Fish Passage Site 20501514

Coordinates (dec. deg.): 62.01782°, -149.94847°
Legal Description: S022N004W11
Region: South Central
Road Name: Shaman Road

Datum: WGS84
Quad Name / ITM: Talkeetna Mts A-6
AWC Stream #: 247-41-10200-2190-3020
Stream Name: Caswell Creek

Elevation:

Site Comments: Water in this creek flows all 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 PRK09-SHA01

Project Supervisor: Gillian O'Doherty, ADFG
Observers: Heidi Zimmer, Ben Histand

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools:
Construction Year:


Site Observations:

  1. Constriction ratio red
  2. Culvert gradient red

Comments: **Updated Site photos fish sampling information added from site visit on 8/24/16 from Sampling Unmapped Streams in the MSB project.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 46.1
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 3
Approach Angle: 4.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):3.0 3.0
Height(ft):2.9 2.9
Apron Length(ft):
Water Depth(ft): 1.26
Rustline Height(ft):1.7
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 0.39
Culvert Gradient: 1.48%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Constriction ratio red
  2. Culvert gradient red
ID: 2 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 45.9
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 3
Approach Angle: 4.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):3.0 2.8
Height(ft):2.8 2.9
Apron Length(ft):
Water Depth(ft): 1.35
Rustline Height(ft):2.0
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 0.39
Culvert Gradient: 1.18%
Max Slope:
Max Slope Length:
 

Comments: no outlet perches
  Culvert Observations:
  1. Constriction ratio red
  2. Culvert gradient red

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelCobble
Subdominant:SandCobble
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 65.0 11.20
Upstream ordinary high water 95.0 10.50
Upstream ordinary high water 160.0 9.50

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Outlet Pool Water Elev 1 97.53
Outlet Pool Water Elev 2 97.65
U/S Headwater 1 98.11
U/S Headwater 2 98.11
D/S Water Surface Elev (ws at GP) 0.00 27.0 99.46
D/S Water Surface Elev (ws at GP) 6.00 21.0 97.03
D/S Grade Ctrl (Thalweg) 6.00 21.0 96.34
D/S Tailcrest or 1st Thalweg (TWC for main flow) 1 21.50 5.5 96.82
D/S Water Surface Elev (ws at TWC) 1 21.50 5.5 97.52
D/S Thalweg (bottom of out pool) 1 24.20 2.8 96.44
D/S Tailcrest or 1st Thalweg 2 25.50 1.5 96.83
Outlet Invert 1 27.00 0.0 96.27
Outlet Invert 2 27.00 0.0 96.30
Road Elev 50.00 104.56
Inlet Culvert Invert 2 73.00 0.0 96.84
Inlet Culvert Invert 1 73.00 0.0 96.95
U/S Thalweg (toe of steep riffle) 76.00 3.0 97.30
U/S Thalweg (top steep riffle) 85.00 12.0 97.97
U/S Grade Ctrl (Thalweg) (1st TC u/s) 100.00 27.0 98.76

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: Smith-Root LR-24 (A)
Comments: Site Sampled 8/24/16.
 
Gear Type: Smith-Root LR-24 (B)
Comments: Site Samples 8/24/16

Fish Observations

Species: juvenile Chinook salmon Life History: Anadromous
Total Fish Observed: 3 Fish Measured: 3 Fork Lengths (mm) Min: 51 Max: 72 Mean: 63
Collected/Observed by Gear Type: Downstream Smith-Root LR-24 (1)  Upstream Smith-Root LR-24 (2)  
 
Species: juvenile/adult rainbow trout Life History: Unknown
Total Fish Observed: 7 Fish Measured: 2 Fork Lengths (mm) Min: 65 Max: 150 Mean: 107
Collected/Observed by Gear Type: Upstream Smith-Root LR-24 (7)  

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