Fish Passage Site 10302202

Coordinates (dec. deg.): 58.37468°, -134.62169°
Legal Description: C040S065E26
Region: Southeast
Road Name: Emmanuel Baptist Church

Datum: NAD83
Quad Name / ITM: Juneau B-2
AWC Stream #:
Stream Name: Casa Del Sol tributary

Elevation:

Site Comments: Ditch drain trib to Casa Del Sol. Smooth bore plastic. Junenile Coho visually obsereved down and up stream. 46' US of EBC02. Driveway adjacent Emmanual Baptist Church off Glacier Hwy near GLH19. Heavy foliage upstream.

Survey Date: Jul 20, 2011

Survey SEA11-EBC01

Project Supervisor: Gillian O'Doherty, Alaska Department of Fish and Game — Anchorage, AK
Observers: Jason Olds, Charmagne Gutierrez

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Outfall height red
  2. Culvert gradient red

Comments: None

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated plastic) Fish Passage Rating: Red
 
Length(ft): 33.6
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.0
Corrugation Width(in.): 0.0
Condition Rating(1-5): 4
Approach Angle: 35.0
Sedimentation At Inlet: Yes
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):1.5 1.5
Height(ft):1.5 1.5
Apron Length(ft):
Water Depth(ft): 0.08
Rustline Height(ft):
Substrate Depth(ft):0.0 0.0
Backwatered?: No
Baffles Present: No
Embedded?: No
Embedded Depth(ft): 0.0
Outfall Height: 1.44
Outfall Type: Free Fall In To Pool
Constriction Ratio:
Culvert Gradient: 5.03%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Outfall height red
  2. Culvert gradient red

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelGravel
Subdominant:SandSand
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)
Road Elev 103.95
D/S Tailcrest or 1st Thalweg 0.00 98.74
D/S Water Surface Elev 0.00 99.30
Outlet Pool Water Elev 11.00 99.38
Max Pool Depth 11.00 98.59
Outlet Invert (Invert out, on pipe) 13.00 100.74
D/S Water Surface Elev (Invert out) 13.00 100.82
Outlet Culvert Top (Invert out, on pipe) 13.00 102.32
Inlet Culvert Invert (Invert in, on pipe) 46.60 102.43
Inlet Culvert Top (Invert in) 46.60 104.04
U/S Headwater (1st resting) 46.60 102.51
U/S Water Surface Elev 49.50 102.51
U/S Grade Ctrl (Thalweg) 49.50 102.49

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) Trap Duration(h): 30.0
Channel Type: Main Channel (>50% of water flow)
Comments: Visual observation of juvenile coho upstream and downstream from culvert.

Fish Observations

Species: juvenile coho salmon Life History: Anadromous
Total Fish Observed: 1 Fish Measured: 1 Fork Lengths (mm) Min: 50 Max: 50 Mean: 50
Collected/Observed by Gear Type: Downstream Visual Observation, Ground (1)  

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