Fish Passage Site 10103582

Coordinates (dec. deg.): 55.77264°, -132.99783°
Legal Description: C070S081E28
Region: Southeast
Road Name: North Prince of Wales Road

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

Elevation:

Site Comments: None

Survey Date: Jun 21, 2017

Survey SEA17-NPW16

Observers: Elizabeth Flory, Kelly Petty

Overall Fish Passage Rating: Gray

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Comments: Steel pipe with baffles. Bedrock control upstream and downstream. 2ft high boulder step just downstream from outlet. Downstream goes into tall ferns. No fish caught.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Gray
 
Length(ft): 123.0
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.): 2.0
Corrugation Width(in.): 3.3
Condition Rating(1-5): 3
Approach Angle: 0.0
Sedimentation At Inlet: No
Inlet Substrate: Cobble
Outlet Substrate: Cobble
InletOutlet
Width(ft):8.5 8.5
Height(ft):7.0 7.6
Apron Length(ft):
Water Depth(ft):
Rustline Height(ft):1.0
Substrate Depth(ft):
Backwatered?: No
Baffles Present: Yes
Embedded?: No
Outfall Height: 0.0
Outfall Type: At Stream Grade
Constriction Ratio: 1.89
Culvert Gradient: 8.68%
Max Slope:
Max Slope Length:
 

Comments: Unsure on substrate depth at outlet. Stream gradient not measured due to brush but looked similar to pipe gradient. Top of culvert length 113'. Substrate depths at inlet and outlet not measured. Baffles holding sediment.

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:BedrockBedrock
Subdominant:GravelGravel
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 50.0 3.20
Upstream ordinary high water 100.0 4.90
Upstream ordinary high water 150.0 5.50

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 117.02
D/S Grade Ctrl (Thalweg) 0.00 88.84
D/S Water Surface Elev 0.00 88.90
D/S Grade Ctrl (Thalweg) (pool) 14.00 88.98
D/S Water Surface Elev 14.00 89.07
D/S Water Surface Elev 15.00 91.20
D/S Grade Ctrl (Thalweg) 15.00 91.35
Outlet Invert (on substrate) 34.00 92.38
D/S Water Surface Elev 34.00 92.54
Outlet Culvert Top 39.00 100.00
Inlet Culvert Top 152.00 109.81
Inlet Culvert Invert (too brushy upstream to continue survey, on substrate) 157.00 102.83
U/S Water Surface Elev 157.00 103.47

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): 1.8
Comments: no fish
 
Gear Type: Minnow Trap (B) Trap Duration(h): 1.75
Comments: no fish

Fish Observations

No fish observations occurred during this survey.

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