Fish Passage Site 10103580

Coordinates (dec. deg.): 55.77571°, -133.00189°
Legal Description: C070S081E28
Region: Southeast
Road Name: North Prince of Wales Road

Datum: NAD83
Quad Name / ITM: Craig D-4
AWC Stream #:
Stream Name: Unnamed

Elevation:

Site Comments: Near MP 26

Survey Date: Jun 19, 2017

Survey SEA17-NPW14

Observers: Elizabeth Flory, Kelly Petty

Overall Fish Passage Rating: Red

Tidal: No
Backwatered: No

Step Pools: No
Construction Year:


Site Observations:

  1. Outfall height red
  2. Culvert gradient red

Comments: Small, shallow stream with several 1-2ft high log steps upstream and downstream. Flow goes subsurface about 50ft downstream for about 20ft then resurfaces again. Flows into marshy wetland. No fish caught.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 60.1
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.): 2.75
Corrugation Width(in.): 1.0
Condition Rating(1-5): 3
Approach Angle: 10.0
Sedimentation At Inlet: No
Inlet Substrate: Cobble
Outlet Substrate: None
InletOutlet
Width(ft):2.4 2.2
Height(ft):2.0 2.1
Apron Length(ft):
Water Depth(ft): 0.05
Rustline Height(ft):1.5
Substrate Depth(ft):0.4
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 1.42
Outfall Type: Free Fall In To Pool
Constriction Ratio: 0.82
Culvert Gradient: 2.42%
Max Slope:
Max Slope Length:
 

Comments: Too brushy for upstream gradient survey but gets steeper upstream to an estimated 8-9%. Top of culvert length 56.1'.
  Culvert Observations:
  1. Outfall height red
  2. Culvert gradient red

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:CobbleCobble
Subdominant:GravelGravel
Stream Slope(deg.):
Stream Flow Stage:Low
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Upstream ordinary high water 40.0 4.20
Upstream ordinary high water 75.0 3.40
Upstream ordinary high water 120.0 1.20

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 106.07
D/S Grade Ctrl (Thalweg) 0.00 95.45
D/S Water Surface Elev 0.00 95.64
D/S Tailcrest or 1st Thalweg (gravel) 9.00 96.03
D/S Water Surface Elev 9.00 95.13
D/S Water Surface Elev 14.00 96.60
Max Pool Depth 14.00 95.96
Outlet Invert (on pipe) 21.00 97.97
D/S Water Surface Elev 21.00 98.02
Outlet Culvert Top 23.00 100.01
Inlet Culvert Top 79.10 101.37
U/S Water Surface Elev 82.10 99.52
Inlet Culvert Invert 82.10 99.54
U/S Grade Ctrl (Thalweg) (gravel) 96.10 100.61
U/S Water Surface Elev 96.10 100.79
U/S Grade Ctrl (Thalweg) 104.10 101.47
U/S Water Surface Elev 104.10 101.64

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): 0.8
Comments: no fish
 
Gear Type: Minnow Trap (B) Trap Duration(h): 0.8
Comments: no fish

Fish Observations

No fish observations occurred during this survey.

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