Fish Passage Site 10103544

Coordinates (dec. deg.): 55.62270°, -132.98006°
Legal Description: C072S081E15
Region: Southeast
Road Name: Big Salt Lake Road

Datum: NAD83
Quad Name / ITM: Craig C-3
AWC Stream #:
Stream Name: Unnamed

Elevation:

Site Comments: Near Milepost 8.

Survey Date: Jul 25, 2017

Survey SEA17-BSL28

Observers: Elizabeth Flory, Kelly Petty

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Culvert gradient red

Comments: Downstream parallels road then goes subsurface 400ft from culvert. Upstream seems to go subsurface at 50ft from culvert - disappears under logging slash, ferns and brush.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 76.0
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5): 3
Approach Angle: 10.0
Sedimentation At Inlet: No
Inlet Substrate: None
Outlet Substrate: None
InletOutlet
Width(ft):2.0 2.0
Height(ft):2.0 2.0
Apron Length(ft):
Water Depth(ft): 0.14
Rustline Height(ft):0.1
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: 1.09
Culvert Gradient: 2.37%
Max Slope:
Max Slope Length:
 

Comments: Water depth at outlet invert 0.14, Top of pipe length, 60'.
  Culvert Observations:
  1. Culvert gradient red

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:Silt/ClayGravel
Subdominant:OrganicSilt/Clay
Stream Slope(deg.):1.46
Stream Flow Stage:Low, Continuous Channel
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 30.0 2.25
Downstream ordinary high water 50.0 1.75
Downstream ordinary high water 70.0 1.50

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 100.43
D/S Grade Ctrl (Thalweg) 0.00 92.59
D/S Water Surface Elev 0.00 92.97
D/S Grade Ctrl (Thalweg) 52.00 93.75
D/S Water Surface Elev 52.00 93.97
D/S Water Surface Elev 67.00 93.95
Max Pool Depth 67.00 93.55
Outlet Invert (on pipe) 81.00 93.98
D/S Water Surface Elev 81.00 94.12
Outlet Culvert Top 91.00 96.00
Inlet Culvert Top 151.00 97.42
Inlet Culvert Invert (on pipe) 157.00 95.48
U/S Water Surface Elev 157.00 95.76
U/S Water Surface Elev 160.00 95.78
U/S Grade Ctrl (Thalweg) (first resting) 160.00 95.28
U/S Water Surface Elev 181.00 95.68
U/S Grade Ctrl (Thalweg) 181.00 94.96

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: Minnow Trap (A) Trap Duration(h): 1.0
Comments: 20ft upstream, no fish
 
Gear Type: Minnow Trap (B) Trap Duration(h): 1.0
Comments: 80ft downstream, no fish

Fish Observations

No fish observations occurred during this survey.

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