Fish Passage Site 10103578

Coordinates (dec. deg.): 55.79714°, -133.03268°
Legal Description: C070S081E17
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 MP27

Survey Date: Jun 15, 2017

Survey SEA17-NPW12

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
  2. Outfall height red

Comments: Narrow steep, shallow cascades upstream, shallow meanders through marsh downstream. Pipe perched on riprap.

Culvert Measurements

ID: 1 Structure Type: Circular pipe (Corrugated steel) Fish Passage Rating: Red
 
Length(ft): 72.8
Inlet Type: Mitered
Outlet Type: Mitered
Corrugation Depth(in.): 1.0
Corrugation Width(in.): 3.0
Condition Rating(1-5): 3
Approach Angle: 2.0
Sedimentation At Inlet: Yes
Inlet Substrate: Gravel
Outlet Substrate: Organic
InletOutlet
Width(ft):2.5 3.0
Height(ft):2.0 2.0
Apron Length(ft):
Water Depth(ft): 0.31
Rustline Height(ft):0.5
Substrate Depth(ft):
Backwatered?: No
Baffles Present: No
Embedded?: No
Outfall Height: 6.97
Outfall Type: Free Fall on To Rip Rap
Constriction Ratio: 1.84
Culvert Gradient: 2.09%
Max Slope:
Max Slope Length:
 

Comments: Outfall height to base of riprap. Top of culvert length 65.8'.
  Culvert Observations:
  1. Culvert gradient red
  2. Outfall height red

Stream Measurements

Stream SubstratesUpstreamDownstream
Dominant:CobbleSilt/Clay
Subdominant:Silt/ClayOrganic
Stream Slope(deg.):
Stream Flow Stage:Medium
Stream Width Type Distance From
Crossing (ft)		 Stream
Width (ft)
Downstream ordinary high water 50.0 4.10
Downstream ordinary high water 100.0 3.60
Downstream ordinary high water 150.0 2.00
Upstream ordinary high water 90.0 1.60
Upstream ordinary high water 100.0 2.50
Upstream ordinary high water 120.0 1.75

Elevations

Locator ID Culvert
Number		 River
Distance (ft)1		 Distance From
Crossing (ft)2		 Relative
Elevation (ft)
Road Elev 106.70
D/S Grade Ctrl (Thalweg) (log steps) 0.00 86.95
D/S Water Surface Elev 0.00 87.32
D/S Grade Ctrl (Thalweg) 18.00 88.14
D/S Water Surface Elev 18.00 88.43
D/S Grade Ctrl (Thalweg) 27.00 89.64
D/S Water Surface Elev 27.00 89.79
D/S Grade Ctrl (Thalweg) (base of riprap) 37.00 90.64
D/S Water Surface Elev 37.00 90.95
D/S Grade Ctrl (Thalweg) 55.00 97.30
D/S Water Surface Elev 55.00 97.76
Outlet Invert (on pipe) 56.00 97.84
D/S Water Surface Elev 56.00 97.92
Outlet Culvert Top 59.00 100.00
Inlet Culvert Top 124.80 101.30
Inlet Culvert Invert (on pipe) 128.80 99.36
U/S Water Surface Elev 128.80 99.50
U/S Grade Ctrl (Thalweg) (log step) 138.80 100.27
U/S Water Surface Elev 138.80 101.26
U/S Grade Ctrl (Thalweg) 146.80 100.31
U/S Water Surface Elev 146.80 101.54

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): 1.25
Comments: no fish
 
Gear Type: Minnow Trap (B) Trap Duration(h): 1.25
Comments: no fish

Fish Observations

No fish observations occurred during this survey.

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