Fish Passage Site 10302262

Coordinates (dec. deg.): 58.42736°, -135.77742°
Legal Description: C040S058E02
Region: Southeast
Road Name: Tong Road

Datum: NAD83
Quad Name / ITM: Juneau B-6
AWC Stream #:
Stream Name: Good River tributary

Elevation:

Site Comments: None

Survey Date: Aug 04, 2011

Survey SEA11-TNR01

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. Constriction ratio gray

Comments: Undercut at Invert IN. Sandy glide stream incising over time. Possibly influenced by glacial rebound. Visual Observation of juvenile salmonids at outfall pool downstream. Most photos missing. ** Site photos subitted by John Hudson USFWS from 4/25/15 site visit.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 51.3
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.33
Corrugation Width(in.): 3.0
Condition Rating(1-5): 3
Approach Angle: 27.0
Sedimentation At Inlet: No
Inlet Substrate:
Outlet Substrate:
InletOutlet
Width(ft):2.0 2.0
Height(ft):2.0 2.0
Apron Length(ft):
Water Depth(ft): 0.17
Rustline Height(ft):1.2
Substrate Depth(ft):
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 0.64
Outfall Type: Free Fall In To Pool
Constriction Ratio: 0.66
Culvert Gradient: 0.39%
Max Slope:
Max Slope Length:
 

Comments: Bend in pipe.
  Culvert Observations:
  1. Outfall height red
  2. Constriction ratio gray

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:Silt/ClaySilt/Clay
Subdominant:Clay (legacy)Clay (legacy)
Stream Slope(deg.):0.15
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 23.0 4.40
Upstream ordinary high water 45.0 3.10
Upstream ordinary high water 89.0 1.40

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 108.84
D/S Grade Ctrl (Thalweg) 0.00 97.20
D/S Water Surface Elev 0.00 97.54
D/S Water Surface Elev 15.00 97.56
D/S Tailcrest or 1st Thalweg 15.00 96.77
Max Pool Depth 18.50 95.77
Outlet Pool Water Elev 18.50 97.56
Outlet Invert 22.00 98.03
D/S Water Surface Elev 22.00 98.20
Outlet Culvert Top 22.00 100.01
Inlet Culvert Top 73.30 100.23
Inlet Culvert Invert 73.30 98.23
U/S Water Surface Elev 73.30 98.60
U/S Headwater 74.00 98.62
Misc. (upstream survey point, on substrate) 74.00 97.61

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 salmonids downstream in outfall pool.
 
Gear Type: (B)

Fish Observations

Species: juvenile salmonid-unspecified Life History: Unknown
Total Fish Observed: 2 Fish Measured: Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Downstream Visual Observation, Ground (2)  

Photos

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