Fish Passage Site 10302253

Coordinates (dec. deg.): 58.41994°, -135.75589°
Legal Description: C040S058E12
Region: Southeast
Road Name: Mountain View Road

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

Elevation:

Site Comments: Driveway off of Mountain View Road.

Survey Date: Aug 10, 2011

Survey SEA11-MTV04

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. Constriction ratio gray

Comments: No traps set as stream is already in the AWC. Continuous glide upstream and downstream of culvert.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Green
 
Length(ft): 31.0
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.5
Condition Rating(1-5): 3
Approach Angle: 10.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):3.0 3.0
Height(ft):3.0 3.0
Apron Length(ft):
Water Depth(ft): 0.62
Rustline Height(ft):1.5
Substrate Depth(ft):0.0 0.0
Backwatered?: Yes
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 0.72
Culvert Gradient: -2.77%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Constriction ratio gray
ID: 2 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Green
 
Length(ft): 31.1
Inlet Type: Projecting
Outlet Type: Projecting
Corrugation Depth(in.): 0.5
Corrugation Width(in.): 2.5
Condition Rating(1-5): 3
Approach Angle: 10.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):3.0 3.0
Height(ft):3.0 3.0
Apron Length(ft):
Water Depth(ft): 0.71
Rustline Height(ft):1.5
Substrate Depth(ft):0.0 0.0
Backwatered?: Yes
Baffles Present: No
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 0.72
Culvert Gradient: -1.74%
Max Slope:
Max Slope Length:
  Culvert Observations:
  1. Constriction ratio gray

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:SandSand
Subdominant:OrganicOrganic
Stream Slope(deg.):0.06
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 27.0 4.80
Upstream ordinary high water 52.0 6.60
Upstream ordinary high water 77.0 6.20

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 96.73
D/S Tailcrest or 1st Thalweg 0.00 90.95
D/S Water Surface Elev 0.00 91.89
Outlet Pool Water Elev 52.00 91.91
Max Pool Depth 52.00 89.09
Misc. (c2, substrate below pipe) 2 62.00 90.67
Misc. (c1, substrate below pipe) 1 62.00 91.11
Outlet Invert (c2) 2 62.00 91.21
Outlet Invert (c1) 1 62.00 91.29
D/S Water Surface Elev (c1) 1 62.00 91.91
D/S Water Surface Elev (c2) 2 62.00 91.92
U/S Headwater (c1) 1 93.00 91.92
Inlet Culvert Invert (c1) 1 93.00 90.43
Misc. (c1, substrate perched above pipe) 1 93.00 90.76
Misc. (c2, substrate below pipe) 2 93.10 90.48
Inlet Culvert Invert (c2) 2 93.10 90.67
U/S Headwater (c2) 2 93.10 91.92
U/S Water Surface Elev (Stream gradient start) 153.00 91.99
U/S Grade Ctrl (Thalweg) 153.00 91.12
U/S Water Surface Elev (Stream gradient end) 293.00 92.08

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): 0.25
Channel Type: Main Channel (>50% of water flow)
Comments: Visual observation
 
Gear Type: Visual Observation, Ground (B) Trap Duration(h): 0.25
Channel Type: Main Channel (>50% of water flow)
Comments: Visual observation

Fish Observations

Species: juvenile salmonid-unspecified Life History: Unknown
Total Fish Observed: 2 Fish Measured: 2 Fork Lengths (mm) Min: 80 Max: 80 Mean: 80
Collected/Observed by Gear Type: Downstream Visual Observation, Ground (1)  Upstream Visual Observation, Ground (1)  

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