Fish Passage Site 20601528

Coordinates (dec. deg.): 61.06512°, -151.14238°
Legal Description: S011N011W12
Region: South Central
Road Name:

Datum: NAD83
Quad Name / ITM: Tyonek A-4
AWC Stream #: 247-20-10020
Stream Name: Indian 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 TYCS1-TY002

Observers: Cecil Rich, Michael Anderson, Joe Buckwalter

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Comments: Datum = WGS84.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated Metal) Fish Passage Rating:
 
Length(ft): 90.9
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: None
Outlet Substrate: Gravel
InletOutlet
Width(ft):4.0 3.9
Height(ft):4.14 3.9
Apron Length(ft):
Water Depth(ft):0.36 0.42
Rustline Height(ft):
Substrate Depth(ft):0.0 0.63
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: -0.08
Outfall Type:
Constriction Ratio: 0.44
Culvert Gradient: 1.62%
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): 90.9
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: None
Outlet Substrate: Gravel
InletOutlet
Width(ft):4.2 3.9
Height(ft):4.02 3.9
Apron Length(ft):
Water Depth(ft):0.6 0.96
Rustline Height(ft):
Substrate Depth(ft):0.0 0.13
Backwatered?:
Baffles Present: No
Embedded?: No
Outfall Height: -0.08
Outfall Type:
Constriction Ratio: 0.44
Culvert Gradient: 1.69%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. None of this type

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 9.0 18.20
Downstream ordinary high water 50.0 9.40
Downstream ordinary high water 113.0 5.00
Upstream ordinary high water 5.0 9.10
Upstream ordinary high water 50.0 17.30
Upstream ordinary high water 94.5 19.70

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
D/S Thalweg 0.00 113.0 85.10
D/S Water Surface Elev 0.00 113.0 85.69
D/S OHW Elev 0.00 113.0 86.21
D/S Water Surface Elev 63.00 50.0 86.12
D/S Thalweg 63.00 50.0 85.60
D/S OHW Elev 63.00 50.0 86.98
D/S Tailcrest or 1st Thalweg 104.00 9.0 86.87
OHW Left Bank 108.00 5.0 87.35
OHW Left Bank 109.25 3.75 88.54
Max Pool Depth 1 109.50 3.5 86.87
D/S Thalweg 112.00 1.0 86.60
Max Pool Depth 2 112.00 1.0 86.60
Outlet Invert 2 113.00 0.0 86.31
Outlet Thalweg 2 113.00 0.0 86.44
Outlet Invert 1 113.00 0.0 86.45
Outlet Thalweg 1 113.00 0.0 87.08
Outlet Rustline Height 1 113.00 0.0 88.06
Outlet Rustline Height 2 113.00 0.0 88.25
Outlet Culvert Top 2 113.00 0.0 90.21
Outlet Culvert Top 1 113.00 0.0 90.35
Road Elev 158.00 95.42
Road Elev 158.00 95.65
Inlet Culvert Top 2 203.00 0.0 91.87
Inlet Culvert Top 1 203.00 0.0 92.06
Inlet Rustline Height 2 203.00 0.0 88.87
Inlet Rustline Height 1 203.00 0.0 89.06
Inlet Culvert Invert 2 203.00 0.0 87.85
Inlet Thalweg 2 203.00 0.0 87.85
Inlet Culvert Invert 1 203.00 0.0 87.92
Inlet Thalweg 1 203.00 0.0 87.92
U/S Thalweg 1 204.00 1.0 88.02
U/S Thalweg 2 204.00 1.0 88.12
U/S Thalweg 2 208.00 5.0 88.34
U/S Thalweg 1 208.00 5.0 88.37
U/S OHW elevation 1 208.00 5.0 89.17
U/S Water Surface Elev 1 208.00 5.0 88.79
U/S Thalweg 1 213.00 10.0 88.42
U/S Thalweg 253.00 50.0 88.94
U/S Water Surface Elev 253.00 50.0 89.37
U/S Headwater 253.00 50.0 89.63
U/S Headwater 297.50 94.5 90.82
U/S Water Surface Elev 297.50 94.5 90.29
U/S Thalweg 297.50 94.5 89.57

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, 1/4 in. Mesh (A) Trap Duration(h): 0
 
Gear Type: Minnow Trap, 1/4 in. Mesh (B) Trap Duration(h): 1
 
Gear Type: Visual Observation, Ground (D) Trap Duration(h): 1

Fish Observations

Species: threespine stickleback Life History: Resident
Total Fish Observed: 3 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Minnow Trap, 1/4 in. Mesh (3)  
 
Species: juvenile coho salmon Life History: Anadromous
Total Fish Observed: 69 Fish Measured: 20 Fork Lengths (mm) Min: 47 Max: 112 Mean: 75
Collected/Observed by Gear Type: Downstream Minnow Trap, 1/4 in. Mesh (22)  Upstream Minnow Trap, 1/4 in. Mesh (47)  
 
Species: rainbow trout Life History: Unknown
Total Fish Observed: 1 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Visual Observation, Ground (1)  

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