Fish Passage Site 20501461

Coordinates (dec. deg.): 62.00057°, -149.95615°
Legal Description: S022N004W14
Region: South Central
Road Name: Caswell Lakes Road

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

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 PRK09-CLR01

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

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Culvert gradient red
  2. Outfall height red
  3. Beaver Activity
  4. Shallow fill; inadequate roadfill volume above culvert

Comments: Visual observation of a trout,~ 5cm in length, u/s, loon u/s. **Updated site photos added from 8/24/16 site visit from Sampling Unmapped Streams in the MSB project. Fish sampling information entered into AFFI.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 40.0
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 3
Approach Angle: 50.0
Sedimentation At Inlet: Yes
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):3.0 3.0
Height(ft):2.75 3.0
Apron Length(ft):
Water Depth(ft): 0.0
Rustline Height(ft):0.6
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 1.43
Outfall Type: Free Fall In To Pool
Constriction Ratio:
Culvert Gradient: 0.95%
Max Slope:
Max Slope Length:
 

Comments: pipe 1 is dry; pipe 1 OH is InvOUT - TWS;
  Culvert Observations:
  1. Culvert gradient gray
  2. Outfall height red
  3. Beaver Activity
  4. Shallow fill; inadequate roadfill volume above culvert
ID: 2 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 40.0
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 3
Approach Angle: 50.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):2.95 3.0
Height(ft):3.0 3.0
Apron Length(ft):
Water Depth(ft): 0.41
Rustline Height(ft):1.7
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.84
Outfall Type: Free Fall In To Pool
Constriction Ratio:
Culvert Gradient: 0.78%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Outfall height red
  2. Culvert gradient gray
  3. Beaver Activity
  4. Shallow fill; inadequate roadfill volume above culvert
ID: 3 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 40.0
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.67
Condition Rating(1-5): 3
Approach Angle: 17.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):4.0 4.0
Height(ft):4.0 4.0
Apron Length(ft):
Water Depth(ft): 0.53
Rustline Height(ft):1.0
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:
Culvert Gradient: 4.25%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Culvert gradient red
  2. Beaver Activity
  3. Shallow fill; inadequate roadfill volume above culvert

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelGravel
Subdominant:SandCobble
Stream Slope(deg.):
Stream Flow Stage:Medium

No stream width data available.

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Outlet Pool Water Elev 3 94.95
Outlet Pool Water Elev (wd = 1.45 @ pro #1) 1 95.51
Outlet Pool Water Elev (ws outlet pool) 2 95.51
U/S Headwater 3 96.93
U/S Headwater 1 97.16
U/S Headwater 2 97.16
D/S Water Surface Elev (ws @ TWC) 0.00 17.0 95.00
D/S Tailcrest or 1st Thalweg 0.00 17.0 93.43
D/S Tailcrest or 1st Thalweg 2 9.00 8.0 95.21
D/S Thalweg 3 9.70 7.3 92.59
D/S Water Surface Elev (ws @ GP) 3 10.00 7.0 97.13
D/S Tailcrest or 1st Thalweg 1 11.50 5.5 95.32
D/S Thalweg 2 13.50 3.5 93.77
D/S Thalweg 1 14.00 3.0 94.06
Outlet Invert 3 17.00 0.0 94.42
Outlet Invert 1 17.00 0.0 96.94
Outlet Invert 2 17.00 0.0 95.94
Road Elev 37.00 101.13
Inlet Culvert Invert 1 57.00 0.0 97.32
Inlet Culvert Invert 3 57.00 0.0 96.12
Inlet Culvert Invert 2 57.00 0.0 96.25
U/S Grade Ctrl (Thalweg) (0.68 = wd @GP) 2 58.40 1.4 96.48
U/S Thalweg 1 59.10 2.1 96.87
U/S Grade Ctrl (Thalweg) (on mud) 1 61.20 4.2 96.97
U/S Grade Ctrl (Thalweg) 3 64.00 7.0 96.23

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: Visual Observation, Ground (A)
Comments: Observed unidentified trout upstream, approx 50mm in length.
 
Gear Type: Smith-Root LR-24 (B)
Comments: Site Sampled 8/24/16.
 
Gear Type: Smith-Root LR-24 (C)
Comments: Site sampled 8/24/16.

Fish Observations

Species: juvenile coho salmon Life History: Anadromous
Total Fish Observed: 4 Fish Measured: 4 Fork Lengths (mm) Min: 61 Max: 68 Mean: 64
Collected/Observed by Gear Type: Downstream Smith-Root LR-24 (3)  Upstream Smith-Root LR-24 (1)  
 
Species: juvenile/adult rainbow trout Life History: Unknown
Total Fish Observed: 4 Fish Measured: 4 Fork Lengths (mm) Min: 67 Max: 89 Mean: 78
Collected/Observed by Gear Type: Upstream Smith-Root LR-24 (4)  
 
Species: juvenile/adult lamprey-unspecified Life History: Unknown
Total Fish Observed: 1 Fish Measured: 1 Fork Lengths (mm) Min: 135 Max: 135 Mean: 135
Collected/Observed by Gear Type: Downstream Smith-Root LR-24 (1)  
 
Species: juvenile/adult threespine stickleback Life History: Resident
Total Fish Observed: 2 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Upstream Smith-Root LR-24 (2)  

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