Fish Passage Site 10302203

Coordinates (dec. deg.): 58.37449°, -134.62177°
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. Junenile Coho upstream and downstream near 90 degree approach. Driveway to Emanuel Baptist Church off Glacier Hwy. Additional private drive-EBC01. 100' upstream GLH19 upstream.. 46' mechanically influenced.

Survey Date: Jul 20, 2011

Survey SEA11-ebc02

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

Overall Fish Passage Rating: Green

Tidal: No
Backwatered: Yes

Step Pools: No
Construction Year:


Site Observations:

  1. None of this type

Comments: None

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated plastic) Fish Passage Rating: Green
 
Length(ft): 51.2
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.0
Corrugation Width(in.): 0.0
Condition Rating(1-5): 4
Approach Angle: 75.0
Sedimentation At Inlet: Yes
Inlet Substrate: None
Outlet Substrate: Sand
InletOutlet
Width(ft):2.0 2.0
Height(ft):2.0 1.6
Apron Length(ft):
Water Depth(ft): 0.19
Rustline Height(ft):
Substrate Depth(ft):0.0 0.4
Backwatered?: Yes
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio:
Culvert Gradient: 0.41%
Max Slope:
Max Slope Length:
 

Comments: Smooth Bore Plastic Culvert.

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 98.80
D/S Tailcrest or 1st Thalweg 0.00 96.46
D/S Water Surface Elev 0.00 96.55
Outlet Pool Water Elev 6.00 96.56
Max Pool Depth 6.00 95.92
D/S Water Surface Elev (Invert out) 29.00 96.53
Outlet Thalweg (Invert on, on substrate) 29.00 96.55
Outlet Culvert Top (Invert out, on pipe) 29.00 97.94
Inlet Culvert Top (Invert out, on pipe) 80.20 98.49
U/S Headwater (Invert out, 1st resting) 80.20 96.93
Inlet Thalweg (Invert out, on substrate) 80.20 96.34

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.
 
Gear Type: Visual Observation, Ground (B) Trap Duration(h): 30.0
Channel Type: Main Channel (>50% of water flow)
Comments: Visual observation

Fish Observations

Species: juvenile coho salmon Life History: Anadromous
Total Fish Observed: 2 Fish Measured: 2 Fork Lengths (mm) Min: 50 Max: 50 Mean: 50
Collected/Observed by Gear Type: Downstream Visual Observation, Ground (1)  Upstream Visual Observation, Ground (1)  

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