
Outlet Invert 1 99.00 0.0 94.58
Outlet Thalweg 1 99.00 0.0 94.87
Outlet Rustline Height 1 99.00 0.0 95.52
Outlet Rustline Height 2 99.00 0.0 95.69
Road Elev 124.50 103.58
Road Elev 124.50 104.31
Inlet Culvert Top 1 150.00 0.0 101.42
Inlet Culvert Top 2 150.00 0.0 101.58
Inlet Culvert Invert 2 150.00 0.0 96.13
Inlet Thalweg 2 150.00 0.0 96.19
Inlet Culvert Invert 1 150.00 0.0 96.67
Inlet Thalweg 1 150.00 0.0 97.04
Inlet Rustline Height 2 150.00 0.0 97.58
Inlet Rustline Height 1 150.00 0.0 97.71
U/S Thalweg 1 151.00 1.0 97.56
U/S Thalweg 2 151.00 1.0 96.67
U/S Thalweg 2 155.00 5.0 97.15
U/S Thalweg 1 155.00 5.0 98.13
U/S Water Surface Elev 1 155.00 5.0 98.33
U/S Water Surface Elev 2 155.00 5.0 98.54
U/S OHW elevation 1 155.00 5.0 98.75
U/S OHW elevation 2 155.00 5.0 99.02
U/S Thalweg 1 159.90 9.9 98.40
U/S Thalweg 2 160.20 10.2 97.75
U/S Thalweg 200.00 50.0 99.79
U/S Water Surface Elev 200.00 50.0 100.79
U/S Headwater 200.00 50.0 102.58
U/S Thalweg 244.00 94.0 101.90
U/S Headwater 244.00 94.0 97.62

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): 2.3
 
Gear Type: Minnow Trap (B) Trap Duration(h): 2.45

Fish Observations

Species: juvenile Dolly Varden Life History: Resident
Total Fish Observed: 2 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Minnow Trap (2)  
Comments: adult dolly varden observed but not captured
 
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)  

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