Fish Passage Site 10103593

Coordinates (dec. deg.): 55.73513°, -132.96695°
Legal Description: C071S081E03
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: Near Milepost 22

Survey Date: Jul 12, 2017

Survey SEA17-NPW27

Observers: Elizabeth Flory, Kelly Petty

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Comments: Upstream gravel riffles, not too steep, a few small pools, not much woody debris, some steps further up. Downstream low gradient riffle, not much woody debris. Some open canopy and meadow further down. Sign of beaver cutting trees downstream.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Gray
 
Length(ft): 105.0
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5): 3
Approach Angle: 3.0
Sedimentation At Inlet: Yes
Inlet Substrate: Gravel
Outlet Substrate: Gravel
InletOutlet
Width(ft):6.8 6.75
Height(ft):6.6 6.6
Apron Length(ft):
Water Depth(ft): 0.25
Rustline Height(ft):1.25
Substrate Depth(ft):0.2 0.15
Backwatered?: No
Baffles Present: Yes
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 1.81
Culvert Gradient: 5.91%
Max Slope:
Max Slope Length:
 

Comments: Rusty pipe. Top of culvert length 80'. Baffles present.

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:GravelGravel
Subdominant:
Stream Slope(deg.):10.72
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 30.0 3.80
Downstream ordinary high water 40.0 4.25
Downstream ordinary high water 60.0 5.00
Upstream ordinary high water 30.0 4.25
Upstream ordinary high water 50.0 3.60
Upstream ordinary high water 70.0 3.50

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 104.68
D/S Grade Ctrl (Thalweg) 0.00 87.39
D/S Water Surface Elev 0.00 87.50
Max Pool Depth 5.00 86.33
D/S Water Surface Elev 5.00 86.84
D/S Tailcrest or 1st Thalweg 9.00 88.07
D/S Water Surface Elev 9.00 88.23
D/S Water Surface Elev 16.00 88.32
Max Pool Depth 16.00 87.72
Outlet Invert (estimated end of mitre) 24.00 88.55
D/S Water Surface Elev 24.00 88.80
Outlet Culvert Top 37.00 95.27
Inlet Culvert Top 117.00 100.00
Inlet Culvert Invert (estimated end of mitre) 129.00 93.88
U/S Water Surface Elev 129.00 94.13
U/S Grade Ctrl (Thalweg) 136.00 94.98
U/S Water Surface Elev 136.00 95.24
U/S Grade Ctrl (Thalweg) 183.00 100.04
U/S Water Surface Elev 183.00 100.28

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): 1.3
Comments: 20ft upstream, no fish
 
Gear Type: Minnow Trap (B) Trap Duration(h): 1.2
Comments: 20ft downstream, no fish

Fish Observations

No fish observations occurred during this survey.

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