Fish Passage Site 10103609

Coordinates (dec. deg.): 55.69728°, -132.89005°
Legal Description: C071S082E19
Region: Southeast
Road Name: North Prince of Wales Road

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

Elevation:

Site Comments: None

Survey Date: Jul 24, 2017

Survey SEA17-NPW43

Observers: Elizabeth Flory, Kelly Petty

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Comments: Downstream has lots of gravel, big large woody debris steps and shallow pools, shallow riffle. Upstream is clearcut, has series of cascades step pools. 1 dolly observed upstream, but no fih caught.

Culvert Measurements

ID: 1 Structure Type: Pipe-arch (Corrugated steel) Fish Passage Rating: Gray
 
Length(ft): 77.0
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.): 2.0
Corrugation Width(in.): 4.0
Condition Rating(1-5): 4
Approach Angle: 10.0
Sedimentation At Inlet: Yes
Inlet Substrate: Cobble
Outlet Substrate: Gravel
InletOutlet
Width(ft):7.0 7.6
Height(ft):5.95 5.28
Apron Length(ft):
Water Depth(ft): 0.35
Rustline Height(ft):
Substrate Depth(ft):
Backwatered?: No
Baffles Present: Yes
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 3.18
Culvert Gradient: 9.77%
Max Slope:
Max Slope Length:
 

Comments: Top of culvert length is 57'. Substrate depth not measured at inlet and outlet.

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:CobbleGravel
Subdominant:BoulderCobble
Stream Slope(deg.):9.62
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 30.0 1.90
Upstream ordinary high water 50.0 2.20
Upstream ordinary high water 70.0 2.50

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 107.65
D/S Grade Ctrl (Thalweg) 0.00 94.41
D/S Water Surface Elev 0.00 94.56
D/S Thalweg 12.00 94.78
D/S Water Surface Elev 12.00 94.86
D/S Water Surface Elev 17.00 94.87
D/S Thalweg 17.00 94.63
Outlet Invert (on substrate) 24.00 94.72
D/S Water Surface Elev 24.00 95.07
Outlet Culvert Top 33.00 100.00
Inlet Culvert Top 90.00 105.57
U/S Water Surface Elev 101.00 100.02
Inlet Culvert Invert 101.00 99.62
U/S Grade Ctrl (Thalweg) 105.00 100.31
U/S Water Surface Elev 105.00 100.42
U/S Grade Ctrl (Thalweg) 123.00 102.30
U/S Water Surface Elev 123.00 102.57
U/S Grade Ctrl (Thalweg) 143.00 103.66
U/S Water Surface Elev 143.00 104.30
U/S Grade Ctrl (Thalweg) 155.00 105.07
U/S Water Surface Elev 155.00 105.23

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: no fish
 
Gear Type: Minnow Trap (B) Trap Duration(h): 1.0
Comments: no fish
 
Gear Type: Visual Observation, Ground (C)
Comments: Observed a fish upstream likely Dolly Varden

Fish Observations

No fish observations occurred during this survey.

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